Largo Medical Center

Largo Medical Center
Medical Office Building
Kaiser Permanente facility
1221 Mercantile Ln
Largo, MD 20774
301-618-5500
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  • Monday through Friday, 8 a.m. to 5 p.m.
  • Saturday and Sunday, Closed

After-hours services: Advanced Urgent Care, Laboratory, Pharmacy, and Radiology

Advanced Urgent Care
Open 24/7

Laboratory
Monday through Friday, 6 a.m. to 9 p.m. 
Saturday, Sunday, and evenings, by appointment for evenings only

Pharmacy
Open 24/7

Radiology
General Radiology – open 24/7 
CT – available 24/7
DEXA – Monday through Friday, 9 a.m. to 4 p.m.
Interventional Radiology – Monday through Friday, 6 a.m. to 7:30 p.m.; closed  holidays
Mammography – Monday through Friday, 8 a.m. to 4:30 p.m., including the weekend
MRI – Monday through Friday, 6 a.m. to 11 p.m.; Saturday and Sunday, 8 a.m. to 10:30 p.m.; holidays, 8 a.m. to 4 p.m. 
Nuclear Medicine PET/CT – 7 a.m. to 5 p.m., closed on weekends and holidays
Ultrasound – Monday through Friday, 8 a.m. to 11:30 p.m.; holidays, 8 a.m. to 4 p.m.

Appointments (Washington DC area)

  • 301-618-5500

Appointments (outside Washington DC area)

  • 1-800-777-7904 (toll free)

Information about closings and delays for this medical center

  • 1-844-549-0597 (toll free)

TTY

  • 711 (TTY for the hearing/speech impaired)

This location offers the following services. Note: The hours for each service may be different from the hours of the facility.

  • Emergency is not available
  • Urgent Care is available
  • After Hours Care is available
  • Pharmacy is available
Map ends

About this facility

Allergy has moved to our new Bowie Fairwood Medical Center.

You can request health information and medical forms by using kp.org. You may also call Health Information Management Services (HIMS) for assistance at 1-800-777-7904, option 2, Monday through Friday, 7 a.m. to 7 p.m.

This medical center has a HIMS department available for in-person visits. See its department listing for hours.

Urgent and after-hours care

Advanced Urgent Care
by urgent care

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

7 days
  • open 24 hours

Phone numbers

Appointments (Washington DC area)
  • 703-359-7616 (TTY for the hearing/speech impaired)
  • 703-359-7878
Appointments (outside Washington DC area)
  • 1-800-700-4901 (toll-free TTY for the hearing/speech impaired)
  • 1-800-777-7904 (toll free)
Department Main Number
  • 301-386-6600
After-hours services
After-hours services: Advanced Urgent care, Laboratory, Pharmacy, Radiology

Advanced Urgent care, Radiology, and Pharmacy hours:
  • 24 hours per day, 7 days per week
Laboratory hours:
  • Monday through Friday 6 a,m. to 9 p.m., and by appointment for evenings and weekends

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions
Show less

Pharmacy services

Pharmacy
Safe medication disposal: This pharmacy does not have a self-service kiosk. Ask a pharmacy employee if you need to dispose of unwanted medications. Learn more about how to properly and safely dispose of unwanted or expired medication .

Members may request prescription refills for local Kaiser Pharmacy pick up or for home delivery via Kaiser mail order pharmacy at kp.org/rxrefill.

Pharmacy Type : Retail

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

Open 24 hours, 7 days a week
  • Open 24 hours

Phone numbers

Fax
  • 301-618-5554
Mail-order Fax
  • 703-466-4901
Mail-order Pharmacy Phone
  • Monday through Friday, 7 a.m. to 6 p.m.
    Saturday, 8:30 a.m. to 4 p.m.
    Sunday, Closed
  • 1-800-733-6345 (toll free)
Pharmacy Phone
  • 301-618-5552
Show less

Departments and specialties

Advanced Urgent Care
by urgent care

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

7 days
  • open 24 hours

Phone numbers

Appointments (Washington DC area)
  • 703-359-7616 (TTY for the hearing/speech impaired)
  • 703-359-7878
Appointments (outside Washington DC area)
  • 1-800-700-4901 (toll-free TTY for the hearing/speech impaired)
  • 1-800-777-7904 (toll free)
Department Main Number
  • 301-386-6600
After-hours services
After-hours services: Advanced Urgent care, Laboratory, Pharmacy, Radiology

Advanced Urgent care, Radiology, and Pharmacy hours:
  • 24 hours per day, 7 days per week
Laboratory hours:
  • Monday through Friday 6 a,m. to 9 p.m., and by appointment for evenings and weekends

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions
Ambulatory Surgery Center

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Thursday, open 24 hours
  • Friday, 6 a.m. to 10 p.m.

Phone numbers

Information
  • 301-618-5500
Audiology
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Information
  • 301-618-5500
Behavioral Health

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-386-6800
Cardiology
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5620
Dermatology
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5610
ENT/Otolaryngology
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5570
Endocrinology
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5515
Endoscopy
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 7 a.m. to 6 p.m.

Phone numbers

Department Main Number
  • 301-618-5609
Gastroenterology
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5936
General Surgery
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-7250
Health Information Management (HIMS)

Location

1221 Mercantile Ln, 1st Floor
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8:30 a.m. to 5 p.m.
  • Saturday and Sunday, Closed

Phone numbers

Department number - Option 2
  • 1-800-777-7904 (toll free)
Fax
  • 1-877-899-4973 (toll free)
Infectious Disease
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5647
Internal Medicine

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Appointments (Washington DC area)
  • 703-359-7878
Appointments (outside Washington DC area)
  • 1-800-777-7904 (toll free)
Department Main Number
  • 1-800-777-7902 (toll free)
Laboratory
Call requesting practitioner for test results or check lab results online at kp.org.

Lab appointments are recommended for all tests and are available for you to schedule via kp.org once your provider has placed the order. Your lab test results will be available to you via kp.org usually within 24-48 hours.

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

Monday through Friday, 6 a.m. to 9 p.m.
Saturday, Sunday and evenings, by appointment only

Phone numbers

Information
  • 301-618-5500
Nephrology

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-386-6825
Neurology

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-386-6850
Newborn Care Center
Available in the Ob/Gyn department every Monday, Wednesday, and Friday during normal business hours and on Sunday from 10 a.m. to 2 p.m.

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Phone numbers

Lactation support line
  • 1-866-264-4766 (toll free)
Obstetrics/Gynecology (OB/GYN)

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Appointments (Washington DC area)
  • 703-359-7878
Appointments (outside Washington DC area)
  • 1-800-777-7904 (toll free)
Department Main Number
  • 1-800-777-7902 (toll free)
Oncology
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5630
Oncology Infusion Center
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5631
Ophthalmology
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5578
Orthopedics
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5595
Pain Management

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-386-6770
Pediatrics

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Appointments (Washington DC area)
  • 703-359-7878
Appointments (outside Washington DC area)
  • 1-800-777-7904 (toll free)
Department Main Number
  • 1-800-777-7902 (toll free)
Peritoneal Dialysis

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-386-6825
Pharmacy
Safe medication disposal: This pharmacy does not have a self-service kiosk. Ask a pharmacy employee if you need to dispose of unwanted medications. Learn more about how to properly and safely dispose of unwanted or expired medication .

Members may request prescription refills for local Kaiser Pharmacy pick up or for home delivery via Kaiser mail order pharmacy at kp.org/rxrefill.

Pharmacy Type : Retail

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

Open 24 hours, 7 days a week
  • Open 24 hours

Phone numbers

Fax
  • 301-618-5554
Mail-order Fax
  • 703-466-4901
Mail-order Pharmacy Phone
  • Monday through Friday, 7 a.m. to 6 p.m.
    Saturday, 8:30 a.m. to 4 p.m.
    Sunday, Closed
  • 1-800-733-6345 (toll free)
Pharmacy Phone
  • 301-618-5552
Podiatry

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-386-6670
PreSurgical Testing

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-386-6785
Pulmonary
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5831
Radiology
Radiology appointments are recommended for all imaging studies including X-Rays, and are available for you to schedule via kp.org once your provider has placed the order. Your radiology results will be made available to you via kp.org as soon as they are read by your radiologist, usually by the end of the next business day.

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

7 days
  • open 24 hours

Phone numbers

Information
  • 301-618-5500
Sleep Medicine

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-7290
Urology
by referral only

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-5633
Vascular Surgery

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Department Main Number
  • 301-618-7252
Vision Essentials Optical Center
Effective June 5, 2022, all Optometry, Optical, and Vision Essentials departments will be open Monday through Friday, 8:30 a.m. 5 p.m.

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8:30 a.m. to 5 p.m.
  • Saturday, 8:30 a.m. to 4:30 p.m.
  • Sunday, Closed

Phone numbers

Department Main Number
  • 1-800-777-7904 (toll free)
Wound Care

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5 p.m.

Phone numbers

Information
  • 301-618-5500
Show less

Services and amenities

Diabetes Education

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions

Hours

  • Monday through Friday, 8 a.m. to 5:30 p.m.

Phone numbers

Appointments (Washington DC area)
  • 703-359-7878
Appointments (outside Washington DC area)
  • 1-800-777-7904
Services

Virtual care
Available 24/7 by video, phone, and email from a Permanente physician.

Visit kp.org/getcare to get started using these services:

  • Care Now – Video or phone visit with a physician for urgent care—no appointment needed.
  • E-visit – Answer some basic questions and get a doctor's response—typically within 2 hours.
  • Chat with a nurse – Chat online with our 24/7 advice nurse or discuss medical records.

Location

1221 Mercantile Ln
Largo, MD 20774
Get directions
Show less

To find:

•       a Kaiser Permanente provider’s office hours, search our facility directory

•       affiliated providers’ office hours, call their offices directly

The information in this online directory is updated periodically. The availability of physicians, hospitals, providers, and services may change.

Medicare Members: To request a hard copy of Kaiser Permanente’s provider directory, please call our Member Services department at 1-888-777-5536, seven days a week, 8 a.m. to 8 p.m. Kaiser Permanente will mail a hard copy of the provider directory to you within three (3) business days of your request. Kaiser Permanente may ask whether your request for a hard copy is a one-time request or if you are requesting to receive the provider directory in hard copy permanently.

If you request it, your request for hard copies of the provider directory remains until you leave Kaiser Permanente or request that hard copies be discontinued.

Kaiser Permanente uses the same quality, member experience, or cost-related measures to select practitioners and facilities in Marketplace Silver-tier plans as it does for all other Kaiser Foundation Health Plan (KFHP) products and lines of business. The measures may include, but are not limited to, HEDIS/CAHPS performance, member/patient complaints, patient safety scores, hospital quality measures, and geographic need. Members enrolled in KFHP Marketplace plans have access to all professional, institutional and ancillary health care providers who participate in KFHP plans' contracted provider network, in accordance with the terms of the members' KFHP plan of coverage. All Kaiser Permanente Medical Group physicians and network physicians are subject to the same quality review processes and certifications.

Kaiser Permanente uses the same geographic distribution consideration to select hospitals in Marketplace plans as it does for all other Kaiser Foundation Health Plan (KFHP) products and lines of business.

Information about a practitioner is provided to us by the practitioner, or by the credentialing board. If you have questions, please contact Member Services. You can also call the Maryland Board of Physicians at (800) 492-6836, the Virginia Department of Health Professions at (804) 662-9900, or the Washington, D. C., Department of Health at (202) 671-5000..

This page was last updated on: 04/25/24