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MEDSTAR URGENT CARE LLC
NPI 1942623319
Clinic/Center - Urgent Care in Baltimore, MD

Active since January 21, 2014CLIA Certified · 3 labs
6317 YORK RD, BALTIMORE, MD 21212(410) 933-4966 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 25, 2026, Mar 17, 2026, Oct 10, 2025 and 1 more (4 updates tracked since 2025).

About Medstar Urgent Care Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MEDSTAR URGENT CARE LLC (NPI 1942623319), doing business as Mmg Urgent Care, is a healthcare organization registered as an urgent care in Baltimore, Maryland and active in the NPI registry since January 2014. The organization holds 3 active CLIA laboratory certificates, maintains 32 additional practice locations, and lists Stephanie Schneider, Vp, as its authorized official.

NPPES Registry Identity

NPI1942623319
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NameMEDSTAR URGENT CARE LLC
Location Address6317 YORK RDBaltimore, MD 21212-2310
Mailing Address2233 Wisconsin Ave Nw Ste 420Washington, DC 20007-4122 · (410) 933-4966
Phone(410) 933-4966
Organization SubpartNo
Authorized OfficialStephanie SchneiderVp · (703) 558-1403
Enumeration DateJanuary 21, 2014
Last NPPES UpdateAugust 25, 20264 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
✔ NPI 1942623319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
Also ListedGeneral PracticeTaxonomy 208D00000X
6317 YORK RD, Baltimore, MD 21212
Open in Google Maps ↗

Other Names 1

Doing Business AsMmg Urgent Care

Secondary Practice Locations 32

Location 16401 America BlvdHyattsville, MD 20782-2357 · Phone (301) 276-8800
Location 21321 Riverside PkwyBelcamp, MD 21017-1388 · Phone (410) 297-2380
Location 311915 Georgia AveWheaton, MD 20902-2065 · Phone (301) 942-4505
Location 43350 Crain HwyWALDORF, MD 20603-4850 · Phone (855) 910-3278
Location 5350 Fortune TerPOTOMAC, MD 20854-2981 · Phone (855) 910-3278
Location 67825 York RdTOWSON, MD 21204-7445 · Phone (855) 910-3278
Location 75454 Wisconsin Ave Ste 401Chevy Chase, MD 20815-6923 · Phone (301) 215-9440
Location 83610D King StAlexandria, VA 22302-1908 · Phone (703) 845-2815
Location 93064 Marketplace DrWaldorf, MD 20603-4871 · Phone (301) 932-5960
Location 102401 Brandermill BlvdGambrills, MD 21054-1690 · Phone (855) 748-4868
Location 111420 Key HwyBaltimore, MD 21230-5546 · Phone (410) 230-7820
Location 128605 Ridgelys Choice DrBaltimore, MD 21236-2953 · Phone (410) 248-2310
Location 1337767 Market DrCharlotte Hall, MD 20622-3188 · Phone (301) 290-1499
Location 141211 Darnestown RdGaithersburg, MD 20878-3211 · Phone (301) 926-3020
Location 156317 York RdBaltimore, MD 21212-2310 · Phone (443) 777-6590
Location 166500 Baltimore National PikeCATONSVILLE, MD 21228-4200 · Phone (855) 910-3278
Location 171805 Columbia Rd NWWashington, DC 20009-2001 · Phone (202) 797-4960
Location 1819777 North Frederick RdGERMANTOWN, MD 20876-1307 · Phone (855) 910-3278
Location 1944980 Saint Andrews Church RdCALIFORNIA, MD 20619-2363 · Phone (855) 910-3278
Location 201807 Reisterstown RdPIKESVILLE, MD 21208-1304 · Phone (855) 910-3278
Location 2118045 Georgia AveOlney, MD 20832-2237 · Phone (855) 910-3278
Location 22500 Charles StLA PLATA, MD 20646-5931 · Phone (855) 910-3278
Location 232114 Generals HwyANNAPOLIS, MD 21401-7488 · Phone (855) 910-3278
Location 24882 Muddy Branch RdGAITHERSBURG, MD 20878-2780 · Phone (855) 910-3278
Location 256334 Cedar LnColumbia, MD 21044-3898 · Phone (855) 910-3278
Location 264507 Stanford StBETHESDA, MD 20815-5205 · Phone (855) 910-3278
Location 2720 University Blvd ESILVER SPRING, MD 20901-2436 · Phone (855) 910-3278
Location 2812220 Rockville PikeROCKVILLE, MD 20852-1608 · Phone (855) 910-3278
Location 297698 Dorchester BlvdHanover, MD 21076-1946 · Phone (855) 910-3278
Location 30201 Shorebird StFREDERICK, MD 21701-1962 · Phone (855) 910-3278
Location 31228 7th St SEWashington, DC 20003-4306 · Phone (202) 658-0795
Location 328125 Ritchie Hwy Ste HPasadena, MD 21122-6925 · Phone (855) 910-3278

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Medstar Urgent Care Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

319

Medicare enrollment records show 319 clinicians reassign Medicare billing to Medstar Urgent Care LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 51 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 8

Nurse Practitioner204
Family Practice66
Emergency Medicine36
Internal Medicine6
Pediatric Medicine4
Hospice/Palliative Care1
Hospitalist1
Sports Medicine1

Nearest to this location (20)

See all 319
Fernando Porter, MD
Family Practice
NPI 1669785770
6317 YORK RD
Baltimore, MD 21212
(443) 777-6890
✔ PECOS✔ Accepts MedicareSame address
Parven Akhter, M.D
Family Practice
NPI 1982726097
6317 YORK RD
Baltimore, MD 21212
(443) 777-6890
✔ PECOSSame address
Damata Payida-Ansah, DNP, CRNP, FNP-BC
Nurse Practitioner
NPI 1437824190
600 E BELVEDERE AVE STE A
Baltimore, MD 21212
(410) 296-0018
✔ PECOS✔ Accepts Medicare0.6 mi
Rushia Butler, M.D.
Family Practice
NPI 1376582072
7600 OSLER DR STE 113
Towson, MD 21204
(800) 704-1947
✔ PECOS1.1 mi
Elise Worley, D.O.
Family Practice
NPI 1215257902
5601 LOCH RAVEN BLVD SMYTH BLDG. SUITE 201
Baltimore, MD 21239
(443) 444-6100
✔ PECOS✔ Accepts Medicare1.5 mi
Daniel Teklay, MD
Emergency Medicine
NPI 1558417204
210 E UNIVERSITY PKWY
Baltimore, MD 21218
(410) 554-2000
✔ PECOS✔ Accepts Medicare2.9 mi
Joseph Pate, M.D.
Emergency Medicine
NPI 1376834812
201 E UNIVERSITY PKWY DEPARTMENT OF EMERGENCY MEDICINE
Baltimore, MD 21218
(410) 554-2000
✔ PECOS✔ Accepts Medicare2.9 mi
Nicole Williams
Emergency Medicine
NPI 1487187837
201 E UNIVERSITY PKWY
Baltimore, MD 21218
(410) 554-2000
✔ PECOS✔ Accepts Medicare3.0 mi
Kerry Mccartney, FNP
Nurse Practitioner
NPI 1003966730
2401 W BELVEDERE AVE
Baltimore, MD 21215
(410) 601-5373
✔ PECOS✔ Accepts Medicare3.2 mi
Shannon Jensen, CRNP - F
Nurse Practitioner
NPI 1487854238
2401 W BELVEDERE AVE ATTN: EMERGENCY DEPARTMENT
Baltimore, MD 21215
(410) 601-5737
✔ PECOS✔ Accepts Medicare3.2 mi
Rebecca Jackson, NP
Nurse Practitioner
NPI 1649876749
2520 N CHARLES ST
Baltimore, MD 21218
(410) 702-0510
✔ PECOS✔ Accepts Medicare3.7 mi
Karen Donaldson, MD
Family Practice
NPI 1578569786
3120 ERDMAN AVE
Baltimore, MD 21213
(410) 558-4800
✔ PECOS4.0 mi
Liina Brathwaite, CRNP
Nurse Practitioner
NPI 1295559821
943 BROOKS LN
Baltimore, MD 21217
(443) 939-9172
✔ PECOS✔ Accepts Medicare4.2 mi
Maria Mainolfi - Palarata, MD
Internal Medicine
NPI 1265694608
1830 YORK RD SUITE F
Timonium, MD 21093
(410) 252-4015
✔ PECOS4.2 mi
Gerrin Davis, NP
Nurse Practitioner
NPI 1700284551
1515 W NORTH AVE STD CLINIC
Baltimore, MD 21217
(410) 396-0176
✔ PECOS✔ Accepts Medicare4.7 mi
Leah Hart, FNP-C
Nurse Practitioner
NPI 1558816496
1111 N CHARLES ST
Baltimore, MD 21201
(410) 837-2050
✔ PECOS✔ Accepts Medicare4.8 mi
Ugo Akara, CRNP
Nurse Practitioner
NPI 1780197772
1501 DIVISION ST
Baltimore, MD 21217
(410) 383-8300
✔ PECOS✔ Accepts Medicare4.9 mi
Ivy Akid, M.D.
Hospice/Palliative Care
NPI 1811376775
600 N WOLFE ST
Baltimore, MD 21287
(410) 955-9441
✔ PECOS5.2 mi
Christina Allen, NP
Nurse Practitioner
NPI 1669877049
600 N WOLFE STREET MEYER 100
Baltimore, MD 21287
(410) 955-6827
✔ PECOS5.3 mi
Etosha Dixon, M.D.
Family Practice
NPI 1063473551
8800 WALTHER BLVD
Baltimore, MD 21234
(410) 882-3240
✔ PECOS5.4 mi
See all 319 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 3

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 21D1004199

Medstar Urgent Care LLC · Gambrills, MD
Active · expires Mar 31, 2027
CLIA Number21D1004199
Laboratory TypeUrgent Care
Certificate Effective DateApril 1, 2025
Certificate Expiration DateMarch 31, 2027
Laboratory DirectorDr. Robert Klug
Laboratory Phone(410) 772-6909
Laboratory LocationMedstar Urgent Care LLC2401 Brandermill Blvd, Gambrills, MD 21054
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 21D2002477

Medstar Urgent Care LLC · Hanover, MD
Active · expires Mar 31, 2027
CLIA Number21D2002477
Laboratory TypeUrgent Care Lab
Certificate Effective DateApril 1, 2025
Certificate Expiration DateMarch 31, 2027
Laboratory DirectorDr. Bronson E. Delsobera
Laboratory Phone(410) 772-6909
Laboratory LocationMedstar Urgent Care LLC7698 Dorchester Blvd Suite 204, Hanover, MD 21076
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 21D2150274

Medstar Urgent Care LLC · Laplata, MD
Active · expires Mar 14, 2027
CLIA Number21D2150274
Laboratory TypeUrgent Care
Certificate Effective DateMarch 15, 2025
Certificate Expiration DateMarch 14, 2027
Laboratory DirectorDr. Jasmeet S. Bhogal
Laboratory Phone(410) 772-6909
Laboratory LocationMedstar Urgent Care LLC500 Charles St, Laplata, MD 20646
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Medstar Urgent Care LLC's NPI number?

The NPI number for Medstar Urgent Care LLC is 1942623319. It was assigned to this organization in the NPPES registry on January 21, 2014. The provider is doing business as MMG Urgent Care.

Where is Medstar Urgent Care LLC located?

Medstar Urgent Care LLC is located at 6317 York Rd, Baltimore, MD 21212. The listed phone number is (410) 933-4966.

What is Medstar Urgent Care LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.

Is Medstar Urgent Care LLC enrolled in Medicare?

Yes. Medstar Urgent Care LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Medstar Urgent Care LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 319 clinicians in 8 Medicare specialties reassign their Medicare billing to Medstar Urgent Care LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (204), Family Practice (66) and Emergency Medicine (36). Of these, 2 practice at this address and 51 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Medstar Urgent Care LLC hold CLIA laboratory certificates?

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Medstar Urgent Care LLC was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.