MEDSTAR MEDICAL GROUP II LLC
NPI 1003778390
General Practice in Olney, MD

Q: What is Medstar Medical Group II LLC's NPI number?

The NPI number for Medstar Medical Group II LLC is 1003778390. It was assigned to this organization in the NPPES registry on November 25, 2025.

Q: What is Medstar Medical Group II LLC's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Active since November 25, 2025CLIA 21D1011197 · Waiver

18111 PRINCE PHILIP DR, OLNEY, MD 20832(301) 570-8535 Get Directions Write a Review

NPPES record last updated: November 25, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Medstar Medical Group Ii Llc NPPES

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

MEDSTAR MEDICAL GROUP II LLC (NPI 1003778390) is a healthcare organization registered as a general practice in Olney, Maryland and active in the NPI registry since November 2025. The organization holds a CLIA Waiver certificate valid through April 2, 2027 and lists Stephanie Schneider, Vp, as its authorized official.

NPPES Registry Identity

NPI1003778390

Entity TypeOrganization

Primary Taxonomy208D00000X

Legal Business NameMEDSTAR MEDICAL GROUP II LLC

Location Address18111 PRINCE PHILIP DROlney, MD 20832-1513

Mailing Address3007 Tilden St Nw Ste 5nWashington, DC 20008-3030 · (703) 558-1403

Phone(301) 570-8535

Organization SubpartNo

Authorized OfficialStephanie SchneiderVp · (702) 558-1403

Enumeration DateNovember 25, 2025

NPPES CertifiedNovember 25, 2025

✔ NPI 1003778390 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians

Taxonomy Code208D00000X

Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

18111 PRINCE PHILIP DR, Olney, MD 20832

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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

CLIA Laboratory Certificates CMS CLIA

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 21D1011197

Medstar Medical Group · Olney, MD

Active · expires Apr 2, 2027

CLIA Number21D1011197

Laboratory TypePhysician Office

Certificate Effective DateApril 3, 2025

Certificate Expiration DateApril 2, 2027

Laboratory DirectorChristopher J. Mays MD

Laboratory Phone(301) 774-7170

Laboratory LocationMedstar Medical Group18111 Prince Philip Drive Ste 207, Olney, MD 20832

CLIA data matches this NPI record on: Address Name

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THE NEUROLOGY CLINIC OF WASHINGTON

Specialist

18111 PRINCE PHILIP DR, STE 201
OLNEY, MD 20832

Montgomery County (301) 260-7600

DR. APRIL D TWEEDT D.O.

Family Medicine (Adolescent Medicine)

18111 PRINCE PHILIP DR, T-12
OLNEY, MD 20832

Montgomery County (301) 570-7770

DR. MORRIS SHELDON ALBERT MD

Pediatrics

18111 PRINCE PHILIP DR, #311
OLNEY, MD 20832

Montgomery County (301) 774-4100

STEVEN M SHIMOURA MD PA

Otolaryngology

18111 PRINCE PHILIP DR, SUITE 123
OLNEY, MD 20832

Montgomery County (301) 570-1333

ROBERT J KREITMAN MP

Internal Medicine (Hematology & Oncology)

18111 PRINCE PHILIP DR, #327
OLNEY, MD 20832

Montgomery County (301) 774-6136

SHERRY HOOD DULLING CRNP

Nurse Practitioner (Family)

18111 PRINCE PHILIP DR, SUITE 300
OLNEY, MD 20832

Montgomery County (301) 774-2991

DR. CHRISTOPHER JOHN MAYS M.D.

Internal Medicine

18111 PRINCE PHILIP DR, SUITE 207
OLNEY, MD 20832

Montgomery County (301) 774-7170

ATIYA H GOPALANI MD PA

Obstetrics & Gynecology (Gynecology)

18111 PRINCE PHILIP DR, STE 126
OLNEY, MD 20832

Montgomery County (301) 570-4866

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 Medical Group II LLC's NPI number?

The NPI number for Medstar Medical Group II LLC is 1003778390. It was assigned to this organization in the NPPES registry on November 25, 2025.

Where is Medstar Medical Group II LLC located?

Medstar Medical Group II LLC is located at 18111 Prince Philip Dr, Olney, MD 20832. The listed phone number is (301) 570-8535.

What is Medstar Medical Group II LLC's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Does Medstar Medical Group II LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 21D1011197) is associated with this NPI, valid through April 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Medstar Medical Group II LLC was last updated on November 25, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.