Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MEDSTAR MEDICAL GROUP II LLC
NPI 1497257166
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 1497257166. It was assigned to this organization in the NPPES registry on March 8, 2018. The provider is also known as Medstar Orthopaedic Institute and Medstar Orthopaedic Institute At Mmmc.

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 March 08, 2018

18109 PRINCE PHILIP DR STE 325, OLNEY, MD 20832(301) 774-8958 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 11, 2026, Sep 2, 2025, Jun 20, 2023 and 1 more (4 updates tracked since 2018).

On this page

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 1497257166) is a healthcare organization registered as a general practice in Olney, Maryland and active in the NPI registry since March 2018. The organization lists Stephanie Schneider, Vice President, as its authorized official.

NPPES Registry Identity

NPI1497257166

Entity TypeOrganization

Primary Taxonomy208D00000X

Legal Business NameMEDSTAR MEDICAL GROUP II LLC

Location Address18109 PRINCE PHILIP DR STE 325Olney, MD 20832-1576

Mailing Address2233 Wisconsin Ave Nw Ste 420Washington, DC 20007-4122

Phone(301) 774-8958

Organization SubpartNo

Authorized OfficialStephanie SchneiderVice President · (703) 558-1403

Enumeration DateMarch 8, 2018

Last NPPES UpdateSeptember 11, 20264 updates tracked since enumeration

NPPES CertifiedSeptember 11, 2026

✔ NPI 1497257166 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

18109 PRINCE PHILIP DR STE 325, Olney, MD 20832

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Other Names 2

Other NameMedstar Orthopaedic Institute

Other NameMedstar Orthopaedic Institute At Mmmc

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 revalidation status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Medstar Medical Group Ii Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateMarylandEnrollment IDO20181101001313DME · Physician - General PracticeDue dateMarch 31, 2027

Source: CMS Revalidation Due Date List, October 2026 release.

Other Providers at the Same Location NPPES 2

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

MEDSTAR MEDICAL GROUP II LLC

General Practice

18109 PRINCE PHILIP DR STE 325
OLNEY, MD 20832

Montgomery County (703) 663-4737

DR. ANDREW MO MD

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

18109 PRINCE PHILIP DR STE 325
OLNEY, MD 20832

Montgomery County (301) 774-8958

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 1497257166. It was assigned to this organization in the NPPES registry on March 8, 2018. The provider is also known as Medstar Orthopaedic Institute and Medstar Orthopaedic Institute At Mmmc.

Where is Medstar Medical Group II LLC located?

Medstar Medical Group II LLC is located at 18109 Prince Philip Dr Ste 325, Olney, MD 20832. The listed phone number is (301) 774-8958.

What is Medstar Medical Group II LLC's specialty?

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

Is Medstar Medical Group II LLC enrolled in Medicare?

Yes. Medstar Medical Group II LLC is registered in the Medicare PECOS enrollment system.

When is Medstar Medical Group II LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare DME enrollment for this organization (Maryland, Physician - General Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

When was this NPI record last updated?

The NPPES record for Medstar Medical Group II LLC was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.