Medstar Medical Group - Southern Maryland LLC
NPI 1639976665 · Hematology & Oncology Physician · Greenbelt, MD
Medstar Medical Group - Southern Maryland LLC is a Hematology & Oncology Physician organization in Greenbelt, MD (NPI 1639976665).
Provider details
- NPI number
- 1639976665
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alan Buster, C.o.o.(301) 373-7905
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Medstar Shah Medical Group LLC
- Doing business as
- Medstar Shah Medical Group LLC
Registry dates
- Enumerated
- 2025-02-27
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
Frequently asked questions
- What is Medstar Medical Group - Southern Maryland LLC's NPI number?
- Medstar Medical Group - Southern Maryland LLC's National Provider Identifier (NPI) is 1639976665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Medstar Medical Group - Southern Maryland LLC?
- Medstar Medical Group - Southern Maryland LLC is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Medstar Medical Group - Southern Maryland LLC located?
- Medstar Medical Group - Southern Maryland LLC's practice location on file with NPPES is 7501 Greenway Center Drive Suite 500, Greenbelt, MD 20770-3546.
- What is Medstar Medical Group - Southern Maryland LLC's phone number?
- The practice phone number listed in the NPPES registry for Medstar Medical Group - Southern Maryland LLC is (301) 345-7030.
- Who is the authorized official for Medstar Medical Group - Southern Maryland LLC?
- The authorized official listed on Medstar Medical Group - Southern Maryland LLC's NPPES record is Alan Buster, C.o.o.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Medstar Medical Group - Southern Maryland LLC's NPI active?
- Yes — Medstar Medical Group - Southern Maryland LLC's NPI (1639976665) is active in the NPPES registry as of the last update on 2025-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.