Riar & Altschuler,md, P.A.
NPI 1598703670 · Internal Medicine Physician · Silver Spring, MD
Riar & Altschuler,md, P.A. is a Internal Medicine Physician organization in Silver Spring, MD (NPI 1598703670).
Provider details
- NPI number
- 1598703670
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Abdullah Riar, President(301) 649-6100
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs 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
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2025-09-11
Frequently asked questions
- What is Riar & Altschuler,md, P.A.'s NPI number?
- Riar & Altschuler,md, P.A.'s National Provider Identifier (NPI) is 1598703670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Riar & Altschuler,md, P.A.?
- Riar & Altschuler,md, P.A. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Riar & Altschuler,md, P.A. located?
- Riar & Altschuler,md, P.A.'s practice location on file with NPPES is 1299 Lamberton Dr, Silver Spring, MD 20902-3411.
- What is Riar & Altschuler,md, P.A.'s phone number?
- The practice phone number listed in the NPPES registry for Riar & Altschuler,md, P.A. is (301) 649-6100.
- Who is the authorized official for Riar & Altschuler,md, P.A.?
- The authorized official listed on Riar & Altschuler,md, P.A.'s NPPES record is Abdullah Riar, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Riar & Altschuler,md, P.A.'s NPI active?
- Yes — Riar & Altschuler,md, P.A.'s NPI (1598703670) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.