Ruben Reider MD PA
NPI 1891984936 · Internal Medicine Physician · Baltimore, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruben Reider MD PA is a Internal Medicine Physician organization in Baltimore, MD (NPI 1891984936).
Provider details
- NPI number
- 1891984936
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ruben Reider, President(410) 768-1380
- License
- D22609 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-10-15
- Last updated
- 2007-11-26
Frequently asked questions
- What is Ruben Reider MD PA's NPI number?
- Ruben Reider MD PA's National Provider Identifier (NPI) is 1891984936, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ruben Reider MD PA?
- Ruben Reider MD PA is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ruben Reider MD PA located?
- Ruben Reider MD PA's practice location on file with NPPES is 201 Milford Mill Rd, Baltimore, MD 21208-5903.
- What is Ruben Reider MD PA's phone number?
- The practice phone number listed in the NPPES registry for Ruben Reider MD PA is (410) 768-1380.
- Does Ruben Reider MD PA accept Medicare?
- Ruben Reider MD PA is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Ruben Reider MD PA?
- The authorized official listed on Ruben Reider MD PA's NPPES record is Ruben Reider, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ruben Reider MD PA's NPI active?
- Yes — Ruben Reider MD PA's NPI (1891984936) is active in the NPPES registry as of the last update on 2007-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.