Ruben Reider, M.D.
NPI 1891890968 · Geriatric Medicine (Internal Medicine) Physician · Glen Burnie, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruben Reider, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Glen Burnie, MD (NPI 1891890968).
Provider details
- NPI number
- 1891890968
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- 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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
857 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 556 | $129 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 120 | $129 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 83 | $182 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 27 | $19 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 27 | $19 |
| Advance Care Planning, First 30 Minutes99497 | 24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 327 | 102 |
| Losartan Potassium | 323 | 104 |
| Atorvastatin Calcium | 245 | 81 |
| Metformin Hcl | 167 | 48 |
| Levothyroxine Sodium | 115 | 32 |
| Metoprolol Succinate | 110 | 42 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$195 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ruben Reider's NPI number?
- Ruben Reider's National Provider Identifier (NPI) is 1891890968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruben Reider's specialty?
- Ruben Reider is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Ruben Reider located?
- Ruben Reider's practice location on file with NPPES is 7445 E Furnace Branch Rd, Glen Burnie, MD 21060-7243.
- What is Ruben Reider's phone number?
- The practice phone number listed in the NPPES registry for Ruben Reider is (410) 768-1380.
- Does Ruben Reider accept Medicare?
- Ruben Reider is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruben Reider's NPI active?
- Yes — Ruben Reider's NPI (1891890968) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.