Ruben Reider, M.D.
Geriatric Medicine (Internal Medicine) Physician · Glen Burnie, MD
Ruben Reider, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Glen Burnie, Maryland, and NPI 1891890968, issued on Sep 14, 2006. Check the license (Maryland D22609, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ruben Reider
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- D22609 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7445 E Furnace Branch RD, Glen Burnie, MD 21060
- Phone
- (410) 768-1380
- Enumerated
- Sep 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 789621200 MD
- Medicare enrollment
- Enrolled (PECOS I20081003000649); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 139 in Maryland → Look up another NPI →
Verify Ruben Reider in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D22609Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
3,759 Medicare Part D claims for 225 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Amlodipine Besylate327 claims
- Losartan Potassium323 claims
- Atorvastatin Calcium245 claims
- Metformin Hcl167 claims
- Levothyroxine Sodium115 claims
- Metoprolol Succinate110 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $194.69
5 payments; by number, the most common kind was food and beverage; the largest payer was Aimmune Therapeutics, Inc. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ruben Reider among 139 geriatric medicine (internal medicine) physician records in Maryland
Ruben Reider, M.D. is one of 139 geriatric medicine (internal medicine) physician records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 38% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated1977 · median 1997 among the 66 with a school on file
- Record last updated2007 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Maryland
There are 139 geriatric medicine (internal medicine) physician records in Maryland.
All 139 in Maryland → Every provider in Glen Burnie → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Kuruppunayake Dharmasena, M.D.Glen Burnie, MD 210611437180197
- Nandakumar Vellanki, MDColumbia, MD 210451407886336
- Boris Frolov, M.D.Hanover, MD 210761780690107
- Chantal Youssef, MDEllicott City, MD 210421013204171
- Nara Simhan, M.D.Linthicum, MD 210901871556571
- Bo Zaw Win, M.D.Linthicum Heights, MD 210901942398870
- Susan Gorell, MDTimonium, MD 210931528274354
- Eddie Nakhuda, M.D., CMD, FACPLutherville, MD 210931104814920
Common questions
What is Ruben Reider, M.D.'s NPI number?
Ruben Reider, M.D.'s National Provider Identifier (NPI) is 1891890968, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruben Reider, M.D. located?
The NPPES record lists a practice address at 7445 E Furnace Branch RD, Glen Burnie, MD, 21060. Phone: (410) 768-1380. Providers update this record themselves, so call before visiting.
How can I verify Ruben Reider, M.D.'s license?
NPPES lists Maryland license number D22609, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ruben Reider, M.D. prescribe under Medicare Part D?
In 2024, Ruben Reider, M.D. had 3,759 Medicare Part D claims for 225 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.