NPPES file of Aug 9, 2026

Ruben Hernan Alvarez Cobian, M.D.

Internal Medicine Physician · San German, PR

Ruben Hernan Alvarez Cobian, M.D. is an internal medicine physician with a practice address in San German, Puerto Rico, and NPI 1144293291, issued on Feb 9, 2006. Check the license (Puerto Rico 11578, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144293291
Name
Ruben Hernan Alvarez Cobian
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
11578 PR
Self-reported in NPPES; status is on the state search
Practice location
Calle Hernan Alvarez 100 Suite #103, San German, PR 00683
Phone
(787) 892-1949
Enumerated
Feb 9, 2006
Record last updated
Dec 18, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(787) 892-1949
Medicare enrollment
Enrolled (PECOS I20130712000294); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Ruben Hernan Alvarez Cobian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 11578
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Puerto Rico license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.0 times the Medicare Part D claims of the average internal medicine physician in 2024

6,420 Medicare Part D claims for 292 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 25 claims were for opioids.

  1. Ruben Alvarez Cobian6,420
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium452 claims
  2. Losartan Potassium380 claims
  3. Levothyroxine Sodium286 claims
  4. Amlodipine Besylate254 claims
  5. Metformin Hcl220 claims
  6. Lisinopril196 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: $39.71

2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ruben Alvarez Cobian$39.71
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Ruben Hernan Alvarez Cobian among 1,146 internal medicine physician records in Puerto Rico

Ruben Hernan Alvarez Cobian, M.D. is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 79% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 52% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1990 · median 1996 among the 595 with a school on file
  • Record last updated2012 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 internal medicine physician records list a practice address in San German

They are 35 of the 403 NPPES records with a practice address in San German, and 1,146 internal medicine physician records in Puerto Rico.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ivan Acosta, M.D.San German, PR 006831477616167
  2. Pedro Ayala Cruz, M.D.San German, PR 006831124189352
  3. Eddanys Martinez, M.D.San German, PR 006831407831514
  4. Luis Mercado, MDSan German, PR 006831144227869
  5. Luis Negron-Garcia, MDSan German, PR 006831346448545
  6. Yolanda Otero-Igaravidez, MDSan German, PR 006831578544938
  7. Alicia Quinones Acevedo, M.D.San German, PR 006831508917303
  8. Araceli Rivera, M.D.San German, PR 006831073520961

Common questions

What is Ruben Hernan Alvarez Cobian, M.D.'s NPI number?

Ruben Hernan Alvarez Cobian, M.D.'s National Provider Identifier (NPI) is 1144293291, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ruben Hernan Alvarez Cobian, M.D. located?

The NPPES record lists a practice address at Calle Hernan Alvarez 100 Suite #103, San German, PR, 00683. Phone: (787) 892-1949. Providers update this record themselves, so call before visiting.

How can I verify Ruben Hernan Alvarez Cobian, M.D.'s license?

NPPES lists Puerto Rico license number 11578, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Ruben Hernan Alvarez Cobian, M.D. prescribe under Medicare Part D?

In 2024, Ruben Hernan Alvarez Cobian, M.D. had 6,420 Medicare Part D claims for 292 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.