NPPES file of Aug 9, 2026

Nestor Miguel Unger, M.D.

Nephrology Physician · Aibonito, PR

Nestor Miguel Unger, M.D. is a nephrology physician with a practice address in Aibonito, Puerto Rico, and NPI 1003810516, issued on Jun 13, 2005. Check the license (Puerto Rico 14653, 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
1003810516
Name
Nestor Miguel Unger
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
14653 PR
ME 86319 FL
Self-reported in NPPES; status is on the state search
Practice location
58 Calle Ramon Flores, Aibonito, PR 00705
Phone
(787) 649-2020
Enumerated
Jun 13, 2005
Record last updated
Dec 3, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(787) 954-0607
Medicare enrollment
Enrolled (PECOS I20040909000484); 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.
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Verify Nestor Miguel Unger 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 14653
    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
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3.0 times the Medicare Part D claims of the average nephrology physician in 2024

4,430 Medicare Part D claims for 279 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Nestor Unger4,430
  2. Specialty average1,465

Most prescribed

  1. Synthroid304 claims
  2. Atorvastatin Calcium231 claims
  3. Famotidine181 claims
  4. Farxiga158 claims
  5. Metoprolol Succinate147 claims
  6. Omeprazole146 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.

Nestor Miguel Unger among 152 nephrology physician records in Puerto Rico

Nestor Miguel Unger, M.D. is one of 152 nephrology physician records with a practice address in Puerto Rico. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated1979 · median 2004 among the 124 with a school on file
  • Record last updated2013 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Puerto Rico

There are 152 nephrology physician records in Puerto Rico.

The 8 nephrology physician records with the nearest ZIP codes

  1. Vicente Laboy Ramos, M.D.Aibonito, PR 007051891838405
  2. Victor Figueroa Melendez, MDYauco, PR 006981770569162
  3. Praxedes Alvarez, M.D.Ponce, PR 007161609837285
  4. Rafael Garcia Nieves, M.D.Ponce, PR 007161497876916
  5. Marco Albarran Portilla, MDPonce, PR 007171720050230
  6. Jannice Arroyo Soto, M.DPonce, PR 007171710288550
  7. Jesenia De Jesus Alvarez, MDPonce, PR 007171730600685
  8. Luis Ortiz HerediaPonce, PR 007171083810162

Common questions

What is Nestor Miguel Unger, M.D.'s NPI number?

Nestor Miguel Unger, M.D.'s National Provider Identifier (NPI) is 1003810516, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Nestor Miguel Unger, M.D. located?

The NPPES record lists a practice address at 58 Calle Ramon Flores, Aibonito, PR, 00705. Phone: (787) 649-2020. Providers update this record themselves, so call before visiting.

How can I verify Nestor Miguel Unger, M.D.'s license?

NPPES lists Puerto Rico license number 14653, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Nestor Miguel Unger, M.D. prescribe under Medicare Part D?

In 2024, Nestor Miguel Unger, M.D. had 4,430 Medicare Part D claims for 279 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.