NPPES file of Aug 9, 2026

Isabel Alamo, M.D.

Geriatric Medicine (Internal Medicine) Physician · Humacao, PR

Isabel Alamo, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Humacao, Puerto Rico, and NPI 1841288230, issued on Oct 10, 2005. Check the license (Puerto Rico 4947, 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
1841288230
Name
Isabel Alamo
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
4947 PR
Self-reported in NPPES; status is on the state search
Practice location
108 Calle Font Martelo E, Humacao, PR 00791
Phone
(787) 852-1055
Enumerated
Oct 10, 2005
Record last updated
Oct 6, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(787) 285-3450
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 108 Calle Font Martelo E

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ramon Sepulveda-Abreu, M.D.Urology Physician1558359927

Verify Isabel Alamo 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 4947    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

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86% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

576 Medicare Part D claims for 38 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Isabel Alamo576
  2. Specialty average4,246

Most prescribed

  1. Gabapentin43 claims
  2. Simvastatin30 claims
  3. Synthroid30 claims
  4. Rosuvastatin Calcium26 claims
  5. Irbesartan-Hydrochlorothiazide23 claims
  6. Famotidine22 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.

Geriatric Medicine (Internal Medicine) Physician providers in Puerto Rico

There are 21 geriatric medicine (internal medicine) physician records in Puerto Rico.

All 21 in Puerto Rico → Every provider in Humacao →

Other geriatric medicine (internal medicine) physician records in Puerto Rico

  1. Daisy Baez-Franceschi, M.D.Guaynabo, PR1053379065
  2. Maritza Carrasquillo, M.D.San Juan, PR1609810258
  3. Jose Colon Rivera, MDCanovanas, PR1356904304
  4. Herminio Frontera, M.D.San Juan, PR1528126505
  5. Pedro Gil De Rubio Cruz, MDCarolina, PR1770960163
  6. Juanita Hernandez, MDLas Piedras, PR1265586200
  7. Ivonne Jimenez-Velazquez, MD, FACPCarolina, PR1407974546
  8. Faudes Lugo Morales, M.D.Cabo Rojo, PR1386180644
  9. William Marrero Ortiz, MDSan Juan, PR1619418027
  10. Ruth Martinez-Camacho, MDMayaguez, PR1093985160

Common questions

What is Isabel Alamo, M.D.'s NPI number?

Isabel Alamo, M.D.'s National Provider Identifier (NPI) is 1841288230, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Isabel Alamo, M.D. located?

The NPPES record lists a practice address at 108 Calle Font Martelo E, Humacao, PR, 00791. Phone: (787) 852-1055. Providers update this record themselves, so call before visiting.

How can I verify Isabel Alamo, M.D.'s license?

NPPES lists Puerto Rico license number 4947, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Isabel Alamo, M.D. prescribe under Medicare Part D?

In 2024, Isabel Alamo, M.D. had 576 Medicare Part D claims for 38 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.