Isamarie Montalvo, M.D.
General Practice Physician · Juncos, PR
Isamarie Montalvo, M.D. is a general practice physician with a practice address in Juncos, Puerto Rico, and NPI 1023162799, issued on Jan 22, 2007. Check the license (Puerto Rico 16309, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isamarie Montalvo
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 16309 PR
Self-reported in NPPES; status is on the state search - Practice location
- 58 Calle Algarin, Juncos, PR 00777
- Phone
- (787) 713-3027
- Enumerated
- Jan 22, 2007
- Record last updated
- Jan 8, 2026
- Fax
- (787) 713-3037
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Also registered at 58 Calle Algarin
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raul Hernandez Rodriguez, MDGeneral Practice Physician1104804749
Verify Isamarie Montalvo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 16309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average general practice physician in 2024
4,632 Medicare Part D claims for 136 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium282 claims
- Gabapentin195 claims
- Levothyroxine Sodium195 claims
- Sertraline Hcl183 claims
- Metformin Hcl146 claims
- Amlodipine Besylate139 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.
Isamarie Montalvo among 4,170 general practice physician records in Puerto Rico
Isamarie Montalvo, M.D. is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 51% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 general practice physician records list a practice address in Juncos
They are 38 of the 238 NPPES records with a practice address in Juncos, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Juncos → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Ismael Colon Calderon, MDJuncos, PR 007771063495976
- Jose Crespo, M.D.Juncos, PR 007771063400125
- Juan Cuan Lau, MDJuncos, PR 007771306832282
- Eileen Diaz CabreraJuncos, PR 007771902801822
- Amanda Fernandez Munoz, MDJuncos, PR 007771174506067
- Haydee Gely De La Rosa, M.D.Juncos, PR 007771346232170
- Dorma Gonzalez Andujar, M.D.Juncos, PR 007771740278613
- Raul Hernandez Rodriguez, MDJuncos, PR 007771104804749
Common questions
What is Isamarie Montalvo, M.D.'s NPI number?
Isamarie Montalvo, M.D.'s National Provider Identifier (NPI) is 1023162799, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Isamarie Montalvo, M.D. located?
The NPPES record lists a practice address at 58 Calle Algarin, Juncos, PR, 00777. Phone: (787) 713-3027. Providers update this record themselves, so call before visiting.
How can I verify Isamarie Montalvo, M.D.'s license?
NPPES lists Puerto Rico license number 16309, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Isamarie Montalvo, M.D. prescribe under Medicare Part D?
In 2024, Isamarie Montalvo, M.D. had 4,632 Medicare Part D claims for 136 beneficiaries; the average among general practice physician prescribers was 3,030. 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.