Ernesto A. Munoz Guadalupe, MD
Internal Medicine Physician · San Juan, PR
Ernesto A. Munoz Guadalupe, MD is an internal medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1376104836, issued on Jun 25, 2019. Check the license (Puerto Rico 22512, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ernesto A. Munoz Guadalupe
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 22512 PR
Self-reported in NPPES; status is on the state search - Practice location
- 29 Calle Washington Ste 208B, San Juan, PR 00907
- Phone
- (787) 721-4836
- Enumerated
- Jun 25, 2019
- Record last updated
- Jan 14, 2026
- Fax
- (787) 721-8448
- Medicare enrollment
- Enrolled (PECOS I20221102000000); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Verify Ernesto A. Munoz Guadalupe 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 22512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average internal medicine physician in 2024
911 Medicare Part D claims for 158 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Pantoprazole Sodium74 claims
- Losartan Potassium52 claims
- Atorvastatin Calcium49 claims
- Gabapentin40 claims
- Amlodipine Besylate37 claims
- Simvastatin34 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: $32.90
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Munoz Internal Medicine Services CspSan Juan, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ernesto A. Munoz Guadalupe among 1,146 internal medicine physician records in Puerto Rico
Ernesto A. Munoz Guadalupe, MD 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 2019, is newer than 78% of them.
- NPI issued2019 · 78% of these records are older, 17% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2017 · median 1996 among the 595 with a school on file
- Record last updated2026 · 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).
322 internal medicine physician records list a practice address in San Juan
They are 322 of the 8,960 NPPES records with a practice address in San Juan, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in San Juan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rafael Bermudez, M.D.San Juan, PR 009071285733691
- Frances Franceschi Nazario, M.D.San Juan, PR 009071790736569
- Raul Hernandez Chuan, MDSan Juan, PR 009071730120098
- Jellytza Maldonado, MDSan Juan, PR 009071316928625
- Carlos Matos, MDSantarce, PR 009071912989609
- Yolando Mendez/crespo, MDSan Juan, PR 009071326046038
- Ernesto Munoz Vilches, MDSan Juan, PR 009071861436461
- Karen Ossa, M.D.San Juan, PR 009071801005418
Common questions
What is Ernesto A. Munoz Guadalupe, MD's NPI number?
Ernesto A. Munoz Guadalupe, MD's National Provider Identifier (NPI) is 1376104836, issued on Jun 25, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ernesto A. Munoz Guadalupe, MD located?
The NPPES record lists a practice address at 29 Calle Washington Ste 208B, San Juan, PR, 00907. Phone: (787) 721-4836. Providers update this record themselves, so call before visiting.
How can I verify Ernesto A. Munoz Guadalupe, MD's license?
NPPES lists Puerto Rico license number 22512, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Ernesto A. Munoz Guadalupe, MD prescribe under Medicare Part D?
In 2024, Ernesto A. Munoz Guadalupe, MD had 911 Medicare Part D claims for 158 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.