Ernesto J. Munoz Vilches, MD
Internal Medicine Physician · San Juan, PR
Ernesto J. Munoz Vilches, MD is an internal medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1861436461, issued on Jun 15, 2006. Check the license (Puerto Rico 11412, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ernesto J. Munoz Vilches
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 11412 PR
Self-reported in NPPES; status is on the state search - Practice location
- 29 Calle Washington Suite 208B, San Juan, PR 00907
- Phone
- (787) 721-4836
- Enumerated
- Jun 15, 2006
- Record last updated
- May 25, 2024
- Fax
- (787) 721-8448
- Medicare enrollment
- Enrolled (PECOS I20100507000048); 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 J. Munoz Vilches 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 11412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average internal medicine physician in 2024
5,754 Medicare Part D claims for 398 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium269 claims
- Levothyroxine Sodium254 claims
- Losartan Potassium228 claims
- Rosuvastatin Calcium225 claims
- Simvastatin224 claims
- Metformin Hcl212 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 J. Munoz Vilches among 1,146 internal medicine physician records in Puerto Rico
Ernesto J. Munoz Vilches, 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 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
- Graduated1984 · median 1996 among the 595 with a school on file
- Record last updated2024 · 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
- Karen Ossa, M.D.San Juan, PR 009071801005418
- Jennifer Pena, M.D.San Juan, PR 009071639332554
Common questions
What is Ernesto J. Munoz Vilches, MD's NPI number?
Ernesto J. Munoz Vilches, MD's National Provider Identifier (NPI) is 1861436461, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ernesto J. Munoz Vilches, MD located?
The NPPES record lists a practice address at 29 Calle Washington Suite 208B, San Juan, PR, 00907. Phone: (787) 721-4836. Providers update this record themselves, so call before visiting.
How can I verify Ernesto J. Munoz Vilches, MD's license?
NPPES lists Puerto Rico license number 11412, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Ernesto J. Munoz Vilches, MD prescribe under Medicare Part D?
In 2024, Ernesto J. Munoz Vilches, MD had 5,754 Medicare Part D claims for 398 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.