Antonio Riera - March, M.D.
Otolaryngology Physician · San Juan, PR
Antonio Riera - March, M.D. is an otolaryngology physician with a practice address in San Juan, Puerto Rico, and NPI 1437119518, issued on Mar 24, 2006. Check the license (Puerto Rico 9422, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Antonio Riera - March
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 9422 PR
Self-reported in NPPES; status is on the state search - Practice location
- Univ. OF Puerto Rico, Medical Sciences Campus, San Juan, PR 00936
- Phone
- (787) 765-0240
- Enumerated
- Mar 24, 2006
- Record last updated
- Mar 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (787) 296-1641
- Medicare enrollment
- Enrolled (PECOS I20080221000010); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 53 in Puerto Rico → Look up another NPI →
Verify Antonio Riera - March 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 9422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average otolaryngology physician in 2024
24 Medicare Part D claims, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- Recinto DE Ciencias MedicasSan Juan, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Antonio Riera - March among 53 otolaryngology physician records in Puerto Rico
Antonio Riera - March, M.D. is one of 53 otolaryngology 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 2006, is newer than 28% of them.
- NPI issued2006 · 28% of these records are older, 42% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1975 · median 1994 among the 40 with a school on file
- Record last updated2013 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Puerto Rico
There are 53 otolaryngology physician records in Puerto Rico.
All 53 in Puerto Rico → Every provider in San Juan → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Ana Melero PardoSan Juan, PR 009361154013175
- Eric PerezSan Juan, PR 009361689437808
- Camila Rios De ChoudensSan Juan, PR 009361114559184
- Shayanne Lajud Guerrero, M.D.San Juan, PR 009351306265269
- Nicolas Casellas, MDSan Juan, PR 009261417451089
- Paulette Pacheco-Lopez, M.D.San Juan, PR 009261568657930
- Sara Perez, M.D.San Juan, PR 009261932264819
- Miguel Garraton - Martin, M.D.San Juan, PR 009231962430801
Common questions
What is Antonio Riera - March, M.D.'s NPI number?
Antonio Riera - March, M.D.'s National Provider Identifier (NPI) is 1437119518, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Antonio Riera - March, M.D. located?
The NPPES record lists a practice address at Univ. OF Puerto Rico, Medical Sciences Campus, San Juan, PR, 00936. Phone: (787) 765-0240. Providers update this record themselves, so call before visiting.
How can I verify Antonio Riera - March, M.D.'s license?
NPPES lists Puerto Rico license number 9422, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Antonio Riera - March, M.D. prescribe under Medicare Part D?
In 2024, Antonio Riera - March, M.D. had 24 Medicare Part D claims; the average among otolaryngology physician prescribers was 541. 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.