Felix J. Seda-Diaz, MD
Pediatric Otolaryngology Physician · San Juan, PR
Felix J. Seda-Diaz, MD is a pediatric otolaryngology physician with a practice address in San Juan, Puerto Rico, and NPI 1558392241, issued on Jul 5, 2006. Check the license (Puerto Rico 11698, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Felix J. Seda-Diaz
- Credential
- MD
- Primary taxonomy
- Pediatric Otolaryngology Physician 207YP0228X
- License number
- 11698 PR
Self-reported in NPPES; status is on the state search - Practice location
- Ave San Jorge 252, San Juan, PR 00912
- Phone
- (787) 268-2300
- Enumerated
- Jul 5, 2006
- Record last updated
- May 20, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (787) 268-3055
- Entity
- Type 1 · individual
3 nearest pediatric otolaryngology physician records → All 4 in Puerto Rico → Look up another NPI →
Also registered at Ave San Jorge 252
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vicky Ortiz-Santiago, MSAudiologist1861618282
Verify Felix J. Seda-Diaz 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 11698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average pediatric otolaryngology physician in 2024
16 Medicare Part D claims for 11 beneficiaries, against an average of 129 among the 135 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.
Pediatric Otolaryngology Physician providers in Puerto Rico
There are 4 pediatric otolaryngology physician records in Puerto Rico.
All 4 in Puerto Rico → Every provider in San Juan → Pediatric Otolaryngology Physician nationwide →
The 3 pediatric otolaryngology physician records with the nearest ZIP codes
- Carlos Gonzalez-Aquino, MDSan Juan, PR 009121043268956
- Melissa Ortiz-Hernandez, M.D.Santurce, PR 009121770780629
- Hector Garcia Marrero, MDBayamon, PR 009591346382413
Common questions
What is Felix J. Seda-Diaz, MD's NPI number?
Felix J. Seda-Diaz, MD's National Provider Identifier (NPI) is 1558392241, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Felix J. Seda-Diaz, MD located?
The NPPES record lists a practice address at Ave San Jorge 252, San Juan, PR, 00912. Phone: (787) 268-2300. Providers update this record themselves, so call before visiting.
How can I verify Felix J. Seda-Diaz, MD's license?
NPPES lists Puerto Rico license number 11698, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Felix J. Seda-Diaz, MD prescribe under Medicare Part D?
In 2024, Felix J. Seda-Diaz, MD had 16 Medicare Part D claims for 11 beneficiaries; the average among pediatric otolaryngology physician prescribers was 129. 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.