Jonathan A. Martinez Feshold, M.D.
Infectious Disease Physician · San Juan, PR
Jonathan A. Martinez Feshold, M.D. is an infectious disease physician with a practice address in San Juan, Puerto Rico, and NPI 1851749964, issued on May 31, 2016. Check the license (Puerto Rico 19835, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jonathan A. Martinez Feshold
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 19835 PR
Self-reported in NPPES; status is on the state search - Practice location
- 900 University Gardens, San Juan, PR 00927
- Phone
- (787) 402-5656
- Enumerated
- May 31, 2016
- Record last updated
- Oct 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20241030003822); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 120 in Puerto Rico → Look up another NPI →
Verify Jonathan A. Martinez Feshold 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 19835Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average infectious disease physician in 2024
17 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
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
- South Broward Hospital DistrictHollywood, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan A. Martinez Feshold among 120 infectious disease physician records in Puerto Rico
Jonathan A. Martinez Feshold, M.D. is one of 120 infectious disease physician records with a practice address in Puerto Rico. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 12% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2016 · median 2004 among the 90 with a school on file
- Record last updated2025 · 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 207RI0200X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Puerto Rico
There are 120 infectious disease physician records in Puerto Rico.
All 120 in Puerto Rico → Every provider in San Juan → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Heydee Fournier-Gonzalez, MDSan Juan, PR 009271811482771
- Carlos Sanchez Sergenton, M.D.San Juan, PR 009271477678803
- Elba Arroyo Camunas, M.D.San Juan, PR 009261871531921
- Luis Bonilla Gonzalez, M.D.San Juan, PR 009261750588802
- Marisel Bosques Rosado, MDSan Juan, PR 009261548253537
- Janice Campos Ortiz, M.D.San Juan, PR 009261568828929
- Eileen Colon Santos, M.D.San Juan, PR 009261316158926
- Ruben Gonzalez Toledo, MDSan Juan, PR 009261972168680
Common questions
What is Jonathan A. Martinez Feshold, M.D.'s NPI number?
Jonathan A. Martinez Feshold, M.D.'s National Provider Identifier (NPI) is 1851749964, issued on May 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan A. Martinez Feshold, M.D. located?
The NPPES record lists a practice address at 900 University Gardens, San Juan, PR, 00927. Phone: (787) 402-5656. Providers update this record themselves, so call before visiting.
How can I verify Jonathan A. Martinez Feshold, M.D.'s license?
NPPES lists Puerto Rico license number 19835, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Jonathan A. Martinez Feshold, M.D. prescribe under Medicare Part D?
In 2024, Jonathan A. Martinez Feshold, M.D. had 17 Medicare Part D claims; the average among infectious disease physician prescribers was 689. 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.