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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

MR. JONATHAN A MARTINEZ FESHOLD, M.D.

Active Sole Proprietor

MR. JONATHAN A MARTINEZ FESHOLD, M.D. is a Infectious Disease healthcare provider located in SAN JUAN, Puerto Rico. NPI 1851749964 is currently active in the NPPES registry. Verify at CMS.

Infectious Disease · SAN JUAN, PR

Registration Details

NPI Number
1851749964
Provider Type
Individual
Gender
Male
NPI Issued
May 31, 2016 (10.22124533861 yrs)
Last Updated
Oct 23, 2025
Licenses
19835 (PR)
19835 (PR)
Sole Proprietor
Yes

Practice Information

Address
900 UNIVERSITY GARDENS
CALLE HARVARD
SAN JUAN, PR, 00927
Browse PR providers · Browse ZIP 00927
Phone
7874025656
Primary Specialty
Infectious Disease
207RI0200X
Additional Specialty
Infectious Disease

Other Infectious Disease Providers in SAN JUAN, PR

Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.