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MR. JONATHAN A MARTINEZ FESHOLD M.D.
NPI 1851749964
Internal Medicine - Infectious Disease in San Juan, PR

Active since May 31, 2016PECOS EnrolledAccepts Medicare Assignment
900 UNIVERSITY GARDENS, CALLE HARVARD, SAN JUAN, PR 00927(787) 402-5656 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 16, 2021, Nov 17, 2020, Nov 14, 2020 (3 updates tracked since 2020).

About Mr. Jonathan A Martinez Feshold M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. JONATHAN A MARTINEZ FESHOLD M.D. (NPI 1851749964) is an individual infectious disease provider in San Juan, Puerto Rico, licensed in Puerto Rico (19835) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital West, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1851749964
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameMR. JONATHAN A MARTINEZ FESHOLDCredential: M.D.
Location Address900 UNIVERSITY GARDENS, CALLE HARVARDSan Juan, PR 00927
Mailing AddressGpo Box 364708San Juan, PR 00936-4708 · (787) 758-8383 · Fax (787) 763-9758
Phone(787) 402-5656
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateMay 31, 2016
Last NPPES UpdateOctober 23, 20253 updates tracked since enumeration
NPPES CertifiedOctober 23, 2025
✔ NPI 1851749964 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in PR · 19835
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License 19835 (PR)

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Jonathan A Martinez Feshold M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971981507
PECOS Enrollment IDI20241030003822
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hospital West

Acute Care Hospitals · Pembroke Pines, FL
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100281
Location703 N Flamingo RdPembroke Pines, FL 33028 · Broward County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00927 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jonathan Martinez Feshold's NPI number?

The NPI number for Jonathan Martinez Feshold is 1851749964. It was assigned to this individual provider in the NPPES registry on May 31, 2016.

Where is Jonathan Martinez Feshold located?

Jonathan Martinez Feshold practices at 900 University Gardens Calle Harvard, San Juan, PR 00927. The listed phone number is (787) 402-5656.

What is Jonathan Martinez Feshold's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Jonathan Martinez Feshold enrolled in Medicare?

Yes. Jonathan Martinez Feshold is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Jonathan Martinez Feshold accept?

Health plans from Oscar Health Maintenance Organization of Florida list Jonathan Martinez Feshold as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jonathan Martinez Feshold affiliated with any hospitals?

According to CMS data, Jonathan Martinez Feshold is affiliated with Memorial Hospital West.

When was this NPI record last updated?

The NPPES record for Jonathan Martinez Feshold was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.