MS. MERLIZ NEGRON PANTOJA MD
NPI 1790160190
Internal Medicine in San Juan, PR

Active since July 27, 2015PECOS Enrolled
516 CALLE JUAN J JIMENEZ, SAN JUAN, PR 00918(787) 940-4094 Get Directions Write a Review

NPPES record last updated: December 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 19, 2025, Oct 6, 2025, Aug 12, 2025 and 4 more (7 updates tracked since 2020).

About Ms. Merliz Negron Pantoja Md NPPES

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

MS. MERLIZ NEGRON PANTOJA MD (NPI 1790160190) is an individual internal medicine provider in San Juan, Puerto Rico, licensed in Puerto Rico (21289) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790160190
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMS. MERLIZ NEGRON PANTOJACredential: MD
Location Address516 CALLE JUAN J JIMENEZSan Juan, PR 00918-2605
Mailing Address516 Calle Juan J JimenezSan Juan, PR 00918-2605 · (787) 940-4094
Sole ProprietorYes
Enumeration DateJuly 27, 2015
Last NPPES UpdateDecember 19, 20257 updates tracked since enumeration
NPPES CertifiedDecember 19, 2025
NPI 1790160190 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in PR · 21289
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Merliz Negron Pantoja Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00918 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.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

General Practice
516 CALLE JUAN J JIMENEZ
SAN JUAN, PR 00918

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 Merliz Negron Pantoja's NPI number?

The NPI number for Merliz Negron Pantoja is 1790160190. It was assigned to this individual provider in the NPPES registry on July 27, 2015.

Where is Merliz Negron Pantoja located?

Merliz Negron Pantoja practices at 516 Calle Juan J Jimenez, San Juan, PR 00918. The listed phone number is (787) 940-4094.

What is Merliz Negron Pantoja's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Merliz Negron Pantoja enrolled in Medicare?

Yes. Merliz Negron Pantoja is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Merliz Negron Pantoja was last updated on December 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.