1. Home
  2. Directory
  3. NPI Profile

GARY G MONTALVO PETROVICH LLC
NPI 1346654324
Otolaryngology in San Juan, PR

Active since June 17, 2014
400 AVE DOMENECH STE 506, LAS AMERICAS PROF CENTER, SAN JUAN, PR 00918(787) 754-8625(787) 754-8648 Get Directions Write a Review

NPPES record last updated: June 17, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Gary G Montalvo Petrovich Llc NPPES

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

GARY G MONTALVO PETROVICH LLC (NPI 1346654324) is a healthcare organization registered as an otolaryngology in San Juan, Puerto Rico and active in the NPI registry since June 2014. The organization lists Gary G Montalvo, Dueno, as its authorized official.

NPPES Registry Identity

NPI1346654324
Entity TypeOrganization
Primary Taxonomy207Y00000X
Legal Business NameGARY G MONTALVO PETROVICH LLC
Location Address400 AVE DOMENECH STE 506, LAS AMERICAS PROF CENTERSan Juan, PR 00918-0000
Mailing AddressPo Box 8465Caguas, PR 00726-8465 · (787) 754-8625 · Fax (787) 754-8648
Phone(787) 754-8625
Fax(787) 754-8648
Organization SubpartNo
Authorized OfficialGary G MontalvoDueno · (787) 754-8625
Enumeration DateJune 17, 2014
✔ NPI 1346654324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in PR · 5622
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
400 AVE DOMENECH STE 506, San Juan, PR 00918
Open in Google Maps ↗

Other Identifiers 1

Other5622PR · Lic

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gary G Montalvo Petrovich Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Gary G Montalvo Petrovich LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Gary Montalvo Petrovich, MD
Otolaryngology
NPI 1437157096
400 AVE DOMENECH STE 506
San Juan, PR 00918
(787) 754-8625
✔ PECOS✔ Accepts Medicare

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Gary G Montalvo Petrovich LLC's NPI number?

The NPI number for Gary G Montalvo Petrovich LLC is 1346654324. It was assigned to this organization in the NPPES registry on June 17, 2014.

Where is Gary G Montalvo Petrovich LLC located?

Gary G Montalvo Petrovich LLC is located at 400 Ave Domenech Ste 506 Las Americas Prof Center, San Juan, PR 00918. The listed phone number is (787) 754-8625.

What is Gary G Montalvo Petrovich LLC's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Gary G Montalvo Petrovich LLC enrolled in Medicare?

Yes. Gary G Montalvo Petrovich LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gary G Montalvo Petrovich LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Otolaryngology) reassigns their Medicare billing to Gary G Montalvo Petrovich LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gary G Montalvo Petrovich LLC was last updated on June 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.