DR. GARY GEORGE MONTALVO MD
NPI 1437157096
Otolaryngology in San Juan, PR

Q: What is Gary Montalvo's NPI number?

The NPI number for Gary Montalvo is 1437157096. It was assigned to this individual provider in the NPPES registry on July 8, 2005.

Q: What is Gary Montalvo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gary Montalvo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since July 08, 2005PECOS EnrolledAccepts Medicare Assignment

400 AVE DOMENECH, STE 506, SAN JUAN, PR 00918(787) 754-8625(787) 746-6650 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Gary George Montalvo Md NPPES

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

DR. GARY GEORGE MONTALVO MD (NPI 1437157096) is an individual otolaryngology provider in San Juan, Puerto Rico, licensed in Puerto Rico (5622) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Puerto Rico School Of Medicine (1976).

NPPES Registry Identity

NPI1437157096

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameDR. GARY GEORGE MONTALVOCredential: MD

Location Address400 AVE DOMENECH, STE 506San Juan, PR 00918-3710

Mailing Address400 Ave Domenech, Ste 506San Juan, PR 00918-3710 · (787) 754-8625 · Fax (787) 746-6650

Phone(787) 754-8625

Fax(787) 746-6650

Sole ProprietorNo

Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 1976

Enumeration DateJuly 8, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1437157096 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.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gary George Montalvo Md 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 ID4880781152

PECOS Enrollment IDI20071102000344

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.

Medicare Billing Reassignment

Medicare enrollment records show Gary Montalvo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gary G Montalvo Petrovich LLC

Otolaryngology

400 AVE DOMENECH STE 506, LAS AMERICAS PROF CENTER
San Juan, PR 00918

Reassigned Medicare billing, Puerto Rico enrollment

NPI 1346654324 (787) 754-8625

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

81 services65 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

66 services47 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

55 services55 patients

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

$70.88 typical visit price

range $18.24 – $140.44

Typical copayment $17.72 (range $4.56 – $35.11)

Most-billed visit code 99213

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 20

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

DR. WALDEMAR CHARLES RIOS M.D.

Internal Medicine

400 AVE DOMENECH, SUITE 607
SAN JUAN, PR 00918

San Juan Municipio (787) 250-0084

DR. EDLIN S BUITRAGO DMD, MPH, JD

Dentist (General Practice)

400 AVE DOMENECH, SUITE 411
SAN JUAN, PR 00918

San Juan Municipio (787) 751-7115

DR. RICARDO E RIVERA M.D.

Radiology (Diagnostic Radiology)

400 AVE DOMENECH, SUITE 101
SAN JUAN, PR 00918

San Juan Municipio (787) 705-5677

DR. EDGARDO MORALES SERRANO DPM

Podiatrist

400 AVE DOMENECH, LAS AMERICAS PROFESSIONAL CENTER SUITE 306
SAN JUAN, PR 00918

San Juan Municipio (787) 975-8192

MRS. LISANDRA HUERTAS

Pharmacy Technician

400 AVE DOMENECH
SAN JUAN, PR 00918

San Juan Municipio (787) 751-5366

ANTONIO MARTINEZ M.D.

Obstetrics & Gynecology

400 AVE DOMENECH, LAS AMERICAS PROFESSIONAL CENTER SUITE 510
SAN JUAN, PR 00918

San Juan Municipio (787) 765-4900

SAN JUAN PELVIC MEDICINE CENTER, P.S.C.

Obstetrics & Gynecology

400 AVE DOMENECH, SUITE 205
SAN JUAN, PR 00918

San Juan Municipio (787) 753-7174

DR. CESAR ANTONIO QUINONES MD

Dermatology

400 AVE DOMENECH, SUITE 605
SAN JUAN, PR 00918

San Juan Municipio (787) 764-8000

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 Montalvo's NPI number?

The NPI number for Gary Montalvo is 1437157096. It was assigned to this individual provider in the NPPES registry on July 8, 2005.

Where is Gary Montalvo located?

Gary Montalvo practices at 400 Ave Domenech Ste 506, San Juan, PR 00918. The listed phone number is (787) 754-8625.

What is Gary Montalvo's specialty?

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

Is Gary Montalvo enrolled in Medicare?

Yes. Gary Montalvo 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.

Which organization bills Medicare for Gary Montalvo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gary Montalvo reassigns Medicare benefits to Gary G Montalvo Petrovich LLC (San Juan, PR). The 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 Gary Montalvo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gary Montalvo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.