Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

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

Active since July 08, 2005PECOS Enrolled
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: July 19, 2026.

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
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 Enrollment Status

Gary Montalvo is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Gary Montalvo is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 4880781152

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20071102000344

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

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

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.

This service was performed 66 times for 47 patients

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

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.

This service was performed 55 times for 55 patients

Removal of impacted ear wax

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.

This service was performed 81 times for 65 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $32.66 for a new patient copayment and $17.72 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 00918 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $130.65
  • Minimum New Patient Price $56.86
  • Maximum New Patient Price $172.44
  • Average New Patient Copayment $32.66
  • Minimum New Patient Copayment $14.21
  • Maximum New Patient Copayment $43.11

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $70.88
  • Minimum Established Patient Price $18.24
  • Maximum Established Patient Price $140.44
  • Average Established Patient Copayment $17.72
  • Minimum Established Patient Copayment $4.56
  • Maximum Established Patient Copayment $35.11

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Internal Medicine
400 AVE DOMENECH, STE 413
SAN JUAN, PR 00918
Internal Medicine
400 AVE DOMENECH, SUITE 607
SAN JUAN, PR 00918
Podiatrist
400 AVE DOMENECH, LAS AMERICAS PROFESSIONAL CENTER SUITE 306
SAN JUAN, PR 00918
Obstetrics & Gynecology
400 AVE DOMENECH, LAS AMERICAS PROFESSIONAL CENTER SUITE 510
SAN JUAN, PR 00918
Urology
400 AVE DOMENECH, 406
SAN JUAN, PR 00918
Dermatology
400 AVE DOMENECH, SUITE 605
SAN JUAN, PR 00918
Obstetrics & Gynecology
400 AVE DOMENECH, SUITE 205
SAN JUAN, PR 00918
Pharmacy Technician
400 AVE DOMENECH
SAN JUAN, PR 00918
Pharmacy Technician
400 AVE DOMENECH
SAN JUAN, PR 00918
Pharmacist
400 AVE DOMENECH
SAN JUAN, PR 00918
Pharmacy Technician
400 AVE DOMENECH
SAN JUAN, PR 00918
Clinic/Center (Mental Health (Including Community Mental Health Center))
400 AVE DOMENECH, SUITE 701
SAN JUAN, PR 00918
Audiologist
400 AVE DOMENECH, LAS AMERICAS PROFESSIONAL CENTER OF. 206
SAN JUAN, PR 00918
Ophthalmology
400 AVE DOMENECH, LAS AMERICAS PROFESIONAL CENTER SUITE 202
SAN JUAN, PR 00918
Podiatrist
400 AVE DOMENECH, STE 508
SAN JUAN, PR 00918
Surgery
400 AVE DOMENECH, SUITE 402 LAS AMERICAS PROFF. CENTER
SAN JUAN, PR 00918
Internal Medicine (Pulmonary Disease)
400 AVE DOMENECH, STE 210
SAN JUAN, PR 00918
Psychiatry & Neurology (Neurology)
400 AVE DOMENECH, SUITE 407
SAN JUAN, PR 00918
Clinical Medical Laboratory
400 AVE DOMENECH, LAS AMERICAS PROFESSIONAL CENTER
SAN JUAN, PR 00918

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437157096, enumerated as an "individual" on July 08, 2005.

The provider is located at 400 AVE DOMENECH STE 506 SAN JUAN, PR 00918 and the phone number is (787) 754-8625.

Otolaryngology with taxonomy code 207Y00000X.