1. Home
  2. Directory
  3. NPI Profile

DR. IVAN ANTUNEZ GONZALEZ M.D.
NPI 1962457408
Internal Medicine - Gastroenterology in Guaynabo, PR

Active since May 23, 2006PECOS EnrolledAccepts Medicare Assignment
67.09/100
CMS Quality Rating
PMB 311, NUM 35 JUAN C BORBON SUITE 67, GUAYNABO, PR 00969(787) 756-5900 Get Directions Write a Review

NPPES record last updated: September 17, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ivan Antunez Gonzalez M.d. NPPES

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

DR. IVAN ANTUNEZ GONZALEZ M.D. (NPI 1962457408) is an individual gastroenterology provider in Guaynabo, Puerto Rico, licensed in Puerto Rico (13434) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Auxilio Mutuo Hospital, and is a graduate of University Of Puerto Rico School Of Medicine (1993).

NPPES Registry Identity

NPI1962457408
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. IVAN ANTUNEZ GONZALEZCredential: M.D.
Location AddressPMB 311, NUM 35 JUAN C BORBON SUITE 67Guaynabo, PR 00969
Mailing AddressPmb 311, Num 35 Juan C Borbon Suite 67Guaynabo, PR 00969 · (787) 756-5900
Phone(787) 756-5900
Sole ProprietorYes
Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 1993
Enumeration DateMay 23, 2006
Last NPPES UpdateSeptember 17, 2012
✔ NPI 1962457408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in PR · 13434
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Other Names 1

Professional Name (2)Dr. Ivan Antunez Gonzalez M.d.

Other Identifiers 1

Medicare UPINH66204PR

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. Ivan Antunez Gonzalez 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 ID9436043817
PECOS Enrollment IDI20040209000705
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 Reassignments

2

Medicare enrollment records show Ivan Antunez Gonzalez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospital Espanol Auxilio Mutuo De Puerto Rico, Inc.
General Acute Care Hospital
735 AVE PONCE DE LEON, STOP 37.5
San Juan, PR 00917
  • Reassigned Medicare billing, Puerto Rico enrollment
  • Also billed through NPI 1487947214 (Puerto Rico)
  • 31 clinicians in this Medicare group
NPI 1376561522 (787) 758-2000
Mennonite General Hospital Inc
Specialist
CALLE JOSE C VAZQUEZ, BO CAONILLAS
Aibonito, PR 00705
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 205 clinicians in this Medicare group
NPI 1043347768 (787) 535-1001

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 5

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.

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.
45 services32 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
26 services16 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
25 services25 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.
17 services17 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Auxilio Mutuo Hospital

Acute Care Hospitals · San Juan, PR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number400016
LocationPonce De Leon Avenue 735 Stop 37 1/2San Juan, PR 00918 · San Juan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00969 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

67.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.73
Promoting Interoperability0
Improvement Activities40
Cost68.24

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers16 claims1,590 services$0.32 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers14 claims1,800 services$0.21 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers13 claims13 services$19.04 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
4 suppliers16 claims18 services$12.29 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Ivan Antunez Gonzalez's NPI number?

The NPI number for Ivan Antunez Gonzalez is 1962457408. It was assigned to this individual provider in the NPPES registry on May 23, 2006. The provider is also known as Dr. Ivan Antunez Gonzalez M.D..

Where is Ivan Antunez Gonzalez located?

Ivan Antunez Gonzalez practices at Pmb 311 Num 35 Juan C Borbon Suite 67, Guaynabo, PR 00969. The listed phone number is (787) 756-5900.

What is Ivan Antunez Gonzalez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Ivan Antunez Gonzalez enrolled in Medicare?

Yes. Ivan Antunez Gonzalez 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 organizations bill Medicare for Ivan Antunez Gonzalez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ivan Antunez Gonzalez reassigns Medicare benefits to 2 organizations: Hospital Espanol Auxilio Mutuo De Puerto Rico, Inc. (San Juan, PR) and Mennonite General Hospital Inc (Aibonito, PR). Each 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 Ivan Antunez Gonzalez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ivan Antunez Gonzalez affiliated with any hospitals?

According to CMS data, Ivan Antunez Gonzalez is affiliated with Auxilio Mutuo Hospital.

When was this NPI record last updated?

The NPPES record for Ivan Antunez Gonzalez was last updated on September 17, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.