Ivan Antunez Gonzalez, M.D.
NPI 1962457408 · Gastroenterology Physician · Guaynabo, PR
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ivan Antunez Gonzalez, M.D. is a Gastroenterology Physician provider in Guaynabo, PR (NPI 1962457408).
Provider details
- NPI number
- 1962457408
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 13434 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
125 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $89 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 26 | $94 |
| 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 MonitoG0500 | 25 | $56 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 17 | $109 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 12 | $322 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 347 | 131 |
| Tacrolimus | 195 | 39 |
| Famotidine | 188 | 54 |
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 115 | 107 |
| Mycophenolate Mofetil | 106 | 24 |
| Midazolam Hcl/Pfbrand: Midazolam Hcl | 86 | 81 |
| Prednisone | 85 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$723 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-23
- Last updated
- 2012-09-17
Frequently asked questions
- What is Ivan Antunez Gonzalez's NPI number?
- Ivan Antunez Gonzalez's National Provider Identifier (NPI) is 1962457408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ivan Antunez Gonzalez's specialty?
- Ivan Antunez Gonzalez is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ivan Antunez Gonzalez located?
- Ivan Antunez Gonzalez's practice location on file with NPPES is Pmb 311, Guaynabo, PR 00969.
- What is Ivan Antunez Gonzalez's phone number?
- The practice phone number listed in the NPPES registry for Ivan Antunez Gonzalez is (787) 756-5900.
- Does Ivan Antunez Gonzalez accept Medicare?
- Ivan Antunez Gonzalez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ivan Antunez Gonzalez's NPI active?
- Yes — Ivan Antunez Gonzalez's NPI (1962457408) is active in the NPPES registry as of the last update on 2012-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.