Federico Gregory-Gonzalez, M.D.
NPI 1376675843 · Internal Medicine Physician · Guaynabo, PR
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Federico Gregory-Gonzalez, M.D. is a Internal Medicine Physician provider in Guaynabo, PR (NPI 1376675843).
Provider details
- NPI number
- 1376675843
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14704 (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
19 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
178 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 58 | $125 |
| 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 | 36 | $56 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $88 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $163 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 13 | $424 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 1,373 | 369 |
| Esomeprazole Magnesium | 828 | 217 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 700 | 154 |
| Sucralfate | 684 | 208 |
| Pantoprazole Sodium | 521 | 180 |
| Glycopyrrolate | 486 | 194 |
| Linaclotidebrand: Linzess | 335 | 98 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$413 across 6 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
- 2007-03-11
- Last updated
- 2023-03-07
- Certified
- 2023-03-07
Frequently asked questions
- What is Federico Gregory-Gonzalez's NPI number?
- Federico Gregory-Gonzalez's National Provider Identifier (NPI) is 1376675843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Federico Gregory-Gonzalez's specialty?
- Federico Gregory-Gonzalez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Federico Gregory-Gonzalez located?
- Federico Gregory-Gonzalez's practice location on file with NPPES is Cond Madreselva, Guaynabo, PR 00968-3100.
- What is Federico Gregory-Gonzalez's phone number?
- The practice phone number listed in the NPPES registry for Federico Gregory-Gonzalez is (787) 671-6376.
- Does Federico Gregory-Gonzalez accept Medicare?
- Federico Gregory-Gonzalez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Federico Gregory-Gonzalez's NPI active?
- Yes — Federico Gregory-Gonzalez's NPI (1376675843) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.