Fernando Gamarra, MD
NPI 1457473654 · Gastroenterology Physician · Clinton Twp, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fernando Gamarra, MD is a Gastroenterology Physician provider in Clinton Twp, MI (NPI 1457473654).
Provider details
- NPI number
- 1457473654
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301088745 (MI)
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
450 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 101 | $267 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 87 | $134 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 50 | $185 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 49 | $84 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 42 | $116 |
| Biopsy of Large Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 205 | 53 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 138 | 137 |
| Pantoprazole Sodium | 118 | 44 |
| Linaclotidebrand: Linzess | 49 | 16 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 46 | 46 |
| Lubiprostone | 43 | — |
| Famotidine | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,733 across 134 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
- 2007-04-06
- Last updated
- 2022-07-21
Frequently asked questions
- What is Fernando Gamarra's NPI number?
- Fernando Gamarra's National Provider Identifier (NPI) is 1457473654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fernando Gamarra's specialty?
- Fernando Gamarra is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Fernando Gamarra located?
- Fernando Gamarra's practice location on file with NPPES is 37399 Garfield Rd Ste 104, Clinton Twp, MI 48036-3672.
- What is Fernando Gamarra's phone number?
- The practice phone number listed in the NPPES registry for Fernando Gamarra is (586) 286-5400.
- Does Fernando Gamarra accept Medicare?
- Fernando Gamarra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fernando Gamarra's NPI active?
- Yes — Fernando Gamarra's NPI (1457473654) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.