Fermin Rankin, MD
NPI 1245728732 · Family Medicine Physician · Owosso, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fermin Rankin, MD is a Family Medicine Physician provider in Owosso, MI (NPI 1245728732).
Provider details
- NPI number
- 1245728732
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301508628 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 44 | 22 |
| Atorvastatin Calcium | 40 | 28 |
| Metformin Hcl | 32 | 18 |
| Naproxen | 32 | 19 |
| Gabapentin | 29 | 14 |
| Omeprazole | 22 | 15 |
| Rosuvastatin Calcium | 22 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$178 across 8 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
- 2018-04-30
- Last updated
- 2025-03-07
- Certified
- 2025-03-07
Frequently asked questions
- What is Fermin Rankin's NPI number?
- Fermin Rankin's National Provider Identifier (NPI) is 1245728732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fermin Rankin's specialty?
- Fermin Rankin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fermin Rankin located?
- Fermin Rankin's practice location on file with NPPES is 200 N Caledonia Dr, Owosso, MI 48867-8844.
- What is Fermin Rankin's phone number?
- The practice phone number listed in the NPPES registry for Fermin Rankin is (989) 623-0137.
- Does Fermin Rankin accept Medicare?
- Fermin Rankin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fermin Rankin's NPI active?
- Yes — Fermin Rankin's NPI (1245728732) is active in the NPPES registry as of the last update on 2025-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.