Sena St John, D.O.
NPI 1437443033 · Internal Medicine Physician · Ionia, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sena St John, D.O. is a Internal Medicine Physician provider in Ionia, MI (NPI 1437443033).
Provider details
- NPI number
- 1437443033
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 5101019485 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 566 | 226 |
| Losartan Potassium | 226 | 95 |
| Amlodipine Besylate | 210 | 96 |
| Levothyroxine Sodium | 200 | 79 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 198 | 64 |
| Lisinopril | 186 | 81 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-01
- Last updated
- 2021-12-21
- Certified
- 2021-12-21
Frequently asked questions
- What is Sena St John's NPI number?
- Sena St John's National Provider Identifier (NPI) is 1437443033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sena St John's specialty?
- Sena St John is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sena St John located?
- Sena St John's practice location on file with NPPES is 550 E Washington St, Ionia, MI 48846-2202.
- What is Sena St John's phone number?
- The practice phone number listed in the NPPES registry for Sena St John is (616) 523-1601.
- Does Sena St John accept Medicare?
- Sena St John is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sena St John's NPI active?
- Yes — Sena St John's NPI (1437443033) is active in the NPPES registry as of the last update on 2021-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.