Sena Rae St John, D.O.
Internal Medicine Physician · Ionia, MI
Sena Rae St John, D.O. is an internal medicine physician with a practice address in Ionia, Michigan, and NPI 1437443033, issued on Jun 1, 2011. Check the license (Michigan 5101019485, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Sena Rae St John
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101019485 MI
Self-reported in NPPES; status is on the state search - Practice location
- 550 E Washington St, Ionia, MI 48846
- Phone
- (616) 523-1601
- Enumerated
- Jun 1, 2011
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180109001106); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 550 E Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathon Baxter, PA-CPhysician Assistant1417423526
- Victoria Hufnagel, LMSWClinical Social Worker1063354363
- Connie Huhn, NPFamily Nurse Practitioner1780186254
- Ronald Hyde, D.O.Surgery Physician1215127162
- Amy Jentz, M.D.Surgery Physician1831204601
- Aimee Johnson, FNP-CFamily Nurse Practitioner1710317763
Verify Sena Rae St John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101019485Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,608 Medicare Part D claims for 939 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 340 claims were for opioids.
Most prescribed
- Atorvastatin Calcium566 claims
- Losartan Potassium226 claims
- Amlodipine Besylate210 claims
- Levothyroxine Sodium200 claims
- Hydrocodone-Acetaminophen198 claims
- Lisinopril186 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sena Rae St John among 5,735 internal medicine physician records in Michigan
Sena Rae St John, D.O. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 57% of them.
- NPI issued2011 · 57% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2011 · median 2006 among the 3,564 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Michigan
There are 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Ionia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bhuvaraghamurthy Thangamani, M.D.Ionia, MI 488461841385614
- Aaron Daniel, M.D.Howell, MI 488431164434718
- Shruti Devineni, DOHowell, MI 488431053873539
- Sara Husain, MDHowell, MI 488431689908501
- Carranda Koop, M.D.Howell, MI 488431023437456
- Jacqueleen Magon, MDHowell, MI 488431992742464
- Zehra Noorani, M. D.Howell, MI 488431427091032
- Syed Shahab, M. D.Howell, MI 488431912940123
Common questions
What is Sena Rae St John, D.O.'s NPI number?
Sena Rae St John, D.O.'s National Provider Identifier (NPI) is 1437443033, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Sena Rae St John, D.O. located?
The NPPES record lists a practice address at 550 E Washington St, Ionia, MI, 48846. Phone: (616) 523-1601. Providers update this record themselves, so call before visiting.
How can I verify Sena Rae St John, D.O.'s license?
NPPES lists Michigan license number 5101019485, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sena Rae St John, D.O. prescribe under Medicare Part D?
In 2024, Sena Rae St John, D.O. had 6,608 Medicare Part D claims for 939 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.