John B. Rasor, DO
Family Medicine Physician · Howell, MI
John B. Rasor, DO is a family medicine physician with a practice address in Howell, Michigan, and NPI 1124089800, issued on Mar 31, 2006. Check the license (Michigan 5101009380, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John B. Rasor
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5101009380 MI
Self-reported in NPPES; status is on the state search - Practice location
- Trinity Health Iha Medical Group Primary Care Howell, Howell, MI 48843
- Phone
- (517) 234-6540
- Enumerated
- Mar 31, 2006
- Record last updated
- Apr 29, 2024
- Fax
- (517) 338-9083
- Medicare enrollment
- Enrolled (PECOS I20040331000549); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Verify John B. Rasor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101009380Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average family medicine physician in 2024
7,141 Medicare Part D claims for 365 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 878 claims were for opioids.
Most prescribed
- Atorvastatin Calcium293 claims
- Hydrocodone-Acetaminophen270 claims
- Albuterol Sulfate Hfa258 claims
- Lisinopril247 claims
- Levothyroxine Sodium219 claims
- Amlodipine Besylate184 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
- Iha Health Services CorporationChelsea, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John B. Rasor among 6,013 family medicine physician records in Michigan
John B. Rasor, DO is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1985 · median 2008 among the 3,493 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 family medicine physician records list a practice address in Howell
They are 22 of the 1,026 NPPES records with a practice address in Howell, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Howell → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Bassel Atasi, MMDHowell, MI 488431952507055
- Robert Camara, D.O.Howell, MI 488431942207931
- Jodi Farley, MDHowell, MI 488431861784514
- Warren Garr, M.D.Howell, MI 488431225051998
- Jeffrey Huotari, MDHowell, MI 488431770614000
- Kathleen Knapp, D.O.Howell, MI 488431891776100
- Julia Kovtsun, MDHowell, MI 488431770077679
- Douglas McLearon, M.D.Howell, MI 488431649293325
Common questions
What is John B. Rasor, DO's NPI number?
John B. Rasor, DO's National Provider Identifier (NPI) is 1124089800, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John B. Rasor, DO located?
The NPPES record lists a practice address at Trinity Health Iha Medical Group Primary Care Howell, Howell, MI, 48843. Phone: (517) 234-6540. Providers update this record themselves, so call before visiting.
How can I verify John B. Rasor, DO's license?
NPPES lists Michigan license number 5101009380, 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 John B. Rasor, DO prescribe under Medicare Part D?
In 2024, John B. Rasor, DO had 7,141 Medicare Part D claims for 365 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.