NPPES file of Aug 9, 2026

Christopher M. Ruthruff, M.D.

Family Medicine Physician · Ionia, MI

Christopher M. Ruthruff, M.D. is a family medicine physician with a practice address in Ionia, Michigan, and NPI 1831144179, issued on May 24, 2006. Check the license (Michigan CR070864, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831144179
Name
Christopher M. Ruthruff
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
CR070864 MI
Self-reported in NPPES; status is on the state search
Practice location
550 E Washington St, Ionia, MI 48846
Phone
(616) 527-8293
Enumerated
May 24, 2006
Record last updated
Jan 19, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(616) 527-5718
Medicaid ID
104425019 MI
Medicare enrollment
Enrolled (PECOS I20100423000517); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 6,013 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.

  1. Jonathon Baxter, PA-CPhysician Assistant1417423526
  2. Victoria Hufnagel, LMSWClinical Social Worker1063354363
  3. Connie Huhn, NPFamily Nurse Practitioner1780186254
  4. Ronald Hyde, D.O.Surgery Physician1215127162
  5. Amy Jentz, M.D.Surgery Physician1831204601
  6. Aimee Johnson, FNP-CFamily Nurse Practitioner1710317763

Verify Christopher M. Ruthruff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license CR070864    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.2 times the Medicare Part D claims of the average family medicine physician in 2024

7,946 Medicare Part D claims for 507 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. 106 claims were for opioids.

  1. Christopher Ruthruff7,946
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium471 claims
  2. Rosuvastatin Calcium446 claims
  3. Amlodipine Besylate348 claims
  4. Lisinopril291 claims
  5. Levothyroxine Sodium225 claims
  6. Pantoprazole Sodium199 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.

Industry payments in 2024: $1,012.55

53 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Ruthruff$1,012.55
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Sparrow Ionia HospitalIonia, MI · Critical Access Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Christopher M. Ruthruff among 6,013 family medicine physician records in Michigan

Christopher M. Ruthruff, M.D. 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
  • Graduated1997 · median 2008 among the 3,493 with a school on file
  • Record last updated2010 · 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).

12 family medicine physician records list a practice address in Ionia

They are 12 of the 425 NPPES records with a practice address in Ionia, and 6,013 family medicine physician records in Michigan.

All 6,013 in Michigan → Every provider in Ionia → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. William Cunningham, D.O.Ionia, MI 488461760447668
  2. Michael Estes, M.D.Ionia, MI 488461851341499
  3. Sheila Gendich, M.D.Ionia, MI 488461124018536
  4. Donald Gingerich, D.O.Ionia, MI 488461043311772
  5. John Hildebrandt, M.D.Ionia, MI 488461598751968
  6. Vakar Khan, MDIonia, MI 488461548790561
  7. Alifa Mohamed, MDIonia, MI 488461245751908
  8. Jeremiah Palmer, DOIonia, MI 488461144966763

Common questions

What is Christopher M. Ruthruff, M.D.'s NPI number?

Christopher M. Ruthruff, M.D.'s National Provider Identifier (NPI) is 1831144179, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher M. Ruthruff, M.D. located?

The NPPES record lists a practice address at 550 E Washington St, Ionia, MI, 48846. Phone: (616) 527-8293. Providers update this record themselves, so call before visiting.

How can I verify Christopher M. Ruthruff, M.D.'s license?

NPPES lists Michigan license number CR070864, 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 Christopher M. Ruthruff, M.D. prescribe under Medicare Part D?

In 2024, Christopher M. Ruthruff, M.D. had 7,946 Medicare Part D claims for 507 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.