NPPES file of Aug 9, 2026

Ruth Hanshin Yoon, D.O.

Family Medicine Physician · Okemos, MI

Ruth Hanshin Yoon, D.O. is a family medicine physician with a practice address in Okemos, Michigan, and NPI 1366478695, issued on Jun 26, 2006. Check the license (Michigan 5101012633, 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
1366478695
Name
Ruth Hanshin Yoon
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5101012633 MI
Self-reported in NPPES; status is on the state search
Practice location
4265 Okemos RD, Okemos, MI 48864
Phone
(517) 349-3444
Enumerated
Jun 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(517) 349-4330
Medicaid ID
4351381 MI
Medicare enrollment
Enrolled (PECOS I20050726000964); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 1995
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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Also registered at 4265 Okemos RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Kalbfell, D.D.S.General Practice Dentistry1558461046
  2. Erminda Marinas, M.D.Family Medicine Physician1952571135

Verify Ruth Hanshin Yoon 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 5101012633
    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

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5% fewer Medicare Part D claims than the average family medicine physician in 2024

3,366 Medicare Part D claims for 282 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 51 claims were for opioids.

  1. Ruth Yoon3,366
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium235 claims
  2. Atorvastatin Calcium180 claims
  3. Lisinopril118 claims
  4. Metoprolol Succinate105 claims
  5. Losartan Potassium104 claims
  6. Amlodipine Besylate99 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: $401.55

19 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Ruth Yoon$401.55
  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.

Ruth Hanshin Yoon among 6,013 family medicine physician records in Michigan

Ruth Hanshin Yoon, D.O. 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
  • Graduated1995 · median 2008 among the 3,493 with a school on file
  • Record last updated2007 · 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).

33 family medicine physician records list a practice address in Okemos

They are 33 of the 1,487 NPPES records with a practice address in Okemos, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Maher Al-Sheikh, MDOkemos, MI 488641467565440
  2. Joseph Armovit, D.O.Okemos, MI 488641457308330
  3. Quinn Bosworth, DOOkemos, MI 488641063440592
  4. Kashmira Chinoy, M.D.Okemos, MI 488641831184928
  5. George Horn, MDOkemos, MI 488641245298603
  6. William Mangan, DOOkemos, MI 488641851392195
  7. Vicki Manzano, DOOkemos, MI 488641124006259
  8. Orlando Matias, D.OOkemos, MI 488641992773402

Common questions

What is Ruth Hanshin Yoon, D.O.'s NPI number?

Ruth Hanshin Yoon, D.O.'s National Provider Identifier (NPI) is 1366478695, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ruth Hanshin Yoon, D.O. located?

The NPPES record lists a practice address at 4265 Okemos RD, Okemos, MI, 48864. Phone: (517) 349-3444. Providers update this record themselves, so call before visiting.

How can I verify Ruth Hanshin Yoon, D.O.'s license?

NPPES lists Michigan license number 5101012633, 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 Ruth Hanshin Yoon, D.O. prescribe under Medicare Part D?

In 2024, Ruth Hanshin Yoon, D.O. had 3,366 Medicare Part D claims for 282 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.