Grace Yoon, MD
Family Medicine Physician · Muskogee, OK
Grace Yoon, MD is a family medicine physician with a practice address in Muskogee, Oklahoma, and NPI 1518454511, issued on Apr 16, 2018. Check the license (Oklahoma 33841, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Grace Yoon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 33841 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1001 S 41St St E, Muskogee, OK 74403
- Phone
- (918) 781-6500
- Enumerated
- Apr 16, 2018
- Record last updated
- Aug 31, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211019002010); may accept Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,303 in Oklahoma → Look up another NPI →
Also registered at 1001 S 41St St E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Grace Yoon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 33841Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,719 Medicare Part D claims for 199 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Omeprazole451 claims
- Fluticasone Propionate275 claims
- Lisinopril273 claims
- Synthroid253 claims
- Atorvastatin Calcium243 claims
- Losartan Potassium239 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Grace Yoon among 2,303 family medicine physician records in Oklahoma
Grace Yoon, MD is one of 2,303 family medicine physician records with a practice address in Oklahoma. 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 2018, is newer than 80% of them.
- NPI issued2018 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2018 · median 2008 among the 1,407 with a school on file
- Record last updated2021 · 60% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 family medicine physician records list a practice address in Muskogee
They are 31 of the 1,769 NPPES records with a practice address in Muskogee, and 2,303 family medicine physician records in Oklahoma.
All 2,303 in Oklahoma → Every provider in Muskogee → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Constance Baker, MDMuskogee, OK 744031598415200
- Dona Davis, ARNPMuskogee, OK 744031528071032
- Harold Demoss, M.D.Muskogee, OK 744031245227420
- Jimmie Hill, DOMuskogee, OK 744031528396546
- Diane Johnston, M.D.Muskogee, OK 744031861597197
- Gary Lambert, DOMuskogee, OK 744031619068715
- Leticea Newton, MDMuskogee, OK 744031265422281
- Patrice Pace, DOMuskogee, OK 744031164561270
Common questions
What is Grace Yoon, MD's NPI number?
Grace Yoon, MD's National Provider Identifier (NPI) is 1518454511, issued on Apr 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Grace Yoon, MD located?
The NPPES record lists a practice address at 1001 S 41St St E, Muskogee, OK, 74403. Phone: (918) 781-6500. Providers update this record themselves, so call before visiting.
How can I verify Grace Yoon, MD's license?
NPPES lists Oklahoma license number 33841, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grace Yoon, MD prescribe under Medicare Part D?
In 2024, Grace Yoon, MD had 7,719 Medicare Part D claims for 199 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Grace Yoon, MD's MIPS final score?
The 2023 MIPS final score is 78.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.