Ryan McNassor, MD
Orthopaedic Surgery Physician · Royal Oak, MI
Ryan McNassor, MD is an orthopaedic surgery physician with a practice address in Royal Oak, Michigan, and NPI 1255089942, issued on Mar 12, 2022. Check the license (Michigan 4351051021, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ryan McNassor
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 4351051021 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3601 W 13 Mile RD, Royal Oak, MI 48073
- Phone
- (248) 898-5000
- Enumerated
- Mar 12, 2022
- Record last updated
- Jun 10, 2023
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 962 in Michigan → Look up another NPI →
Also registered at 3601 W 13 Mile RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan McNassor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4351051021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
28 Medicare Part D claims for 15 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $891.34
13 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ryan McNassor among 962 orthopaedic surgery physician records in Michigan
Ryan McNassor, MD is one of 962 orthopaedic surgery 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 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 orthopaedic surgery physician records list a practice address in Royal Oak
They are 48 of the 3,887 NPPES records with a practice address in Royal Oak, and 962 orthopaedic surgery physician records in Michigan.
All 962 in Michigan → Every provider in Royal Oak → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Hassan Alosh, MDRoyal Oak, MI 480731871769208
- Lane Brown, M.D.Royal Oak, MI 480731548264922
- Paul Fortin, M.D.Royal Oak, MI 480731780688283
- Allan Grant, M.D.Royal Oak, MI 480731619971116
- Perry Greene, M.D.Royal Oak, MI 480731659373991
- Kimberly Les, M.D.Royal Oak, MI 480731114986478
- David Mayo, M.D.Royal Oak, MI 480731760484901
- David Montgomery, M.D.Royal Oak, MI 480731013911510
Common questions
What is Ryan McNassor, MD's NPI number?
Ryan McNassor, MD's National Provider Identifier (NPI) is 1255089942, issued on Mar 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ryan McNassor, MD located?
The NPPES record lists a practice address at 3601 W 13 Mile RD, Royal Oak, MI, 48073. Phone: (248) 898-5000. Providers update this record themselves, so call before visiting.
How can I verify Ryan McNassor, MD's license?
NPPES lists Michigan license number 4351051021, 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 Ryan McNassor, MD prescribe under Medicare Part D?
In 2024, Ryan McNassor, MD had 28 Medicare Part D claims for 15 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.