Mark Thomas Ryan, D.O.
Orthopaedic Surgery Physician · Warren, MI
Mark Thomas Ryan, D.O. is an orthopaedic surgery physician with a practice address in Warren, Michigan, and NPI 1043338833, issued on Mar 27, 2007. Check the license (Michigan 5101016208, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mark Thomas Ryan
- Credential
- D.O.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 5101016208 MI
Self-reported in NPPES; status is on the state search - Practice location
- 25625 Schoenherr RD, Warren, MI 48089
- Phone
- (586) 759-4700
- Enumerated
- Mar 27, 2007
- Record last updated
- Sep 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (586) 759-1504
- Medicare enrollment
- Enrolled (PECOS I20090819000341); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2004
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 962 in Michigan → Look up another NPI →
Also registered at 25625 Schoenherr RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fremont Scott, DOOrthopaedic Surgery Physician1932172855
- Richard Scott, DOOrthopaedic Surgery of the Spine Physician1154309029
Verify Mark Thomas Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101016208Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
148 Medicare Part D claims for 81 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 57 claims were for opioids.
Most prescribed
- Oxycodone Hcl25 claims
- Methylprednisolone23 claims
- Hydrocodone-Acetaminophen13 claims
- Tramadol Hcl13 claims
- Methocarbamol12 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: $75.08
2 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. 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.
Bills Medicare through one group practice
- Henry Ford Macomb Hospital CorporationClinton Township, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Thomas Ryan among 962 orthopaedic surgery physician records in Michigan
Mark Thomas Ryan, D.O. 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2004 · median 2006 among the 560 with a school on file
- Record last updated2014 · 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).
Orthopaedic Surgery Physician providers in Michigan
There are 962 orthopaedic surgery physician records in Michigan.
All 962 in Michigan → Every provider in Warren → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Fremont Scott, DOWarren, MI 480891932172855
- Julie Henry-Kelly, MDWarren, MI 480881013951953
- Daniel Hoard, M.D.Warren, MI 480881003852898
- Gary Gilyard, MDWarren, MI 480921710967815
- Alan Biddinger, MD PHDTroy, MI 480851902902729
- Tyrone Cobb, MDTroy, MI 480851235110172
- Matthew Kopera, MDTroy, MI 480851750340170
- Peter Lasater, M.D.Warren, MI 480931356755433
Common questions
What is Mark Thomas Ryan, D.O.'s NPI number?
Mark Thomas Ryan, D.O.'s National Provider Identifier (NPI) is 1043338833, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Thomas Ryan, D.O. located?
The NPPES record lists a practice address at 25625 Schoenherr RD, Warren, MI, 48089. Phone: (586) 759-4700. Providers update this record themselves, so call before visiting.
How can I verify Mark Thomas Ryan, D.O.'s license?
NPPES lists Michigan license number 5101016208, 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 Mark Thomas Ryan, D.O. prescribe under Medicare Part D?
In 2024, Mark Thomas Ryan, D.O. had 148 Medicare Part D claims for 81 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.