Robert Michael Williams, MD
Orthopaedic Surgery Physician · Chelsea, MI
Robert Michael Williams, MD is an orthopaedic surgery physician with a practice address in Chelsea, Michigan, and NPI 1407878093, issued on Jul 24, 2006. Check the license (Michigan 4301074263, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Robert Michael Williams
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 4301074263 MI
Self-reported in NPPES; status is on the state search - Practice location
- 14650 E. Old US Hwy 12, Chelsea, MI 48118
- Phone
- (734) 593-5700
- Enumerated
- Jul 24, 2006
- Record last updated
- Jun 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (734) 593-5705
- Medicare enrollment
- Enrolled (PECOS I20060725000239); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1999
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 962 in Michigan → Look up another NPI →
Also registered at 14650 E. Old US Hwy 12
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Morgan Broekhuizen, PAPhysician Assistant1598210544
- Creg Carpenter, MDOrthopaedic Surgery Physician1861501744
- Andrew Moore, MDOrthopaedic Surgery Physician1437374931
- Mark Pinto, MDOrthopaedic Surgery Physician1033228903
- Scott Thompson, PAPhysician Assistant1801902119
- Rebecca Turner, PAPhysician Assistant1326127945
Verify Robert Michael Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301074263Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
207 Medicare Part D claims for 128 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. 127 claims were for opioids.
Most prescribed
- Oxycodone Hcl58 claims
- Hydrocodone-Acetaminophen50 claims
- Naproxen24 claims
- Meloxicam14 claims
- Tramadol Hcl14 claims
- Amoxicillin13 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: $53.74
2 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals US, 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
- Iha Health Services CorporationChelsea, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Michael Williams among 962 orthopaedic surgery physician records in Michigan
Robert Michael Williams, 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% 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
- Graduated1999 · median 2006 among the 560 with a school on file
- Record last updated2018 · 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).
5 orthopaedic surgery physician records list a practice address in Chelsea
They are 5 of the 500 NPPES records with a practice address in Chelsea, and 962 orthopaedic surgery physician records in Michigan.
All 962 in Michigan → Every provider in Chelsea → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Creg Carpenter, MDChelsea, MI 481181861501744
- William Lee, MDChelsea, MI 481181659480507
- Andrew Moore, MDChelsea, MI 481181437374931
- Mark Pinto, MDChelsea, MI 481181033228903
- David Patterson, M.D.Brighton, MI 481161265697932
- John Anderson, MDBrighton, MI 481141245377837
- Laith Farjo, M.D.Brighton, MI 481141043279235
- Benjamin Harper, MDBrighton, MI 481141609073287
Common questions
What is Robert Michael Williams, MD's NPI number?
Robert Michael Williams, MD's National Provider Identifier (NPI) is 1407878093, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Michael Williams, MD located?
The NPPES record lists a practice address at 14650 E. Old US Hwy 12, Chelsea, MI, 48118. Phone: (734) 593-5700. Providers update this record themselves, so call before visiting.
How can I verify Robert Michael Williams, MD's license?
NPPES lists Michigan license number 4301074263, 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 Robert Michael Williams, MD prescribe under Medicare Part D?
In 2024, Robert Michael Williams, MD had 207 Medicare Part D claims for 128 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.