William Feinstein, M.D.
Orthopaedic Hand Surgery Physician · Saint Louis, MO
William Feinstein, M.D. is an orthopaedic hand surgery physician with a practice address in Saint Louis, Missouri, and NPI 1144373341, issued on Jan 19, 2007. Check the license (Missouri 2000155783, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William Feinstein
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- 2000155783 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1050 Old Des Peres RD, Saint Louis, MO 63131
- Phone
- (314) 569-0612
- Enumerated
- Jan 19, 2007
- Record last updated
- Mar 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (314) 569-0618
- Medicaid ID
- 205676406 MO
- Medicare enrollment
- Enrolled (PECOS I20210322001405); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 39 in Missouri → Look up another NPI →
Also registered at 1050 Old Des Peres RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- R Aaranson, D.P.M.Podiatrist1407840184
- Robert Bell, MDOrthopaedic Hand Surgery Physician1851371082
- Brian Bradley, P.T.Physical Therapist1063590354
- James Burke, M.D.Orthopaedic Surgery Physician1841292703
- Cynthia Byler, D.O.Occupational Medicine Physician1649373994
- Bethanie Dinan, P.A.Physician Assistant1568682375
Verify William Feinstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2000155783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average orthopaedic hand surgery physician in 2024
232 Medicare Part D claims for 193 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. 201 claims were for opioids.
Most prescribed
- Tramadol Hcl-Acetaminophen169 claims
- Cephalexin12 claims
- Oxycodone-Acetaminophen12 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): 88.9 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).
Industry payments in 2024: $766.56
13 payments; by number, the most common kind was food and beverage; the largest payer was Sonex Health, Inc. The 1,819 providers of this specialty with any payment received $5,529.86 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
- Orthopedic Associates LLCColumbia, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Feinstein among 39 orthopaedic hand surgery physician records in Missouri
William Feinstein, M.D. is one of 39 orthopaedic hand surgery physician records with a practice address in Missouri. 87% 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 33% of them.
- NPI issued2007 · 33% of these records are older, 49% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1993 · median 2008 among the 30 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in Missouri
There are 39 orthopaedic hand surgery physician records in Missouri.
All 39 in Missouri → Every provider in Saint Louis → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Robert Bell, MDSaint Louis, MO 631311851371082
- Nathan Fisher, D.O.Saint Louis, MO 631281003231853
- Nathanael OlsonSaint Louis, MO 631281033564760
- Bruce Schlafly, MDSaint Louis, MO 631281518969963
- Aaron Weber, D.O.Saint Louis, MO 631281164758470
- Colleen Glisson, M.D.Saint Louis, MO 631411811181308
- Schuyler Halverson, MDSaint Louis, MO 631411154764116
- Tyler Krummenacher, M.D.Saint Louis, MO 631411851621460
Common questions
What is William Feinstein, M.D.'s NPI number?
William Feinstein, M.D.'s National Provider Identifier (NPI) is 1144373341, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Feinstein, M.D. located?
The NPPES record lists a practice address at 1050 Old Des Peres RD, Saint Louis, MO, 63131. Phone: (314) 569-0612. Providers update this record themselves, so call before visiting.
How can I verify William Feinstein, M.D.'s license?
NPPES lists Missouri license number 2000155783, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Feinstein, M.D. prescribe under Medicare Part D?
In 2024, William Feinstein, M.D. had 232 Medicare Part D claims for 193 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. Part D covers Medicare prescriptions only.
What is William Feinstein, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.9 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.