Greg Peter Watchmaker, MD
Orthopaedic Hand Surgery Physician · Mequon, WI
Greg Peter Watchmaker, MD is an orthopaedic hand surgery physician with a practice address in Mequon, Wisconsin, and NPI 1275564221, issued on Jul 6, 2006. Check the license (Wisconsin 37648, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Greg Peter Watchmaker
- Credential
- MD
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- 37648 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1535 W Market St, Mequon, WI 53092
- Phone
- (262) 241-9224
- Enumerated
- Jul 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (262) 241-9228
- Medicaid ID
- 32228800 WI
- Medicare enrollment
- Enrolled (PECOS I20040325000654); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 56 in Wisconsin → Look up another NPI →
Also registered at 1535 W Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheri Cayon, OTR, CHTHand Occupational Therapist1639378433
- Shron Christman-Powell, HCPSurgical Technologist1083782148
- Randy Dahl, OTRHand Occupational Therapist1306871520
Verify Greg Peter Watchmaker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average orthopaedic hand surgery physician in 2024
310 Medicare Part D claims for 214 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Cephalexin150 claims
- Celecoxib85 claims
- Hydrocodone-Acetaminophen22 claims
- Acetaminophen-Codeine14 claims
- Sulfamethoxazole-Trimethoprim14 claims
- Methylprednisolone12 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Milwaukee Hand Center S CMequon, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Greg Peter Watchmaker among 56 orthopaedic hand surgery physician records in Wisconsin
Greg Peter Watchmaker, MD is one of 56 orthopaedic hand surgery physician records with a practice address in Wisconsin. 91% 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, 43% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1989 · median 2004 among the 44 with a school on file
- Record last updated2007 · 39% 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 Wisconsin 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 Wisconsin
There are 56 orthopaedic hand surgery physician records in Wisconsin.
All 56 in Wisconsin → Every provider in Mequon → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- John Siegert, M.D.Mequon, WI 530921013989185
- Laith Al-Shihabi, M.D.Pewaukee, WI 530721861713265
- Jeffrey Coppage, M.D.Pewaukee, WI 530721528382413
- James Foley, M.D.Pewaukee, WI 530721659467132
- David Merkow, MDPewaukee, WI 530721265939532
- Dennis Andersen, M.D.Franklin, WI 531321831123249
- David Clark, MDFranklin, WI 531321801958434
- Mysore Shivaram, MDFranklin, WI 531321750318903
Common questions
What is Greg Peter Watchmaker, MD's NPI number?
Greg Peter Watchmaker, MD's National Provider Identifier (NPI) is 1275564221, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Greg Peter Watchmaker, MD located?
The NPPES record lists a practice address at 1535 W Market St, Mequon, WI, 53092. Phone: (262) 241-9224. Providers update this record themselves, so call before visiting.
How can I verify Greg Peter Watchmaker, MD's license?
NPPES lists Wisconsin license number 37648, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Greg Peter Watchmaker, MD prescribe under Medicare Part D?
In 2024, Greg Peter Watchmaker, MD had 310 Medicare Part D claims for 214 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. Part D covers Medicare prescriptions only.
What is Greg Peter Watchmaker, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.