Doctor profile · Federal record

Dr. Greg Watchmaker, MD

Orthopaedic Hand Surgery Physician (CMS: Hand Surgery) · Mequon, WI

  • NPI 1275564221
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1535 W Market St
Mequon, WI 530925053
(262) 241-9224
fax (262) 241-9228

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207XS0106X — NUCC code
State license (1)
Wisconsin #37648
Medicaid
WI #32228800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275564221. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,219
Distinct HCPCS
10
Medicare allowed
$194,546
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 491 349 $85
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 408 284 $1
20550 Injection into tendon or ligament 256 181 $48
99203 New patient office or other outpatient visit, 30-44 minutes 200 200 $105
99214 Established patient office or other outpatient visit, 30-39 minutes 182 155 $120
73110 X-ray of wrist, minimum of 3 views 158 101 $39
99204 New patient office or other outpatient visit, 45-59 minutes 130 130 $155
20605 Aspiration and/or injection of fluid from medium joint 117 91 $48
73140 X-ray of finger, minimum of 2 views 78 62 $36
64721 Release and/or relocation of hand nerve 33 30 $387

In context: peer comparison

Among 1 peers in Mequon Orthopaedic Hand Surgery Physician, average services per provider: 123. This provider delivers 18× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
292
Patients
261
Total drug cost
$1,413
Drug Type Claims Patients Total cost
Cephalexin Generic 144 122 $508
Celecoxib Generic 63 60 $606
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 41 40 $116
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 31 27 $57
Methylprednisolone Generic 13 12 $126

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Greg Watchmaker's medical specialty?
Dr. Greg Watchmaker practices Orthopaedic Hand Surgery Physician in Mequon, WI.
Where does Dr. Greg Watchmaker practice?
Dr. Greg Watchmaker practices at 1535 W Market St, Mequon, WI 530925053. Office phone: 2622419224.
What is Dr. Greg Watchmaker's NPI?
Dr. Greg Watchmaker's National Provider Identifier (NPI) is 1275564221, issued by NPPES.
Does Dr. Greg Watchmaker accept Medicare assignment?
Yes. Dr. Greg Watchmaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg Watchmaker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Injection into tendon or ligament (HCPCS 20550). Source: CMS Medicare Physician & Other Practitioners file.