Doctor profile · Federal record

Dr. Robert Greytak, DPM

Podiatrist (CMS: Podiatry) · Sun Prairie, WI

  • NPI 1548226079
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10 Tower Dr
Sun Prairie, WI 535901239
(608) 825-3008
fax (608) 825-3707

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
November 17, 2020
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
213E00000X — NUCC code
State license (1)
Wisconsin #557-025
Medicaid
WI #1548226079

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548226079. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,113
Distinct HCPCS
10
Medicare allowed
$91,611
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 370 172 $85
11721 Removal of fingernails or toenails, 6 or more nails 294 140 $43
99214 Established patient office or other outpatient visit, 30-39 minutes 138 86 $120
99203 New patient office or other outpatient visit, 30-44 minutes 77 77 $104
11056 Removal of noncancer thickened skin growth, 2-4 growths 69 41 $79
99204 New patient office or other outpatient visit, 45-59 minutes 49 49 $158
11055 Removal of noncancer thickened skin growth, 1 growth 40 32 $68
11042 Removal of skin and tissue, 20.0 sq cm or less 32 17 $123
97597 Removal of tissue from wound, 20.0 sq cm or less 22 13 $97
99212 Established patient office or other outpatient visit, 10-19 minutes 22 17 $52

In context: peer comparison

Among 1 peers in this city , average services per provider: 111. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$408
Transactions
10
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
MIMEDX Group, Inc. 6 $332.36
Urgo Medical North America, LLC 3 $60.97
TREACE MEDICAL CONCEPTS, INC. 1 $14.82

By nature of payment

Food and Beverage
$408

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
95
Patients
44
Total drug cost
$1,603
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 38 29 $426
Cephalexin Generic 19 15 $135
Ciclopirox Generic 19 0 $358
Nitroglycerin Patch (Nitroglycerin) Brand 19 0 $685

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Greytak's medical specialty?
Dr. Robert Greytak practices Podiatrist in Sun Prairie, WI.
Where does Dr. Robert Greytak practice?
Dr. Robert Greytak practices at 10 Tower Dr, Sun Prairie, WI 535901239. Office phone: 6088253008.
What is Dr. Robert Greytak's NPI?
Dr. Robert Greytak's National Provider Identifier (NPI) is 1548226079, issued by NPPES.
Does Dr. Robert Greytak accept Medicare assignment?
Yes. Dr. Robert Greytak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Greytak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Removal of fingernails or toenails, 6 or more nails (HCPCS 11721); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.