Doctor profile · Federal record

Dr. Donald Sipes, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Green Bay, WI

  • NPI 1225145428
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2845 Greenbrier RD, #430
Green Bay, WI 543088900
(920) 288-8400
fax (920) 288-8462
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 19, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Wisconsin #34379
Medicaid
WI #31934000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225145428. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
55
Distinct HCPCS
2
Medicare allowed
$3,875
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 38 33 $85
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 17 17 $37

In context: peer comparison

Among 5 peers in this city , average services per provider: 31. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
343
Patients
40
Total drug cost
$12,314
Drug Type Claims Patients Total cost
Bisoprolol-Hydrochlorothiazide (Bisoprolol/Hydrochlorothiazide) Brand 52 17 $2,228
Simvastatin Generic 45 12 $544
Atorvastatin Calcium Generic 41 11 $492
Fluoxetine Hcl Generic 21 0 $146
Estradiol Generic 20 0 $898
Levothyroxine Sodium Generic 19 0 $174
Ibandronate Sodium Generic 18 0 $417
Premarin (Estrogens, Conjugated) Brand 18 0 $5,161
Pantoprazole Sodium Generic 17 0 $200
Triamterene-Hydrochlorothiazid (Triamterene/Hydrochlorothiazid) Brand 17 0 $227

Frequently asked questions

Auto-generated from federal data
What is Dr. Donald Sipes's medical specialty?
Dr. Donald Sipes practices Obstetrics & Gynecology Physician in Green Bay, WI.
Where does Dr. Donald Sipes practice?
Dr. Donald Sipes practices at 2845 Greenbrier RD, Green Bay, WI 543088900. Office phone: 9202888400.
What is Dr. Donald Sipes's NPI?
Dr. Donald Sipes's National Provider Identifier (NPI) is 1225145428, issued by NPPES.
Does Dr. Donald Sipes accept Medicare assignment?
Yes. Dr. Donald Sipes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Sipes commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.