Doctor profile · Federal record

Dr. Sara Riegert, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Fond du LAC, WI

  • NPI 1013908664
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
420 E Division St
Fond du LAC, WI 549354560
(920) 926-8450

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
December 16, 2020
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Wisconsin #47969
Medicaid
WI #34648400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013908664. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
32
Distinct HCPCS
2
Medicare allowed
$1,862
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 16 13 $79
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 16 16 $37

In context: peer comparison

Among 5 peers in this city , average services per provider: 20. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 1 $16.54

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
230
Patients
27
Total drug cost
$21,624
Drug Type Claims Patients Total cost
Estradiol Generic 88 27 $9,452
Medroxyprogesterone Acetate Generic 34 0 $328
Estradiol (Twice Weekly) (Estradiol) Brand 26 0 $3,323
Estradiol (Once Weekly) (Estradiol) Brand 23 0 $2,600
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 16 0 $668
Premarin (Estrogens, Conjugated) Brand 16 0 $4,549
Clobetasol Propionate Generic 15 0 $375
Tolterodine Tartrate Er (Tolterodine Tartrate) Brand 12 0 $330

Frequently asked questions

Auto-generated from federal data
What is Dr. Sara Riegert's medical specialty?
Dr. Sara Riegert practices Obstetrics & Gynecology Physician in Fond du LAC, WI.
Where does Dr. Sara Riegert practice?
Dr. Sara Riegert practices at 420 E Division St, Fond du LAC, WI 549354560. Office phone: 9209268450.
What is Dr. Sara Riegert's NPI?
Dr. Sara Riegert's National Provider Identifier (NPI) is 1013908664, issued by NPPES.
Does Dr. Sara Riegert accept Medicare assignment?
Yes. Dr. Sara Riegert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sara Riegert 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.