Doctor profile · Federal record

Dr. Megan Sauer, DO

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics Physician · Alton, IL

  • NPI 1144753237
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Professional Dr
Alton, IL 620025068
(618) 463-8555
Mailing address
Po Box 959203
Saint Louis, MO 631959203

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
October 21, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Missouri #2017022724

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144753237. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
127
Distinct HCPCS
5
Medicare allowed
$7,754
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 30 28 $89
77063 Screening 3d breast mammography 29 15 $23
77067 Screening mammography 29 15 $57
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 28 28 $39
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $153

In context: peer comparison

Among 3 peers in Alton Obstetrics & Gynecology Physician, average services per provider: 50. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$90
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 2 $45.36
Organon LLC 1 $18.02
Minerva Surgical, INC 1 $13.24
Lilly USA, LLC 1 $13.07

By nature of payment

Food and Beverage
$90

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
82
Patients
35
Total drug cost
$6,150
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 37 24 $259
Alendronate Sodium Generic 22 0 $291
Metronidazole Generic 12 11 $76
Premarin (Estrogens, Conjugated) Brand 11 0 $5,525

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Megan Sauer's medical specialty?
Dr. Megan Sauer practices Obstetrics & Gynecology Physician in Alton, IL.
Where does Dr. Megan Sauer practice?
Dr. Megan Sauer practices at 1 Professional Dr, Alton, IL 620025068. Office phone: 6184638555.
What is Dr. Megan Sauer's NPI?
Dr. Megan Sauer's National Provider Identifier (NPI) is 1144753237, issued by NPPES.
Does Dr. Megan Sauer accept Medicare assignment?
Yes. Dr. Megan Sauer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Megan Sauer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067). Source: CMS Medicare Physician & Other Practitioners file.