Doctor profile · Federal record

Dr. April Parker, M.D., PH.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Saint Louis, MO

  • NPI 1821226408
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
621 S New Ballas RD, Suite 4017B
Saint Louis, MO 631418232
(314) 872-9192

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
October 27, 2016
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Missouri #2009014217
Medicaid
MO #1841226408

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821226408. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
52
Distinct HCPCS
3
Medicare allowed
$2,826
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 24 24 $39
99213 Established patient office or other outpatient visit, 20-29 minutes 15 13 $89
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 13 13 $43

In context: peer comparison

Among 46 peers in this city , average services per provider: 51. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$338
Transactions
16
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Organon Llc 4 $91.52
Astellas Pharma US Inc 4 $70.62
PFIZER INC. 2 $47.01
Exeltis, USA Inc. 1 $24.47
Hologic Sales and Service, LLC 1 $23.28
Bayer Healthcare Pharmaceuticals Inc. 1 $22.99
Evofem Biosciences, Inc. 1 $20.84
Sumitomo Pharma America, Inc. 1 $18.96
Aspira Women's Health Inc 1 $18.58

By nature of payment

Food and Beverage
$338

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
97
Patients
12
Total drug cost
$3,541
Drug Type Claims Patients Total cost
Nystatin Generic 18 0 $396
Triamcinolone Acetonide Generic 16 12 $65
Estradiol Generic 14 0 $667
Alendronate Sodium Generic 13 0 $169
Valacyclovir (Valacyclovir Hcl) Brand 13 0 $724
Estradiol (Once Weekly) (Estradiol) Brand 12 0 $1,157
Clobetasol Propionate Generic 11 0 $363

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. April Parker's medical specialty?
Dr. April Parker practices Obstetrics & Gynecology Physician in Saint Louis, MO.
Where does Dr. April Parker practice?
Dr. April Parker practices at 621 S New Ballas RD, Saint Louis, MO 631418232. Office phone: 3148729192.
What is Dr. April Parker's NPI?
Dr. April Parker's National Provider Identifier (NPI) is 1821226408, issued by NPPES.
Does Dr. April Parker accept Medicare assignment?
Yes. Dr. April Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. April Parker commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99213); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.