Doctor profile · Federal record

Dr. Emily Williams, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Amherst, NY

  • NPI 1174563191
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4575 Main St
Amherst, NY 142264567
(716) 633-4575
fax (716) 633-4576

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 29, 2020
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
New York #231305
Medicaid
NY #02775235

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174563191. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
69
Distinct HCPCS
3
Medicare allowed
$3,532
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 34 34 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 24 19 $79
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 11 11 $39

In context: peer comparison

Among 4 peers in this city , average services per provider: 26. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$147
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 2 $42.01
Astellas Pharma US Inc 1 $28.02
Medtronic, Inc. 1 $24.76
Novo Nordisk Inc 1 $20.83
ABBVIE INC. 1 $17.26
Agile Therapeutics, Inc. 1 $14.54

By nature of payment

Food and Beverage
$147

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
132
Patients
36
Total drug cost
$13,857
Drug Type Claims Patients Total cost
Estradiol Generic 38 22 $7,853
Valacyclovir (Valacyclovir Hcl) Brand 27 0 $503
Clobetasol Propionate Generic 21 14 $645
Triamcinolone Acetonide Generic 13 0 $84
Fluconazole Generic 11 0 $54
Medroxyprogesterone Acetate Generic 11 0 $52
Prempro (Estrogen,con/M-Progest Acet) Brand 11 0 $4,668

Frequently asked questions

Auto-generated from federal data
What is Dr. Emily Williams's medical specialty?
Dr. Emily Williams practices Obstetrics & Gynecology Physician in Amherst, NY.
Where does Dr. Emily Williams practice?
Dr. Emily Williams practices at 4575 Main St, Amherst, NY 142264567. Office phone: 7166334575.
What is Dr. Emily Williams's NPI?
Dr. Emily Williams's National Provider Identifier (NPI) is 1174563191, issued by NPPES.
Does Dr. Emily Williams accept Medicare assignment?
Dr. Emily Williams does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Emily Williams 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.