Doctor profile · Federal record

Dr. William Clark, MD

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

  • NPI 1235202599
  • 55 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
585 Lew Loudon Road
Latham, NY 121105701
(518) 783-1472
fax (518) 783-1605

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
October 3, 2011
Year of graduation
1971 — 55 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
New York #114221
Medicaid
NY #00798590

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235202599. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
254
Distinct HCPCS
6
Medicare allowed
$12,650
HCPCS Description Services Patients Avg allowed
81002 Urinalysis, manual test 85 84 $3
99213 Established patient office or other outpatient visit, 20-29 minutes 58 43 $82
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 47 47 $35
76856 Complete ultrasound scan of pelvis 27 25 $98
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 26 24 $111
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 11 11 $40

In context: peer comparison

Among 5 peers in Latham Obstetrics & Gynecology Physician, average services per provider: 44. This provider delivers 5.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,132
Transactions
49
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 12 $364.56
Abbvie INC. 17 $313.96
Sumitomo Pharma America, INC. 1 $107.46
Novo Nordisk INC 5 $84.96
Shield Therapeutics INC 4 $77.38
Exeltis, USA INC. 2 $40.97
Daiichi Sankyo INC. 2 $34.32
CooperSurgical, INC. 2 $31.91
Merck Sharp & Dohme LLC 2 $30.83
Organon LLC 1 $26.86
Seqirus USA INC 1 $18.81

By nature of payment

Food and Beverage
$1,041
Education
$91

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
396
Patients
95
Total drug cost
$85,819
Drug Type Claims Patients Total cost
Estradiol Generic 158 60 $11,039
Myrbetriq (Mirabegron) Brand 51 12 $37,372
Premarin (Estrogens, Conjugated) Brand 38 23 $18,234
Triamcinolone Acetonide Generic 23 0 $385
Alendronate Sodium Generic 20 0 $243
Medroxyprogesterone Acetate Generic 20 0 $215
Fluconazole Generic 18 0 $129
Prempro (Estrogen,Con/M-Progest Acet) Brand 16 0 $10,704
Valacyclovir (Valacyclovir Hcl) Brand 15 0 $506
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 14 0 $168

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Clark's medical specialty?
Dr. William Clark practices Obstetrics & Gynecology Physician in Latham, NY.
Where does Dr. William Clark practice?
Dr. William Clark practices at 585 Lew Loudon Road, Latham, NY 121105701. Office phone: 5187831472.
What is Dr. William Clark's NPI?
Dr. William Clark's National Provider Identifier (NPI) is 1235202599, issued by NPPES.
Does Dr. William Clark accept Medicare assignment?
Dr. William Clark does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Clark commonly perform?
Top Medicare-reported procedures in 2023: Urinalysis, manual test (HCPCS 81002); 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.