Doctor profile · Federal record

Dr. Sonja Williams, DO

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Addiction Medicine (Family Medicine) Physician · Obstetrics & Gynecology Physician · Cullman, AL

  • NPI 1609836857
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1912 Commerce Ave
Cullman, AL 350556150
(256) 739-5595
fax (256) 739-5375
Mailing address
1600 Main St E
Hartselle, AL 356402059

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
November 27, 2024
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (2)
Alabama #DO.3174 · Missouri #200500798

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609836857. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
217
Distinct HCPCS
4
Medicare allowed
$21,279
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 95 34 $119
80305 Testing for presence of drug, read by direct observation 80 33 $12
G0481 Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms 28 11 $153
G2087 Office-based treatment for opioid use disorder, including care coordination, individual therapy and group therapy and counseling; at least 60 minutes in a subsequent calendar month 14 11 $337

In context: peer comparison

Among 3 peers in Cullman Obstetrics & Gynecology Physician, average services per provider: 49. This provider delivers 4.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$101
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Indivior INC. 3 $58.96
Braeburn INC. 1 $22.09
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $19.88

By nature of payment

Food and Beverage
$101

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
183
Patients
73
Total drug cost
$31,375
Drug Type Claims Patients Total cost
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 144 73 $25,564
Gabapentin Generic 15 0 $138
Amitriptyline Hcl Generic 12 0 $244
Suboxone (Buprenorphine Hcl/Naloxone Hcl) Brand 12 0 $5,428

Frequently asked questions

Auto-generated from federal data
What is Dr. Sonja Williams's medical specialty?
Dr. Sonja Williams practices Obstetrics & Gynecology Physician in Cullman, AL.
Where does Dr. Sonja Williams practice?
Dr. Sonja Williams practices at 1912 Commerce Ave, Cullman, AL 350556150. Office phone: 2567395595.
What is Dr. Sonja Williams's NPI?
Dr. Sonja Williams's National Provider Identifier (NPI) is 1609836857, issued by NPPES.
Does Dr. Sonja Williams accept Medicare assignment?
Yes. Dr. Sonja Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sonja Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Testing for presence of drug, read by direct observation (HCPCS 80305); Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (HCPCS G0481). Source: CMS Medicare Physician & Other Practitioners file.