Sonja Williams, DO
NPI 1609836857 · Obstetrics & Gynecology Physician · Cullman, AL
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonja Williams, DO is a Obstetrics & Gynecology Physician provider in Cullman, AL (NPI 1609836857).
Provider details
- NPI number
- 1609836857
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- DO.3174 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
315 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 164 | $114 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 108 | $12 |
| 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 MonthG2087 | 22 | $392 |
| 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/MsG0480 | 21 | $112 |
Typical Medicare-allowed amounts for these services range $12–$392 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 674 | 154 |
| Gabapentin | 101 | 24 |
| Quetiapine Fumarate | 95 | 18 |
| Meloxicam | 52 | 11 |
| Clonidine Hcl | 39 | — |
| Duloxetine Hcl | 34 | 12 |
| Pregabalin | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$101 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-23
- Last updated
- 2024-11-27
- Certified
- 2024-11-27
Frequently asked questions
- What is Sonja Williams's NPI number?
- Sonja Williams's National Provider Identifier (NPI) is 1609836857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonja Williams's specialty?
- Sonja Williams is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Sonja Williams located?
- Sonja Williams's practice location on file with NPPES is 1912 Commerce Ave, Cullman, AL 35055-6150.
- What is Sonja Williams's phone number?
- The practice phone number listed in the NPPES registry for Sonja Williams is (256) 739-5595.
- Does Sonja Williams accept Medicare?
- Sonja Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonja Williams's NPI active?
- Yes — Sonja Williams's NPI (1609836857) is active in the NPPES registry as of the last update on 2024-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.