DR. SONJA GAYLE WILLIAMS DO
NPI 1609836857
Obstetrics & Gynecology in Cullman, AL
About Dr. Sonja Gayle Williams Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SONJA GAYLE WILLIAMS DO (NPI 1609836857) is an individual obstetrics & gynecology provider in Cullman, Alabama, licensed in Alabama (DO.3174) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Pikeville, Kentucky College Of Osteopathic Med (2001).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Sonja Gayle Williams Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
7Medicare enrollment records show Sonja Williams reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cullman, AL 35055
- Reassigned Medicare billing, Alabama enrollment
- 15 clinicians in this Medicare group
Huntsville, AL 35801
- Reassigned Medicare billing, Alabama enrollment
- 182 clinicians in this Medicare group
Poplar Bluff, MO 63901
- Reassigned Medicare billing, Missouri enrollment
- 15 clinicians in this Medicare group
Birch Tree, MO 65438
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1245277631 (Missouri)
- 1,487 clinicians in this Medicare group
West Plains, MO 65775
- Reassigned Medicare billing, Missouri enrollment
- 10 clinicians in this Medicare group
Salem, MO 65560
- Reassigned Medicare billing, Missouri enrollment
- 27 clinicians in this Medicare group
Springfield, MO 65807
- Reassigned Medicare billing, Missouri enrollment
- 12 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 35055 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CULLMAN, AL 35055
CULLMAN, AL 35055
CULLMAN, AL 35055
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sonja Williams's NPI number?
The NPI number for Sonja Williams is 1609836857. It was assigned to this individual provider in the NPPES registry on March 23, 2006.
Where is Sonja Williams located?
Sonja Williams practices at 1912 Commerce Ave, Cullman, AL 35055. The listed phone number is (256) 739-5595.
What is Sonja Williams's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Sonja Williams enrolled in Medicare?
Yes. Sonja Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sonja Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonja Williams reassigns Medicare benefits to 7 organizations: Bhg Lxxii, LLC (Cullman, AL), Hh Physicians Network (Huntsville, AL), Bhg Lxxiv, LLC (Poplar Bluff, MO), Mercy Clinic Springfield Communities (Birch Tree, MO), Bhg Xxviii, LLC (West Plains, MO) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sonja Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sonja Williams accept?
Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee, Medica and Oscar Insurance Company list Sonja Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Sonja Williams was last updated on November 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.