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ANTONIA E WILLIAMS D.O.
NPI 1376574673
Obstetrics & Gynecology in Birmingham, AL

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
832 PRINCETON AVE SW, BIRMINGHAM, AL 35211(205) 206-8477(205) 397-0986 Get Directions Write a Review

NPPES record last updated: August 16, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 16, 2021, Jan 18, 2017 (2 updates tracked since 2017).

About Antonia E Williams D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANTONIA E WILLIAMS D.O. (NPI 1376574673) is an individual obstetrics & gynecology provider in Birmingham, Alabama, licensed in Alabama (DO874) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Ensley, and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (1999).

NPPES Registry Identity

NPI1376574673
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameANTONIA E WILLIAMSCredential: D.O.
Location Address832 PRINCETON AVE SWBirmingham, AL 35211-1320
Mailing AddressPo Box 12366Birmingham, AL 35202-2366 · (205) 780-7101 · Fax (205) 206-8338
Phone(205) 206-8477
Fax(205) 397-0986
Sole ProprietorNo
Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 1999
Enumeration DateJuly 5, 2006
Last NPPES UpdateAugust 16, 20212 updates tracked since enumeration
NPPES CertifiedAugust 16, 2021
✔ NPI 1376574673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in AL · DO874
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
832 PRINCETON AVE SW, Birmingham, AL 35211
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Secondary Practice Location 1

Location 11925 Avenue EEnsley, AL 35218-1619 · Phone (205) 788-5164 · Fax (205) 788-5167

Other Identifiers 3

Other511-85910AL · Bcbs Of Alabama
Medicaid009937043AL
Medicaid193783AL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee and more.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

Antonia E Williams D.o. 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.

PECOS PAC ID42263204
PECOS Enrollment IDI20170120001698
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Antonia Williams reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Henderson & Walton Womens Center PC
3.4 mi
Obstetrics & Gynecology
806 ST VINCENTS DRIVE, SUITE 500
Birmingham, AL 35205
  • Reassigned Medicare billing, Alabama enrollment
  • 34 clinicians in this Medicare group
NPI 1578572632 (205) 930-1800
Vincentian Physician Services LLC
3.4 mi
Family Medicine
810 SAINT VINCENT'S DRIVE, 3RD FLOOR; PHYSICIAN DEVELOPMENT DEPT
Birmingham, AL 35205
  • Reassigned Medicare billing, Alabama enrollment
  • 263 clinicians in this Medicare group
NPI 1851698310 (205) 930-2346
Cahaba Medical Care Foundation
41 mi
Multi-Specialty
294 PIERSON AVENUE
Centreville, AL 35042
  • Reassigned Medicare billing, Alabama enrollment
  • 217 clinicians in this Medicare group
NPI 1093058133 (205) 926-2992
Obstetrics & Gynecology Of Dothan Inc
176 mi
Obstetrics & Gynecology
104 MEDICAL DR
Dothan, AL 36303
  • Reassigned Medicare billing, Alabama enrollment
  • 24 clinicians in this Medicare group
NPI 1114021409 (334) 671-9445
Obhg Alabama, P.C.
274 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, Alabama enrollment
  • 97 clinicians in this Medicare group
NPI 1881976520 (800) 967-2289

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35211 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.31 typical visit price
range $52.65 – $161.63
Typical copayment $30.57 (range $13.16 – $40.40)
Most-billed visit code 99204
Established Patient
$66.08 typical visit price
range $16.56 – $131.65
Typical copayment $16.52 (range $4.14 – $32.91)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

QUALITY EYEWEAR LLC
Eyewear Supplier
832 PRINCETON AVE SW
BIRMINGHAM, AL 35211
Jefferson County (205) 397-2287
WILLIE D. ASKEW M.D.
Internal Medicine
832 PRINCETON AVE SW
BIRMINGHAM, AL 35211
Jefferson County (205) 206-8461
DR. GEROLD NOEL SIBANDA MD
Internal Medicine
832 PRINCETON AVE SW
BIRMINGHAM, AL 35211
Jefferson County (205) 206-8460
ANNA ARIEL FLOYD CHANG CNM
Advanced Practice Midwife
832 PRINCETON AVE SW
BIRMINGHAM, AL 35211
Jefferson County (205) 397-8914
RAMY J. TOMA MD
Internal Medicine
832 PRINCETON AVE SW
BIRMINGHAM, AL 35211
Jefferson County (205) 206-8475
JESANNA CAROLAN COOPER M.D.
Obstetrics & Gynecology
832 PRINCETON AVE SW
BIRMINGHAM, AL 35211
Jefferson County (205) 206-8477
RANDALL L. REAL M.D.
Otolaryngology
832 PRINCETON AVE SW
BIRMINGHAM, AL 35211
Jefferson County (205) 206-8471
OUTPATIENT PHYSICAL THERAPY SIMON WILLIAMSON CLINIC
Point of Service
832 PRINCETON AVE SW
BIRMINGHAM, AL 35211
Jefferson County (205) 397-4949

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 Antonia Williams's NPI number?

The NPI number for Antonia Williams is 1376574673. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Antonia Williams located?

Antonia Williams practices at 832 Princeton Ave SW, Birmingham, AL 35211. The listed phone number is (205) 206-8477.

What is Antonia Williams's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Antonia Williams enrolled in Medicare?

Yes. Antonia 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 Antonia Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Antonia Williams reassigns Medicare benefits to 5 organizations: Henderson & Walton Womens Center PC (Birmingham, AL), Vincentian Physician Services LLC (Birmingham, AL), Cahaba Medical Care Foundation (Centreville, AL), Obstetrics & Gynecology Of Dothan Inc (Dothan, AL) and Obhg Alabama, P.C. (Greenville, SC). 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 Antonia Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Antonia Williams accept?

Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee and Blue Cross and Blue Shield of Alabama list Antonia 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 Antonia Williams was last updated on August 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.