MRS. MARY WILLIAMS PNP-PC
NPI 1972278935
Nurse Practitioner - Pediatrics in Daphne, AL
About Mrs. Mary Williams Pnp-pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARY WILLIAMS PNP-PC (NPI 1972278935) is an individual pediatrics provider in Daphne, Alabama, licensed in Alabama (1-175325) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Mobile, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Mrs. Mary Williams Pnp-pc 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 Reassignment
Medicare enrollment records show Mary Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mobile, AL 36604
- Reassigned Medicare billing, Alabama enrollment
- 857 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 36526 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Williams's NPI number?
The NPI number for Mary Williams is 1972278935. It was assigned to this individual provider in the NPPES registry on August 11, 2021.
Where is Mary Williams located?
Mary Williams practices at 6883 Us Highway 90 Ste 108, Daphne, AL 36526. The listed phone number is (251) 318-2601.
What is Mary Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Mary Williams enrolled in Medicare?
Yes. Mary 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 organization bills Medicare for Mary Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Williams reassigns Medicare benefits to Usa Health Physician Billing Services LLC (Mobile, AL). The 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 Mary Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Williams accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list Mary 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 Mary Williams was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mrs. Mary Williams, PNP-PC · NPI 1972278935
Pediatrics physician in Daphne, Alabama. Individual provider, active in the CMS NPPES registry since August 11, 2021.
## Identity
- **NPI:** 1972278935 (Entity type: Individual)
- **Enumerated:** August 11, 2021
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** 1-175325 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 6883 US HIGHWAY 90 STE 108, Daphne, AL 36526-9611
- **Phone:** (251) 318-2601 · **Fax:** (251) 318-2602
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Usa Health Physician Billing Services LLC (NPI 1013574722, Mobile, AL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** December 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1972278935) · Data from the CMS NPPES public registry.