1. Home
  2. Directory
  3. Alabama
  4. Mobile
  5. Nurse Practitioner
  6. NPI Profile

MRS. JENNIFER GALLAGHER WILLIAMS CRNP
NPI 1003122318
Nurse Practitioner - Pediatrics in Mobile, AL

Active since August 24, 2010PECOS Enrolled
1601 CENTER ST, STE 1S, MOBILE, AL 36604(251) 410-5437(251) 434-3852 Get Directions Write a Review

NPPES record last updated: March 3, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Jennifer Gallagher Williams Crnp NPPES

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

MRS. JENNIFER GALLAGHER WILLIAMS CRNP (NPI 1003122318) is an individual pediatrics provider in Mobile, Alabama, licensed in Alabama (1-106613) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003122318
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMRS. JENNIFER GALLAGHER WILLIAMSCredential: CRNP
Location Address1601 CENTER ST, STE 1SMobile, AL 36604-1512
Mailing AddressPo Box 40480Mobile, AL 36640-0480 · (251) 410-5437 · Fax (251) 434-3852
Phone(251) 410-5437
Fax(251) 434-3852
Sole ProprietorNo
Enumeration DateAugust 24, 2010
Last NPPES UpdateMarch 3, 2017
✔ NPI 1003122318 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in AL · 1-106613
1601 CENTER ST, Mobile, AL 36604
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama, Molina Healthcare, Oscar Health Plan, Inc. 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 (PECOS)

Mrs. Jennifer Gallagher Williams Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Jennifer Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Usa Health Physician Billing Services LLC
Same address
Obstetrics & Gynecology
1601 CENTER ST
Mobile, AL 36604
  • Reassigned Medicare billing, Alabama enrollment
  • 857 clinicians in this Medicare group
NPI 1013574722 (251) 415-1496
University Of South Alabama
1.6 mi
Clinical Medical Laboratory
2451 UNIVERSITY HOSPITAL DR
Mobile, AL 36617
  • Reassigned Medicare billing, Alabama enrollment
  • 394 clinicians in this Medicare group
NPI 1497859052 (251) 471-7000

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 36604 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
$81.90 typical visit price
range $52.65 – $161.63
Typical copayment $20.47 (range $13.16 – $40.40)
Most-billed visit code 99203
Established Patient
$93.72 typical visit price
range $16.56 – $131.65
Typical copayment $23.43 (range $4.14 – $32.91)
Most-billed visit code 99214
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.

LADONNA M. CREWS MD
Pediatrics
1601 CENTER ST, STE 1N
MOBILE, AL 36604
Mobile County (251) 410-5437
USA HEALTH PHYSICIAN BILLING SERVICES LLC
Obstetrics & Gynecology
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 415-1496
USA HEALTH PHYSICIAN BILLING SERVICES LLC
Pediatrics (Pediatric Nephrology)
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 410-5437
ELIZABETH FAIR PHD
Psychologist (Clinical)
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 410-5437
KENDRA CRUM CRNP
Nurse Practitioner (Family)
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 410-5437
DR. MURPHY MCGRIFF WALTERS MD
Orthopaedic Surgery
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 665-8200
MISS CAITLYN BETH LATIOLAIS PA-C
Physician Assistant
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 660-5108
DR. STEPHANIE JEANINE ANDERSON M.D.
Pediatrics (Developmental - Behavioral Pediatrics)
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 410-5437

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 Jennifer Williams's NPI number?

The NPI number for Jennifer Williams is 1003122318. It was assigned to this individual provider in the NPPES registry on August 24, 2010.

Where is Jennifer Williams located?

Jennifer Williams practices at 1601 Center St Ste 1S, Mobile, AL 36604. The listed phone number is (251) 410-5437.

What is Jennifer Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Jennifer Williams enrolled in Medicare?

Yes. Jennifer Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jennifer Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Williams reassigns Medicare benefits to 2 organizations: Usa Health Physician Billing Services LLC (Mobile, AL) and University Of South Alabama (Mobile, AL). 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 Jennifer Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Williams accept?

Health plans from Blue Cross and Blue Shield of Alabama, Molina Healthcare, Oscar Health Plan, Inc. and UnitedHealthcare list Jennifer 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 Jennifer Williams was last updated on March 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.