MS. CYNTHIA CROSBY WILLIAMS CRNP
NPI 1538526603
Nurse Practitioner - Family in Montgomery, AL
About Ms. Cynthia Crosby Williams Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CYNTHIA CROSBY WILLIAMS CRNP (NPI 1538526603) is an individual family provider in Montgomery, Alabama, licensed in Alabama (F0915055) and active in the NPI registry since January 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Cynthia Crosby Williams Crnp 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 Cynthia Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Montgomery, AL 36108
- Reassigned Medicare billing, Alabama enrollment
- 31 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 2
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 36108 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MONTGOMERY, AL 36108
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 Cynthia Williams's NPI number?
The NPI number for Cynthia Williams is 1538526603. It was assigned to this individual provider in the NPPES registry on January 20, 2016.
Where is Cynthia Williams located?
Cynthia Williams practices at 3058 Mobile Hwy, Montgomery, AL 36108. The listed phone number is (334) 293-6670.
What is Cynthia Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cynthia Williams enrolled in Medicare?
Yes. Cynthia 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 Cynthia Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Williams reassigns Medicare benefits to Health Services, Inc (Montgomery, 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 Cynthia Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cynthia Williams accept?
Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee and Blue Cross and Blue Shield of Alabama list Cynthia 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 Cynthia Williams was last updated on May 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ms. Cynthia Crosby Williams, CRNP · NPI 1538526603
Family physician in Montgomery, Alabama. Individual provider, active in the CMS NPPES registry since January 20, 2016.
## Identity
- **NPI:** 1538526603 (Entity type: Individual)
- **Enumerated:** January 20, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** F0915055 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 3058 MOBILE HWY, Montgomery, AL 36108-4027
- **Phone:** (334) 293-6670 · **Fax:** (334) 293-6668
## 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:** Health Services, Inc (NPI 1528082336, Montgomery, AL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** May 8, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1538526603) · Data from the CMS NPPES public registry.