WILLIAM HOLDEN
NPI 1437609963
Nurse Practitioner - Acute Care in Birmingham, AL
About William Holden NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM HOLDEN (NPI 1437609963) is an individual acute care provider in Birmingham, Alabama, licensed in Alabama (1-130679) and active in the NPI registry since October 2016. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Vanderbilt University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
William Holden 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
4Medicare enrollment records show William Holden reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Birmingham, AL 35233
- Reassigned Medicare billing, Alabama enrollment
- 4,494 clinicians in this Medicare group
Vestavia, AL 35243
- Reassigned Medicare billing, Alabama enrollment
- 9 clinicians in this Medicare group
Oklahoma City, OK 73114
- Reassigned Medicare billing, Colorado, Oklahoma, Washington and West Virginia enrollments
- 9 clinicians in this Medicare group
Scottsdale, AZ 85260
- Reassigned Medicare billing, Arizona enrollment
- 11 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 35233 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 William Holden's NPI number?
The NPI number for William Holden is 1437609963. It was assigned to this individual provider in the NPPES registry on October 7, 2016.
Where is William Holden located?
William Holden practices at 1802 6th Ave S # Np5240, Birmingham, AL 35233. The listed phone number is (205) 934-4206.
What is William Holden's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is William Holden enrolled in Medicare?
Yes. William Holden 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 William Holden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Holden reassigns Medicare benefits to 4 organizations: University Of Alabama Health Services Foundation, PC (Birmingham, AL), Alabama Infusion Services LLC (Vestavia, AL), Flexcare Infusion Okc, LLC (Oklahoma City, OK) and Infuseable Healthcare, LLC (Scottsdale, AZ). 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 William Holden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Holden accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list William Holden 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 William Holden was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# William Holden · NPI 1437609963
Acute Care physician in Birmingham, Alabama. Individual provider, active in the CMS NPPES registry since October 7, 2016.
## Identity
- **NPI:** 1437609963 (Entity type: Individual)
- **Enumerated:** October 7, 2016
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 1-130679 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 1802 6TH AVE S # NP5240, Birmingham, AL 35233-1932
- **Phone:** (205) 934-4206
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Of Alabama Health Services Foundation, PC (NPI 1356377576, Birmingham, AL); Alabama Infusion Services LLC (NPI 1649736323, Vestavia, AL); Flexcare Infusion Okc, LLC (NPI 1013480490, Oklahoma City, OK); Infuseable Healthcare, LLC (NPI 1689288938, Scottsdale, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Vanderbilt University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** July 21, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1437609963) · Data from the CMS NPPES public registry.