WILLIAM R HARRISON MD
NPI 1275522963
Internal Medicine - Cardiovascular Disease in Birmingham, AL
About William R Harrison Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM R HARRISON MD (NPI 1275522963) is an individual cardiovascular disease provider in Birmingham, Alabama, licensed in Alabama (11999) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William R Harrison Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Harrison reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Talladega, AL 35160
- Reassigned Medicare billing, Alabama enrollment
- 430 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 35243 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BIRMINGHAM, AL 35243
BIRMINGHAM, AL 35243
BIRMINGHAM, AL 35243
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 Harrison's NPI number?
The NPI number for William Harrison is 1275522963. It was assigned to this individual provider in the NPPES registry on October 17, 2005.
Where is William Harrison located?
William Harrison practices at 3980 Colonnade Pkwy, Birmingham, AL 35243. The listed phone number is (205) 510-5000.
What is William Harrison's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is William Harrison enrolled in Medicare?
Yes. William Harrison is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Harrison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Harrison reassigns Medicare benefits to Baptist Health Centers, LLC (Talladega, 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 William Harrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Harrison was last updated on January 28, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# William R Harrison, MD · NPI 1275522963
Cardiovascular Disease physician in Birmingham, Alabama. Individual provider, active in the CMS NPPES registry since October 17, 2005.
## Identity
- **NPI:** 1275522963 (Entity type: Individual)
- **Enumerated:** October 17, 2005
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 11999 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 3980 COLONNADE PKWY, Birmingham, AL 35243-2382
- **Phone:** (205) 510-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Baptist Health Centers, LLC (NPI 1184688244, Talladega, AL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 28, 2013
- **Other identifiers:** Medicare UPIN C71686 (AL); Medicare PIN 102I062995 (AL)
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Source: [NPI Profile](https://npiprofile.com/npi/1275522963) · Data from the CMS NPPES public registry.