DR. JOHN B CASTERLINE MD
NPI 1245279751
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Birmingham, AL
About Dr. John B Casterline Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN B CASTERLINE MD (NPI 1245279751) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Birmingham, Alabama, licensed in Alabama (17130) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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
Dr. John B Casterline Md 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 John Casterline reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vestavia, AL 35243
- Reassigned Medicare billing, Alabama enrollment
- 7 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 12
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 35242 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
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BIRMINGHAM, AL 35242
BIRMINGHAM, AL 35242
BIRMINGHAM, AL 35242
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 John Casterline's NPI number?
The NPI number for John Casterline is 1245279751. It was assigned to this individual provider in the NPPES registry on June 6, 2006.
Where is John Casterline located?
John Casterline practices at 4600 Highway 280 Ste 200, Birmingham, AL 35242. The listed phone number is (205) 716-6900.
What is John Casterline's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is John Casterline enrolled in Medicare?
Yes. John Casterline 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 John Casterline's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Casterline reassigns Medicare benefits to Affinity Cardio-Thoracic Specialists LLC (Vestavia, 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 John Casterline's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Casterline accept?
Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee, Blue Cross and Blue Shield of Alabama and Oscar Insurance Company and 1 other insurer list John Casterline 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 John Casterline was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.