WILLIAM CHARLES GAMBLA MD
NPI 1104489434
Student in an Organized Health Care Education/Training Program in Birmingham, AL
About William Charles Gambla Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM CHARLES GAMBLA MD (NPI 1104489434) is an individual student in an organized health care education/training program in Birmingham, Alabama and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of University Of South Alabama College Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
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 Charles Gambla 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 Reassignments
3Medicare enrollment records show William Gambla reassigns Medicare billing to 3 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
- 81 clinicians in this Medicare group
Birmingham, AL 35233
- Reassigned Medicare billing, Alabama enrollment
- 129 clinicians in this Medicare group
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 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 6
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.
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.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gambla's NPI number?
The NPI number for William Gambla is 1104489434. It was assigned to this individual provider in the NPPES registry on April 22, 2019.
Where is William Gambla located?
William Gambla practices at 700 18th St S Ste 601, Birmingham, AL 35233. The listed phone number is (205) 996-8660.
What is William Gambla's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is William Gambla enrolled in Medicare?
Yes. William Gambla 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 Gambla's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Gambla reassigns Medicare benefits to 3 organizations: University Of Alabama Ophthalmology Services Foundation (Birmingham, AL), Uab Callahan Eye Hospital Authority (Birmingham, AL) and Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 Gambla's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Gambla accept?
Health plans from Kaiser Permanente list William Gambla 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 Gambla was last updated on June 30, 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.
# William Charles Gambla, MD · NPI 1104489434
Student in an Organized Health Care Education/Training Program provider in Birmingham, Alabama. Individual provider, active in the CMS NPPES registry since April 22, 2019.
## Identity
- **NPI:** 1104489434 (Entity type: Individual)
- **Enumerated:** April 22, 2019
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 700 18TH ST S STE 601, Birmingham, AL 35233-3800
- **Phone:** (205) 996-8660
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): University Of Alabama Ophthalmology Services Foundation (NPI 1265485999, Birmingham, AL); Uab Callahan Eye Hospital Authority (NPI 1427398254, Birmingham, AL); Hawaii Permanente Medical Group Inc (NPI 1710945969, Honolulu, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Alabama College Of Medicine, class of 2019
## Record status
- **NPPES last updated:** June 30, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1104489434) · Data from the CMS NPPES public registry.