William Gambla, MD
NPI 1104489434 · Student in an Organized Health Care Education/Training Program · Birmingham, AL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Gambla, MD is a Student in an Organized Health Care Education/Training Program provider in Birmingham, AL (NPI 1104489434).
Provider details
- NPI number
- 1104489434
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD.46435 (AL)
Specialties & taxonomies
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
124 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 40 | $111 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 31 | $65 |
| Imaging of Retina92134 | 16 | $23 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 13 | $160 |
| 2d Ultrasound Scan of Eye Tissue and Structures76512 | 12 | $28 |
| Exam of the Internal Drainage System of Eye92020 | 12 | $18 |
Typical Medicare-allowed amounts for these services range $18–$160 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 66 | 36 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 41 | 22 |
| Prednisolone Acetate | 36 | 28 |
| Brimonidine Tartrate | 30 | 19 |
| Timolol Maleate | 25 | 11 |
| Diclofenac Sodium | 20 | 18 |
| Erythromycin Basebrand: Erythromycin | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$359 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-22
- Last updated
- 2023-06-30
- Certified
- 2023-06-30
Frequently asked questions
- What is William Gambla's NPI number?
- William Gambla's National Provider Identifier (NPI) is 1104489434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gambla's specialty?
- William Gambla is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is William Gambla located?
- William Gambla's practice location on file with NPPES is 700 18th St S Ste 601, Birmingham, AL 35233-3800.
- What is William Gambla's phone number?
- The practice phone number listed in the NPPES registry for William Gambla is (205) 996-8660.
- Does William Gambla accept Medicare?
- William Gambla is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Gambla's NPI active?
- Yes — William Gambla's NPI (1104489434) is active in the NPPES registry as of the last update on 2023-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.