Ernest Johnson, M.D.
NPI 1477578110 · Specialist · Tuscaloosa, AL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ernest Johnson, M.D. is a Specialist provider in Tuscaloosa, AL (NPI 1477578110).
Provider details
- NPI number
- 1477578110
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 11457 (AL)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
2,624 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 790 | $116 |
| Imaging of Retina92134 | 297 | $36 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 233 | $82 |
| Imaging of Optic Nerve92133 | 153 | $32 |
| Complete Ultrasound of Within the Brain Blood Flow93886 | 136 | $196 |
| Ultrasound of Within the Brain Blood Flow for Blood Clots93892 | 136 | $91 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,176 | 354 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 369 | 260 |
| Timolol Maleate | 306 | 100 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 174 | 47 |
| Brimonidine Tartrate | 118 | 34 |
| Prednisolone Acetate | 109 | 62 |
| Ketorolac Tromethamine | 108 | 76 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$275 across 5 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
- 2006-07-13
- Last updated
- 2025-08-25
- Certified
- 2025-08-25
Frequently asked questions
- What is Ernest Johnson's NPI number?
- Ernest Johnson's National Provider Identifier (NPI) is 1477578110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernest Johnson's specialty?
- Ernest Johnson is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Ernest Johnson located?
- Ernest Johnson's practice location on file with NPPES is 535 Jack Warner Pkwy Ne, Tuscaloosa, AL 35404-5751.
- What is Ernest Johnson's phone number?
- The practice phone number listed in the NPPES registry for Ernest Johnson is (205) 556-2121.
- Does Ernest Johnson accept Medicare?
- Ernest Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ernest Johnson's NPI active?
- Yes — Ernest Johnson's NPI (1477578110) is active in the NPPES registry as of the last update on 2025-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.