Robert Knox, M.D.
NPI 1790172666 · Ophthalmology Physician · Birmingham, AL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Knox, M.D. is a Ophthalmology Physician provider in Birmingham, AL (NPI 1790172666).
Provider details
- NPI number
- 1790172666
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35246 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,172 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 | 837 | $116 |
| Imaging of Optic Nerve92133 | 268 | $32 |
| Exam of Visual Field With Extended Testing92083 | 206 | $56 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 180 | $444 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 163 | $152 |
| Imaging of Retina92134 | 123 | $35 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 2,726 | 846 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 1,842 | 566 |
| Brimonidine Tartrate | 885 | 295 |
| Prednisolone Acetate | 490 | 284 |
| Timolol Maleate | 294 | 112 |
| Dorzolamide Hcl | 274 | 101 |
| Atropine Sulfate | 197 | 136 |
| Ofloxacin | 178 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$485 across 11 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
Additional practice locations (1)
- 625 19th St SBirmingham, AL 35233-1900Phone: (205) 934-9666Fax: (205) 975-6424
Registry dates
- Enumerated
- 2015-04-18
- Last updated
- 2024-07-22
- Certified
- 2024-07-22
Frequently asked questions
- What is Robert Knox's NPI number?
- Robert Knox's National Provider Identifier (NPI) is 1790172666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Knox's specialty?
- Robert Knox is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Knox located?
- Robert Knox's practice location on file with NPPES is 1720 University Blvd Ste 200, Birmingham, AL 35233-1816.
- What is Robert Knox's phone number?
- The practice phone number listed in the NPPES registry for Robert Knox is (205) 876-8988.
- Does Robert Knox accept Medicare?
- Robert Knox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Knox's NPI active?
- Yes — Robert Knox's NPI (1790172666) is active in the NPPES registry as of the last update on 2024-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.