Steven Johnson, MD
NPI 1679581581 · Ophthalmology Physician · San Luis Obispo, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Johnson, MD is a Ophthalmology Physician provider in San Luis Obispo, CA (NPI 1679581581).
Provider details
- NPI number
- 1679581581
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A38558 (CA)
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
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
6,043 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) |
|---|---|---|
| Imaging of Retina92134 | 1,195 | $42 |
| Established Patient Complete Exam of Visual System92014 | 1,157 | $134 |
| Established Patient Problem Focused Exam of Visual System92012 | 1,057 | $95 |
| Injection of Drug Into Eye67028 | 538 | $138 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 450 | $461 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 317 | $50 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 370 | 105 |
| Timolol Maleate | 114 | 34 |
| Prednisolone Acetate | 88 | 56 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 74 | 48 |
| Brimonidine Tartrate | 67 | 18 |
| Brinzolamide/Brimonidine Tartbrand: Simbrinza | 47 | 13 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 44 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$126 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
- 2006-08-04
- Last updated
- 2009-12-08
Frequently asked questions
- What is Steven Johnson's NPI number?
- Steven Johnson's National Provider Identifier (NPI) is 1679581581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Johnson's specialty?
- Steven Johnson is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Johnson located?
- Steven Johnson's practice location on file with NPPES is 628 California Blvd, San Luis Obispo, CA 93401.
- What is Steven Johnson's phone number?
- The practice phone number listed in the NPPES registry for Steven Johnson is (805) 547-2090.
- Does Steven Johnson accept Medicare?
- Steven Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Johnson's NPI active?
- Yes — Steven Johnson's NPI (1679581581) is active in the NPPES registry as of the last update on 2009-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.