Samantha Johnson, DO
NPI 1457840035 · Ophthalmology Physician · Corona, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samantha Johnson, DO is a Ophthalmology Physician provider in Corona, CA (NPI 1457840035).
Provider details
- NPI number
- 1457840035
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,229 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 Problem Focused Exam of Visual System92012 | 240 | $93 |
| Photography of the Retina92250 | 221 | $38 |
| Established Patient Complete Exam of Visual System92014 | 154 | $131 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 141 | $25 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 118 | $553 |
| Imaging of Retina92134 | 106 | $42 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 431 | 261 |
| Ketorolac Tromethamine | 384 | 237 |
| Latanoprost | 380 | 140 |
| Moxifloxacin Hclbrand: Moxifloxacin | 363 | 243 |
| Timolol Maleate | 116 | 35 |
| Brimonidine Tartrate | 79 | 32 |
| Erythromycin Basebrand: Erythromycin | 79 | 54 |
| Cyclosporine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$109 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
- 2018-05-09
- Last updated
- 2022-06-07
- Certified
- 2022-06-07
Frequently asked questions
- What is Samantha Johnson's NPI number?
- Samantha Johnson's National Provider Identifier (NPI) is 1457840035, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samantha Johnson's specialty?
- Samantha Johnson is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Samantha Johnson located?
- Samantha Johnson's practice location on file with NPPES is 1124 S Main St, Corona, CA 92882-4449.
- What is Samantha Johnson's phone number?
- The practice phone number listed in the NPPES registry for Samantha Johnson is (951) 737-6363.
- Does Samantha Johnson accept Medicare?
- Samantha Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samantha Johnson's NPI active?
- Yes — Samantha Johnson's NPI (1457840035) is active in the NPPES registry as of the last update on 2022-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.