John Carlson, MD
NPI 1215913199 · Ophthalmology Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Carlson, MD is a Ophthalmology Physician provider in Riverside, CA (NPI 1215913199).
Provider details
- NPI number
- 1215913199
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A62397 (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
20 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
5,312 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 | 1,768 | $44 |
| Injection of Drug Into Eye67028 | 1,150 | $130 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 909 | $138 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 308 | $26 |
| Photography of the Retina92250 | 291 | $39 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 268 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 175 | 80 |
| Latanoprost | 99 | 38 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 96 | 34 |
| Ofloxacin | 73 | 57 |
| Brimonidine Tartrate | 58 | 22 |
| Ketorolac Tromethamine | 32 | 12 |
| Timolol Maleate | 24 | — |
| Dorzolamide Hcl | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,721 across 22 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
- 2005-12-21
- Last updated
- 2011-05-27
Frequently asked questions
- What is John Carlson's NPI number?
- John Carlson's National Provider Identifier (NPI) is 1215913199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Carlson's specialty?
- John Carlson is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Carlson located?
- John Carlson's practice location on file with NPPES is 9041 Magnolia Ave, Riverside, CA 92503-3900.
- What is John Carlson's phone number?
- The practice phone number listed in the NPPES registry for John Carlson is (951) 788-0222.
- Does John Carlson accept Medicare?
- John Carlson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Carlson's NPI active?
- Yes — John Carlson's NPI (1215913199) is active in the NPPES registry as of the last update on 2011-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.