John Canzano, M.D.
NPI 1134232648 · Ophthalmology Physician · Stockton, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Canzano, M.D. is a Ophthalmology Physician provider in Stockton, CA (NPI 1134232648).
Provider details
- NPI number
- 1134232648
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A55787 (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
6,988 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 | 1,204 | $40 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,195 | $130 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 663 | $40 |
| Injection of Drug Into Eye67028 | 602 | $132 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 548 | $512 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 518 |
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 | 983 | 735 |
| Latanoprost | 770 | 216 |
| Diclofenac Sodium | 321 | 173 |
| Brimonidine Tartrate | 126 | 38 |
| Cyclosporinebrand: Restasis | 91 | 28 |
| Bimatoprostbrand: Lumigan | 89 | 21 |
| Timolol Maleate | 69 | 17 |
| Ketorolac Tromethamine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$643 across 27 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
- 2006-08-17
- Last updated
- 2012-07-17
Frequently asked questions
- What is John Canzano's NPI number?
- John Canzano's National Provider Identifier (NPI) is 1134232648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Canzano's specialty?
- John Canzano is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Canzano located?
- John Canzano's practice location on file with NPPES is 255 E Weber Ave, Stockton, CA 95202-2706.
- What is John Canzano's phone number?
- The practice phone number listed in the NPPES registry for John Canzano is (209) 466-5566.
- Does John Canzano accept Medicare?
- John Canzano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Canzano's NPI active?
- Yes — John Canzano's NPI (1134232648) is active in the NPPES registry as of the last update on 2012-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.