Jack Clark, M.D.
NPI 1265571608 · Ophthalmology Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Clark, M.D. is a Ophthalmology Physician provider in Fresno, CA (NPI 1265571608).
Provider details
- NPI number
- 1265571608
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G56196 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
485 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 158 | $93 |
| Injection of Drug Into Eye67028 | 84 | $115 |
| Compounded Drug, Not Otherwise ClassifiedJ7999 | 81 | $93 |
| Imaging of Retina92134 | 64 | $42 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $93 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 29 | $545 |
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 |
|---|---|---|
| Latanoprost | 302 | 73 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 150 | 61 |
| Timolol Maleate | 87 | 23 |
| Brimonidine Tartrate | 67 | 19 |
| Prednisolone Acetate | 27 | 17 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 23 | — |
| Brimonidine Tartratebrand: Alphagan P | 19 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jack Clark's NPI number?
- Jack Clark's National Provider Identifier (NPI) is 1265571608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Clark's specialty?
- Jack Clark is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Clark located?
- Jack Clark's practice location on file with NPPES is 7112 N Fresno St, Fresno, CA 93720-2940.
- What is Jack Clark's phone number?
- The practice phone number listed in the NPPES registry for Jack Clark is (559) 439-1620.
- Does Jack Clark accept Medicare?
- Jack Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Clark's NPI active?
- Yes — Jack Clark's NPI (1265571608) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.