Ilan Hartstein, M.D.
NPI 1184646283 · Ophthalmology Physician · La Palma, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ilan Hartstein, M.D. is a Ophthalmology Physician provider in La Palma, CA (NPI 1184646283).
Provider details
- NPI number
- 1184646283
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G59917 (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
2,090 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 Complete Exam of Visual System92014 | 576 | $139 |
| Established Patient Problem Focused Exam of Visual System92012 | 448 | $99 |
| Imaging of Retina92134 | 289 | $44 |
| Exam of Visual Field With Extended Testing92083 | 158 | $71 |
| Imaging of Optic Nerve92133 | 153 | $38 |
| Exam of the Internal Drainage System of Eye92020 | 133 | $30 |
| Measurement of Corneal Curvature and Depth of Eye92136 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 388 | 89 |
| Prednisolone Acetate | 73 | 51 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 63 | 18 |
| Brimonidine Tartrate | 40 | 11 |
| Acetazolamide | 30 | 11 |
| Moxifloxacin Hclbrand: Moxifloxacin | 29 | 22 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 27 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2022-08-03
- Certified
- 2022-08-03
Frequently asked questions
- What is Ilan Hartstein's NPI number?
- Ilan Hartstein's National Provider Identifier (NPI) is 1184646283, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ilan Hartstein's specialty?
- Ilan Hartstein is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Ilan Hartstein located?
- Ilan Hartstein's practice location on file with NPPES is 7851 Walker St Ste 207, La Palma, CA 90623-1746.
- What is Ilan Hartstein's phone number?
- The practice phone number listed in the NPPES registry for Ilan Hartstein is (714) 522-4862.
- Does Ilan Hartstein accept Medicare?
- Ilan Hartstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ilan Hartstein's NPI active?
- Yes — Ilan Hartstein's NPI (1184646283) is active in the NPPES registry as of the last update on 2022-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.