Syed Hasnain, M.D.
NPI 1821040759 · Ophthalmology Physician · Porterville, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Syed Hasnain, M.D. is a Ophthalmology Physician provider in Porterville, CA (NPI 1821040759).
Provider details
- NPI number
- 1821040759
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- C38554 (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
20 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
433 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) |
|---|---|---|
| Photography of the Retina92250 | 166 | $38 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 120 | $93 |
| Established Patient Complete Exam of Visual System92014 | 83 | $130 |
| New Patient Complete Exam of Visual System92004 | 64 | $154 |
Typical Medicare-allowed amounts for these services range $38–$154 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 209 | 43 |
| Timolol Maleate | 125 | 30 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 52 | 44 |
| Prednisolone Acetate | 37 | 24 |
| Brimonidine Tartrate | 23 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 18 | — |
| Moxifloxacin Hclbrand: Moxifloxacin | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Syed Hasnain's NPI number?
- Syed Hasnain's National Provider Identifier (NPI) is 1821040759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Syed Hasnain's specialty?
- Syed Hasnain is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Syed Hasnain located?
- Syed Hasnain's practice location on file with NPPES is 560 W Putnam Ave, Porterville, CA 93257-3269.
- What is Syed Hasnain's phone number?
- The practice phone number listed in the NPPES registry for Syed Hasnain is (559) 781-7482.
- Does Syed Hasnain accept Medicare?
- Syed Hasnain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Syed Hasnain's NPI active?
- Yes — Syed Hasnain's NPI (1821040759) 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.