Syed Hasnain, M.D.
Ophthalmology Physician · Porterville, CA
Syed Hasnain, M.D. is an ophthalmology physician with a practice address in Porterville, California, and NPI 1821040759, issued on May 17, 2006. Check the license (California C38554, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Syed Hasnain
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- C38554 CA
Self-reported in NPPES; status is on the state search - Practice location
- 560 W Putnam Ave, Porterville, CA 93257
- Phone
- (559) 781-7482
- Enumerated
- May 17, 2006
- Entity
- Type 1 · individual
Also registered at 560 W Putnam Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Oscar Velasco, MDFamily Medicine Physician1689778235
- Brian Williams, PA-CPhysician Assistant1598701914
Verify Syed Hasnain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C38554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
63% fewer Medicare Part D claims than the average ophthalmology physician in 2024
548 Medicare Part D claims for 140 beneficiaries, against an average of 1,490 among the 16,109 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost209 claims
- Timolol Maleate125 claims
- Neomycin-Polymyxin-Dexameth52 claims
- Prednisolone Acetate37 claims
- Brimonidine Tartrate23 claims
- Dorzolamide-Timolol18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ophthalmology Physician providers in California
There are 2,888 ophthalmology physician records in California.
Other ophthalmology physician records in California
- Sam Abbassi, MD, MSWest Hills, CA1881937720
- Richard Abbott, M.D.San Francisco, CA1346276573
- Nizar Abdelfattah, MDPasadena, CA1801359393
- Parastou Abedi, MDAliso Viejo, CA1720067333
- Shahla Abedi, MDAliso Viejo, CA1467431072
- Lilit Ablabutyan, M.D.Glendale, CA1497013064
- Thomas Ableman, M.D.San Diego, CA1558415067
- Nathan Abraham, M.D.Valencia, CA1306224456
- James Abrams, M.D.San Bruno, CA1912903329
- Adam Abroms, MDWestlake Village, CA1497743702
Common questions
What is Syed Hasnain, M.D.'s NPI number?
Syed Hasnain, M.D.'s National Provider Identifier (NPI) is 1821040759, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Syed Hasnain, M.D. located?
The NPPES record lists a practice address at 560 W Putnam Ave, Porterville, CA, 93257. Phone: (559) 781-7482. Providers update this record themselves, so call before visiting.
How can I verify Syed Hasnain, M.D.'s license?
NPPES lists California license number C38554, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Syed Hasnain, M.D. prescribe under Medicare Part D?
In 2024, Syed Hasnain, M.D. had 548 Medicare Part D claims for 140 beneficiaries; the average among ophthalmology physician prescribers was 1,490. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.