Shirin Barez, MD
Ophthalmology Physician · Hayward, CA
Shirin Barez, MD is an ophthalmology physician with a practice address in Hayward, California, and NPI 1659338952, issued on Apr 28, 2006. Check the license (California G75048, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shirin Barez
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G75048 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1237 B St, Hayward, CA 94541
- Phone
- (510) 886-3937
- Enumerated
- Apr 28, 2006
- Record last updated
- Sep 3, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (510) 886-6304
- Medicare enrollment
- Enrolled (PECOS I20081016000458); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 1237 B St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tonya Alberelli, M.D.Ophthalmology Physician1619263233
- Patricia Ferrell, MDOphthalmology Physician1073570388
- Suzan Inadomi, O.D.Optometrist1396099800
- Robin Kuriakose, MDOphthalmology Physician1902302359
- Valerie Lim, O.D.Optometrist1346377439
- Mark Mandel, MDOphthalmology Physician1770541294
Verify Shirin Barez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,413 Medicare Part D claims for 288 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost467 claims
- Dorzolamide-Timolol186 claims
- Dorzolamide Hcl173 claims
- Brimonidine Tartrate131 claims
- Timolol Maleate99 claims
- Prednisolone Acetate71 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $662.35
13 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Optima Ophthalmic Medical Associates IncHayward, CA
- Regents OF The University OF California AT BerkeleyBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shirin Barez among 2,899 ophthalmology physician records in California
Shirin Barez, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1988 · median 2001 among the 1,907 with a school on file
- Record last updated2008 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Hayward → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Tonya Alberelli, M.D.Hayward, CA 945411619263233
- Patricia Ferrell, MDHayward, CA 945411073570388
- Robin Kuriakose, MDHayward, CA 945411902302359
- Mark Mandel, MDHayward, CA 945411770541294
- David Green, M.DFremont, CA 945391972958866
- Sarbjit Hundal, M.D.Fremont, CA 945391871504605
- Amy Badger-Asaravala, M.D.Fremont, CA 945381831389089
- Audrey Chow, MDFremont, CA 945381386106441
Common questions
What is Shirin Barez, MD's NPI number?
Shirin Barez, MD's National Provider Identifier (NPI) is 1659338952, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shirin Barez, MD located?
The NPPES record lists a practice address at 1237 B St, Hayward, CA, 94541. Phone: (510) 886-3937. Providers update this record themselves, so call before visiting.
How can I verify Shirin Barez, MD's license?
NPPES lists California license number G75048, 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 Shirin Barez, MD prescribe under Medicare Part D?
In 2024, Shirin Barez, MD had 1,413 Medicare Part D claims for 288 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Shirin Barez, MD's MIPS final score?
The 2023 MIPS final score is 86.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.