What is Shirin Barez's specialty?

Shirin Barez (NPI 1659338952) is a Medicare-billing provider whose primary specialty is Ophthalmology in Hayward, CA.

Where does Shirin Barez practice?

Shirin Barez practices in Hayward, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1659338952.

How much does Medicare pay Shirin Barez?

Shirin Barez (NPI 1659338952) received approximately $922K in total Medicare Part B payments, serving 692 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1659338952

Shirin BarezMD

PRACTICEOPTIMA OPHTHALMIC MEDICAL ASSOCIATES, INCSee all providers at this practice →

OphthalmologyHayward, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,378

Unique beneficiaries

—

Total services

8,049

Distinct HCPCS

Medicare payment

$796K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — top quintile (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

1,299

Beneficiaries

—

Total drug cost

$81K

Distinct drugs

Brand share

22.2%

Top prescribed drugs

Latanoprost467 claims

Dorzolamide Hcl/Timolol Maleat186 claims

Dorzolamide Hcl173 claims

Brimonidine Tartrate131 claims

Timolol Maleate99 claims

QUALITY · MIPS · 2024

Final MIPS score

95.2

Quality

90.8

Cost

79.7

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.85%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$175

Payment records

By payment type

Food and Beverage$159

Entertainment$16

Top paying entities

Food and Beverage$159

Entertainment$16

REFERRAL NETWORK

Where Shirin Barez's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Optima Ophthalmic Medical Associates Inc Ambulatory Surgical Center · Hayward, CA	93	258
HSU, FRANK	19	63
PORCIUNCULA, GENEROSO	19	44
William Tanner Diagnostic Radiology · Walnut Creek, CA	16	29
Jon Keller Pathology · Palo Alto, CA	15	68
Jaya Karnani Family Practice · Castro Valley, CA	15	39
TIBURCIO VASQUEZ HEALTH CENTER, INC.	15	30
Pradeep Kumar Cardiology · Fremont, CA	15	52
MYINT, GERALD	14	58
SUTTER EAST BAY HOSPITALS	13	26
Kaarel Kaljot Internal Medicine · Hayward, CA	13	37
ALAMEDA HEALTH SYSTEM	13	23

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events