Shirin Barez, MD
NPI 1659338952 · Ophthalmology Physician · Hayward, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shirin Barez, MD is a Ophthalmology Physician provider in Hayward, CA (NPI 1659338952).
Provider details
- NPI number
- 1659338952
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G75048 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,401 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Imaging of Retina92134 | 1,295 | $50 |
| Established Patient Problem Focused Exam of Visual System92012 | 1,056 | $113 |
| Injection of Drug Into Eye67028 | 561 | $140 |
| Established Patient Complete Exam of Visual System92014 | 425 | $160 |
| Exam of Visual Field With Extended Testing92083 | 249 | $83 |
| Compounded Drug, Not Otherwise ClassifiedJ7999 | 126 | $92 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 467 | 144 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 186 | 44 |
| Dorzolamide Hcl | 173 | 53 |
| Brimonidine Tartrate | 131 | 37 |
| Timolol Maleate | 99 | 24 |
| Prednisolone Acetate | 71 | 41 |
| Ketorolac Tromethamine | 42 | 35 |
| Bimatoprostbrand: Lumigan |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$662 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-28
- Last updated
- 2008-09-03
Frequently asked questions
- What is Shirin Barez's NPI number?
- Shirin Barez's National Provider Identifier (NPI) is 1659338952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shirin Barez's specialty?
- Shirin Barez is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Shirin Barez located?
- Shirin Barez's practice location on file with NPPES is 1237 B St, Hayward, CA 94541.
- What is Shirin Barez's phone number?
- The practice phone number listed in the NPPES registry for Shirin Barez is (510) 886-3937.
- Does Shirin Barez accept Medicare?
- Shirin Barez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shirin Barez's NPI active?
- Yes — Shirin Barez's NPI (1659338952) is active in the NPPES registry as of the last update on 2008-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.