Gayle Shimokaji, MD
NPI 1912099672 · Ophthalmology Physician · Greenbrae, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gayle Shimokaji, MD is a Ophthalmology Physician provider in Greenbrae, CA (NPI 1912099672).
Provider details
- NPI number
- 1912099672
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G063936 (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
19 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
6,400 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) |
|---|---|---|
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, Each Additional 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99489 | 2,231 | $88 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 1,404 | $47 |
| Care Management Services for Behavioral Health Conditions, 20 Minutes Or More Clinical Staff Time Directed By Health Care Professional99484 | 555 | $65 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 551 | $164 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 472 | $60 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 85 | 19 |
| Bimatoprostbrand: Lumigan | 44 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 36 | — |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 33 | — |
| Brimonidine Tartrate | 24 | — |
| Timolol Maleate | 21 | — |
| Netarsudil Mesylatebrand: Rhopressa | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,866 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
- 2006-09-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gayle Shimokaji's NPI number?
- Gayle Shimokaji's National Provider Identifier (NPI) is 1912099672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gayle Shimokaji's specialty?
- Gayle Shimokaji is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gayle Shimokaji located?
- Gayle Shimokaji's practice location on file with NPPES is 1000 S Elisco, Greenbrae, CA 94904.
- What is Gayle Shimokaji's phone number?
- The practice phone number listed in the NPPES registry for Gayle Shimokaji is (415) 925-2020.
- Does Gayle Shimokaji accept Medicare?
- Gayle Shimokaji is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gayle Shimokaji's NPI active?
- Yes — Gayle Shimokaji's NPI (1912099672) 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.