John Shin, M.D.
NPI 1114920477 · Specialist · San Rafael, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Shin, M.D. is a Specialist provider in San Rafael, CA (NPI 1114920477).
Provider details
- NPI number
- 1114920477
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G77943 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
5,443 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,798 | $109 |
| Established Patient Complete Exam of Visual System92014 | 1,200 | $158 |
| Imaging of Optic Nerve92133 | 505 | $43 |
| Exam of Visual Field With Extended Testing92083 | 382 | $82 |
| Imaging of Retina92134 | 337 | $50 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 252 | $48 |
| Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 763 | 207 |
| Timolol Maleate | 195 | 55 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 156 | 43 |
| Bimatoprostbrand: Lumigan | 151 | 37 |
| Brimonidine Tartrate | 94 | 28 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 81 | 62 |
| Prednisolone Acetate | 80 | 58 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$84 across 4 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
- 2005-05-31
- Last updated
- 2007-07-16
Frequently asked questions
- What is John Shin's NPI number?
- John Shin's National Provider Identifier (NPI) is 1114920477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Shin's specialty?
- John Shin is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is John Shin located?
- John Shin's practice location on file with NPPES is 901 E St, San Rafael, CA 94901-2850.
- What is John Shin's phone number?
- The practice phone number listed in the NPPES registry for John Shin is (415) 454-5565.
- Does John Shin accept Medicare?
- John Shin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Shin's NPI active?
- Yes — John Shin's NPI (1114920477) is active in the NPPES registry as of the last update on 2007-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.