Joseph Lin, M.D.
NPI 1346404340 · Ophthalmology Physician · West Covina, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Lin, M.D. is a Ophthalmology Physician provider in West Covina, CA (NPI 1346404340).
Provider details
- NPI number
- 1346404340
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A114615 (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
17 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
1,315 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) |
|---|---|---|
| Photography of Content of Eyes92285 | 545 | $28 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 348 | $147 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 183 | $190 |
| Repair of Wound of Eyelids, Nose, Ears, Or Lips By Transferring Skin, 10.0 Sq Cm Or Less14060 | 34 | $709 |
| Injection of Chemical for Paralysis of Nerve Muscles on Side of Face64612 | 33 | $180 |
| Removal of Excessive Skin and Fat of Upper Eyelid15823 | 28 |
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 |
|---|---|---|
| Erythromycin Basebrand: Erythromycin | 578 | 386 |
| Diazepam | 205 | 198 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 189 | 183 |
| Prednisolone Acetate | 177 | 149 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 70 | 61 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 59 | 59 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$279 across 2 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
- 2008-07-18
- Last updated
- 2021-11-29
Frequently asked questions
- What is Joseph Lin's NPI number?
- Joseph Lin's National Provider Identifier (NPI) is 1346404340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Lin's specialty?
- Joseph Lin is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Lin located?
- Joseph Lin's practice location on file with NPPES is 1135 S Sunset Ave, West Covina, CA 91790-3937.
- What is Joseph Lin's phone number?
- The practice phone number listed in the NPPES registry for Joseph Lin is (626) 653-9395.
- Does Joseph Lin accept Medicare?
- Joseph Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Lin's NPI active?
- Yes — Joseph Lin's NPI (1346404340) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.