Joseph Decker, M.D.
NPI 1871546010 · Ophthalmology Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Decker, M.D. is a Ophthalmology Physician provider in San Jose, CA (NPI 1871546010).
Provider details
- NPI number
- 1871546010
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G11266 (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
1,175 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 Complete Exam of Visual System92014 | 350 | $159 |
| Imaging of Retina92134 | 245 | $50 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 159 | $155 |
| Imaging of Optic Nerve92133 | 116 | $46 |
| Exam of the Internal Drainage System of Eye92020 | 111 | $33 |
| Exam of Visual Field With Extended Testing92083 | 88 | $83 |
| New Patient Complete Exam of Visual System |
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 | 236 | 57 |
| Cyclosporinebrand: Restasis | 67 | 26 |
| Cyclosporine | 50 | 18 |
| Latanoprostene Bunodbrand: Vyzulta | 49 | 16 |
| Varenicline Tartratebrand: Tyrvaya | 43 | 11 |
| Brimonidine Tartrate | 42 | — |
| Cyclosporinebrand: Cequa | 40 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$411 across 14 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
- 2006-05-18
- Last updated
- 2016-01-06
Frequently asked questions
- What is Joseph Decker's NPI number?
- Joseph Decker's National Provider Identifier (NPI) is 1871546010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Decker's specialty?
- Joseph Decker is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Decker located?
- Joseph Decker's practice location on file with NPPES is 123 Di Salvo Ave, San Jose, CA 95128-1717.
- What is Joseph Decker's phone number?
- The practice phone number listed in the NPPES registry for Joseph Decker is (408) 279-4664.
- Does Joseph Decker accept Medicare?
- Joseph Decker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Decker's NPI active?
- Yes — Joseph Decker's NPI (1871546010) is active in the NPPES registry as of the last update on 2016-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.