Matthew Zealear, M.D.
NPI 1366516981 · Ophthalmology Physician · Grass Valley, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Zealear, M.D. is a Ophthalmology Physician provider in Grass Valley, CA (NPI 1366516981).
Provider details
- NPI number
- 1366516981
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G53657 (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
3,871 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 Problem Focused Exam of Visual System92012 | 1,056 | $93 |
| Established Patient Complete Exam of Visual System92014 | 898 | $131 |
| Imaging of Optic Nerve92133 | 847 | $37 |
| Exam of Visual Field With Extended Testing92083 | 352 | $67 |
| New Patient Complete Exam of Visual System92004 | 200 | $154 |
| Imaging of Retina92134 | 127 | $42 |
| Exam of the Internal Drainage System of Eye92020 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 722 | 182 |
| Erythromycin Basebrand: Erythromycin | 214 | 174 |
| Timolol Maleate | 135 | 36 |
| Brimonidine Tartrate | 108 | 31 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 106 | 28 |
| Dorzolamide Hcl | 55 | 18 |
| Netarsudil Mesylatebrand: Rhopressa | 55 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$118 across 6 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
- 2006-11-17
- Last updated
- 2013-01-10
Frequently asked questions
- What is Matthew Zealear's NPI number?
- Matthew Zealear's National Provider Identifier (NPI) is 1366516981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Zealear's specialty?
- Matthew Zealear is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Zealear located?
- Matthew Zealear's practice location on file with NPPES is 400 Sierra College Dr, Grass Valley, CA 95945-5089.
- What is Matthew Zealear's phone number?
- The practice phone number listed in the NPPES registry for Matthew Zealear is (530) 272-3411.
- Does Matthew Zealear accept Medicare?
- Matthew Zealear is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Zealear's NPI active?
- Yes — Matthew Zealear's NPI (1366516981) is active in the NPPES registry as of the last update on 2013-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.