Matthew Zealear, M.D.
Ophthalmology Physician · Grass Valley, CA
Matthew Zealear, M.D. is an ophthalmology physician with a practice address in Grass Valley, California, and NPI 1366516981, issued on Nov 17, 2006. Check the license (California G53657, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Zealear
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G53657 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Sierra College Dr, Grass Valley, CA 95945
- Phone
- (530) 272-3411
- Enumerated
- Nov 17, 2006
- Record last updated
- Jan 10, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (530) 272-3474
- Medicaid IDs
- G536570 CA
GR0004680 CA - Medicare enrollment
- Enrolled (PECOS I20070926001088); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 400 Sierra College Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Hagele, M.D.Ophthalmology Physician1134200629
- Keith Mercer, M.D.Ophthalmology Physician1568543049
Verify Matthew Zealear in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G53657Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average ophthalmology physician in 2024
1,911 Medicare Part D claims for 517 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Latanoprost722 claims
- Erythromycin214 claims
- Timolol Maleate135 claims
- Brimonidine Tartrate108 claims
- Dorzolamide-Timolol106 claims
- Dorzolamide Hcl55 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 97.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $117.80
6 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Sierra View Medical Eye IncGrass Valley, CA
- Western Sierra Medical Clinic IncDownieville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Zealear among 2,899 ophthalmology physician records in California
Matthew Zealear, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1982 · median 2001 among the 1,907 with a school on file
- Record last updated2013 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Grass Valley → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- John Hagele, M.D.Grass Valley, CA 959451134200629
- Keith Mercer, M.D.Grass Valley, CA 959451568543049
- Joel Barthelow, M.D.Chico, CA 959281013974625
- Terrence Spencer, M.D.Chico, CA 959281538124292
- John Stabel, M.D.Chico, CA 959281073576328
- Pablo Arregui, MDChico, CA 959261043253347
- Michael Goloff, M.D.Chico, CA 959261861837452
- Jordan Hastings, MDChico, CA 959261609457308
Common questions
What is Matthew Zealear, M.D.'s NPI number?
Matthew Zealear, M.D.'s National Provider Identifier (NPI) is 1366516981, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Zealear, M.D. located?
The NPPES record lists a practice address at 400 Sierra College Dr, Grass Valley, CA, 95945. Phone: (530) 272-3411. Providers update this record themselves, so call before visiting.
How can I verify Matthew Zealear, M.D.'s license?
NPPES lists California license number G53657, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Zealear, M.D. prescribe under Medicare Part D?
In 2024, Matthew Zealear, M.D. had 1,911 Medicare Part D claims for 517 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Matthew Zealear, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.