Cary M. Neunzig, O.D.
Optometrist · Gilroy, CA
Cary M. Neunzig, O.D. is an optometrist with a practice address in Gilroy, California, and NPI 1639217235, issued on Feb 3, 2007. Check the license (California OPT 8432 TPG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cary M. Neunzig
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- OPT 8432 TPG CA
OPT 8432 TPA CA
Self-reported in NPPES; status is on the state search - Practice location
- 7520 Arroyo Cir, Gilroy, CA 95020
- Phone
- (408) 848-4600
- Enumerated
- Feb 3, 2007
- Record last updated
- Jan 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20090122000165); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 1986
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 7520 Arroyo Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vasumitha Alamelu, MDInternal Medicine Physician1194801613
- Heather AnkenyClinical Psychologist1235329012
- John Arvizu, O.D.Corneal and Contact Management Optometrist1326195538
- Robert Biggs, MDInternal Medicine Physician1770669277
- Paul Cheesman, MDPediatrics Physician1457437972
Verify Cary M. Neunzig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT 8432 TPGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average optometrist in 2024
84 Medicare Part D claims for 50 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Fluorometholone33 claims
- Neomycin-Polymyxin-Dexameth18 claims
- Cyclosporine16 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.
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cary M. Neunzig among 8,308 optometrist records in California
Cary M. Neunzig, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1986 · median 2008 among the 3,573 with a school on file
- Record last updated2022 · 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 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 optometrist records list a practice address in Gilroy
They are 16 of the 2,100 NPPES records with a practice address in Gilroy, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Gilroy → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Daniel Brown, O.D.Gilroy, CA 950201477690626
- Nhu Chu, O.D.Gilroy, CA 950201952454001
- Joanne Du, ODGilroy, CA 950201649852120
- Peter Kovach, O.D.Gilroy, CA 950201568593689
- David Lam, O.D.Gilroy, CA 950201942613575
- Phuc Le, OPTOMETRISTGilroy, CA 950201487691085
- Isabella Myers, O.D.Gilroy, CA 950201568918225
- Paresh Patel, O.D.Gilroy, CA 950201285773804
Common questions
What is Cary M. Neunzig, O.D.'s NPI number?
Cary M. Neunzig, O.D.'s National Provider Identifier (NPI) is 1639217235, issued on Feb 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cary M. Neunzig, O.D. located?
The NPPES record lists a practice address at 7520 Arroyo Cir, Gilroy, CA, 95020. Phone: (408) 848-4600. Providers update this record themselves, so call before visiting.
How can I verify Cary M. Neunzig, O.D.'s license?
NPPES lists California license number OPT 8432 TPG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Cary M. Neunzig, O.D. prescribe under Medicare Part D?
In 2024, Cary M. Neunzig, O.D. had 84 Medicare Part D claims for 50 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
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.