Jonathan Mak, OD
Optometrist · Ventura, CA
Jonathan Mak, OD is an optometrist with a practice address in Ventura, California, and NPI 1891219846, issued on Aug 1, 2017. Check the license (California 33779TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jonathan Mak
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 33779TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 801 S Victoria Ave Ste 206, Ventura, CA 93003
- Phone
- (805) 650-2020
- Enumerated
- Aug 1, 2017
- Record last updated
- Apr 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20170906003325); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 801 S Victoria Ave Ste 206
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristopher Skromme, O.D.Optometrist1437452950
Verify Jonathan Mak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 33779TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average optometrist in 2024
46 Medicare Part D claims for 28 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.
Most prescribed
- Latanoprost16 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.
Industry payments in 2024: $180.62
3 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. The 34,453 providers of this specialty with any payment received $769.99 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 one group practice
- Total Vision PCLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Mak among 8,308 optometrist records in California
Jonathan Mak, OD 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 2017, is newer than 76% of them.
- NPI issued2017 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2017 · median 2008 among the 3,573 with a school on file
- Record last updated2023 · 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).
51 optometrist records list a practice address in Ventura
They are 51 of the 4,435 NPPES records with a practice address in Ventura, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Ventura → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Richard Blue, ODVentura, CA 930031366523193
- Michael Boggs, O.D.Ventura, CA 930031447287503
- Mark Bozek, O.D.Ventura, CA 930031649249319
- Mark Brunette, O.D.Ventura, CA 930031538105846
- Dan Clower, O.D.Ventura, CA 930031720015811
- James Deardorff, O.D.Ventura, CA 930031598780611
- John Floryan, O.D.Ventura, CA 930031700853462
- Thomas Funnell, ODVentura, CA 930031851401020
Common questions
What is Jonathan Mak, OD's NPI number?
Jonathan Mak, OD's National Provider Identifier (NPI) is 1891219846, issued on Aug 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Mak, OD located?
The NPPES record lists a practice address at 801 S Victoria Ave Ste 206, Ventura, CA, 93003. Phone: (805) 650-2020. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Mak, OD's license?
NPPES lists California license number 33779TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jonathan Mak, OD prescribe under Medicare Part D?
In 2024, Jonathan Mak, OD had 46 Medicare Part D claims for 28 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.