Junn Cho, OD
Optometrist · Petaluma, CA
Junn Cho, OD is an optometrist with a practice address in Petaluma, California, and NPI 1609596535, issued on Aug 31, 2022. Check the license (California 35638, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Junn Cho
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 35638 CA
009576 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1225 N Mcdowell Blvd, Petaluma, CA 94954
- Phone
- (707) 559-7500
- Enumerated
- Aug 31, 2022
- Record last updated
- Aug 6, 2025
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1225 N Mcdowell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Junn Cho in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 35638Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Junn Cho among 8,308 optometrist records in California
Junn Cho, 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 not. Its NPI, issued in 2022, is newer than 89% of them.
- NPI issued2022 · 89% of these records are older, 8% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2025 · 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).
Optometrist providers in California
There are 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,308 in California → Every provider in Petaluma → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Richard Aston, O.D.Petaluma, CA 949541518939156
- Marques Bostic, O.DPetaluma, CA 949541265753404
- Laura Carter, OD, MPHPetaluma, CA 949541932834355
- Frank Chao, O.D.Petaluma, CA 949541639228448
- Ronald Harris, O.D.Petaluma, CA 949541437159803
- Liana Lam, O.D.Petaluma, CA 949541437291028
- Jean Brennan, O.D.Petaluma, CA 949521740321710
- Mina Chen, ODPetaluma, CA 949521982263265
Common questions
What is Junn Cho, OD's NPI number?
Junn Cho, OD's National Provider Identifier (NPI) is 1609596535, issued on Aug 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Junn Cho, OD located?
The NPPES record lists a practice address at 1225 N Mcdowell Blvd, Petaluma, CA, 94954. Phone: (707) 559-7500. Providers update this record themselves, so call before visiting.
How can I verify Junn Cho, OD's license?
NPPES lists California license number 35638, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.