Junn Cho, OD
NPI 1609596535 · Optometrist · Petaluma, CA
Enrolled with Medicare as Order and Referring Only - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Junn Cho, OD is a Optometrist provider in Petaluma, CA (NPI 1609596535).
Provider details
- NPI number
- 1609596535
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 009576 (NY)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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 methodology.
Practice location
Mailing address
Additional practice locations (2)
- 1179 N Mcdowell BlvdPetaluma, CA 94954-6559Phone: (707) 559-7500
- 305 W 44th StNew York, NY 10036-5407Phone: (212) 586-6400
Registry dates
- Enumerated
- 2022-08-31
- Last updated
- 2025-08-06
- Certified
- 2025-08-06
Frequently asked questions
- What is Junn Cho's NPI number?
- Junn Cho's National Provider Identifier (NPI) is 1609596535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Junn Cho's specialty?
- Junn Cho is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Junn Cho located?
- Junn Cho's practice location on file with NPPES is 1225 N Mcdowell Blvd, Petaluma, CA 94954-1112.
- What is Junn Cho's phone number?
- The practice phone number listed in the NPPES registry for Junn Cho is (707) 559-7500.
- Does Junn Cho accept Medicare?
- Junn Cho is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Junn Cho's NPI active?
- Yes — Junn Cho's NPI (1609596535) is active in the NPPES registry as of the last update on 2025-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.