Stephen Russell Chun, OD, FAAO
Vision Therapy Optometrist · Berkeley, CA
Stephen Russell Chun, OD, FAAO is a vision therapy optometrist with a practice address in Berkeley, California, and NPI 1942366133, issued on Dec 29, 2006. Check the license (California 5835TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Russell Chun
- Credential
- OD, FAAO
- Primary taxonomy
- Vision Therapy Optometrist 152WV0400X
- License number
- 5835TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 2414 Shattuck Ave, Berkeley, CA 94704
- Phone
- (510) 843-1228
- Enumerated
- Dec 29, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (510) 524-1062
- Medicaid ID
- SD005835 CA
- Medicare enrollment
- Enrolled (PECOS I20090706000683); accepts Medicare assignment
- Medical or professional school
- Berkeley Northeastern State University - College Of Medicine, 1974
- Entity
- Type 1 · individual
8 nearest vision therapy optometrist records → All 57 in California → Look up another NPI →
Also registered at 2414 Shattuck Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Fujikawa, O.D.Optometrist1366507352
- Rose Hoang, ODOptometrist1588285811
Verify Stephen Russell Chun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 5835TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average vision therapy optometrist in 2024
39 Medicare Part D claims for 11 beneficiaries, against an average of 189 among the 109 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Restasis13 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: $82.30
4 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 146 providers of this specialty with any payment received $1,184.25 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
- Mark A Fujikawa And Stephen R Chun PtrBerkeley, CA
- Regents OF The University OF California AT BerkeleyBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Russell Chun among 57 vision therapy optometrist records in California
Stephen Russell Chun, OD, FAAO is one of 57 vision therapy optometrist records with a practice address in California. 56% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 58% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1974 · median 1993 among the 26 with a school on file
- Record last updated2025 · 84% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152WV0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vision Therapy Optometrist providers in California
There are 57 vision therapy optometrist records in California.
All 57 in California → Every provider in Berkeley → Vision Therapy Optometrist nationwide →
The 8 vision therapy optometrist records with the nearest ZIP codes
- Kelly Kao, O.D.Berkeley, CA 947201578792891
- Darlene Fong, ODOakland, CA 946111952451007
- Carl Hirsch, O.D.Walnut Creek, CA 945961124098835
- Nguyen Tran, O.D.Walnut Creek, CA 945961255587291
- Tanya Mahaphon, O.D.Napa, CA 945581003918012
- Gina Day, O.D.Larkspur, CA 949391972725760
- Colin Kageyama, O.D.Campbell, CA 950081871867358
- Kelly Kageyama, O.D.Campbell, CA 950081316376197
Common questions
What is Stephen Russell Chun, OD, FAAO's NPI number?
Stephen Russell Chun, OD, FAAO's National Provider Identifier (NPI) is 1942366133, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Russell Chun, OD, FAAO located?
The NPPES record lists a practice address at 2414 Shattuck Ave, Berkeley, CA, 94704. Phone: (510) 843-1228. Providers update this record themselves, so call before visiting.
How can I verify Stephen Russell Chun, OD, FAAO's license?
NPPES lists California license number 5835TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stephen Russell Chun, OD, FAAO prescribe under Medicare Part D?
In 2024, Stephen Russell Chun, OD, FAAO had 39 Medicare Part D claims for 11 beneficiaries; the average among vision therapy optometrist prescribers was 189. 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.