Lilly Chang, OD
Optometrist · Sonoma, CA
Lilly Chang, OD is an optometrist with a practice address in Sonoma, California, and NPI 1619521259, issued on Jul 31, 2019. Check the license (California 34315TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lilly Chang
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34315TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 201 W Napa St Ste 3, Sonoma, CA 95476
- Phone
- (707) 938-3937
- Enumerated
- Jul 31, 2019
- Record last updated
- Oct 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191003000620); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2019
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Lilly Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34315TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Advanced Eyecare Professional Optometric GroupGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lilly Chang among 8,308 optometrist records in California
Lilly Chang, 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 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2019 · median 2008 among the 3,573 with a school on file
- Record last updated2020 · 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).
7 optometrist records list a practice address in Sonoma
They are 7 of the 395 NPPES records with a practice address in Sonoma, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Sonoma → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Yarigtnetzilem Diez Gonzalez, O.D.Sonoma, CA 954761588913206
- Dean Ezaki, O.D.Sonoma, CA 954761194796078
- Kevin Martin, O.D.Sonoma, CA 954761558405787
- Laura Martin, O.D.Sonoma, CA 954761164567152
- Lisa Teel, ODSonoma, CA 954761144337650
- David Todd, ODSonoma, CA 954761003020223
- Karin Boehm, O.D.Sebastopol, CA 954721689671976
- John Downing, OD PHDSebastopol, CA 954721679639983
Common questions
What is Lilly Chang, OD's NPI number?
Lilly Chang, OD's National Provider Identifier (NPI) is 1619521259, issued on Jul 31, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Lilly Chang, OD located?
The NPPES record lists a practice address at 201 W Napa St Ste 3, Sonoma, CA, 95476. Phone: (707) 938-3937. Providers update this record themselves, so call before visiting.
How can I verify Lilly Chang, OD's license?
NPPES lists California license number 34315TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
What is Lilly Chang, OD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.