Katrina Ann Gallardo-Chang, O.D.
Optometrist · Sacramento, CA
Katrina Ann Gallardo-Chang, O.D. is an optometrist with a practice address in Sacramento, California, and NPI 1568711497, issued on Sep 6, 2012. Check the license (California OPT 14453 TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katrina Ann Gallardo-Chang
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT 14453 TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 O St Ste 102, Sacramento, CA 95814
- Phone
- (916) 443-3524
- Enumerated
- Sep 6, 2012
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140416002467); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2012
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 400 O St Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Sakamoto, O.D.Optometrist1942350376
- Kenneth Sakazaki, ODOptometrist1235297433
- Ernest Takahashi, ODOptometrist1811055007
Verify Katrina Ann Gallardo-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 OPT 14453 TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average optometrist in 2024
113 Medicare Part D claims for 37 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost66 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.
Bills Medicare through one group practice
- Third Optometric Care OF CaliforniaSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katrina Ann Gallardo-Chang among 8,308 optometrist records in California
Katrina Ann Gallardo-Chang, O.D. 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 2012, is newer than 64% of them.
- NPI issued2012 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2012 · median 2008 among the 3,573 with a school on file
- Record last updated2018 · 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.
All 8,308 in California → Every provider in Sacramento → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Helen Kwong, O.D.Sacramento, CA 958141316097181
- Cindy Lam, ODSacramento, CA 958141487266920
- Nichole Moos, O.D.Sacramento, CA 958141841674850
- Albert Nguyen, O.D.Sacramento, CA 958141992138044
- Soo Jin Noh, O.D.Sacramento, CA 958141326474602
- Kristen Sakamoto, O.D.Sacramento, CA 958141942350376
- Kenneth Sakazaki, ODSacramento, CA 958141235297433
- Kelvin Sue, O.D.Sacramento, CA 958141740376375
Common questions
What is Katrina Ann Gallardo-Chang, O.D.'s NPI number?
Katrina Ann Gallardo-Chang, O.D.'s National Provider Identifier (NPI) is 1568711497, issued on Sep 6, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Katrina Ann Gallardo-Chang, O.D. located?
The NPPES record lists a practice address at 400 O St Ste 102, Sacramento, CA, 95814. Phone: (916) 443-3524. Providers update this record themselves, so call before visiting.
How can I verify Katrina Ann Gallardo-Chang, O.D.'s license?
NPPES lists California license number OPT 14453 TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katrina Ann Gallardo-Chang, O.D. prescribe under Medicare Part D?
In 2024, Katrina Ann Gallardo-Chang, O.D. had 113 Medicare Part D claims for 37 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.