Karen Lee Santillan, O.D.
Optometrist · Bellflower, CA
Karen Lee Santillan, O.D. is an optometrist with a practice address in Bellflower, California, and NPI 1780627422, issued on Jun 13, 2006. Check the license (California 12606T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Lee Santillan
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 12606T CA
Self-reported in NPPES; status is on the state search - Practice location
- 16816 Clark Ave, Bellflower, CA 90706
- Phone
- (562) 925-6591
- Enumerated
- Jun 13, 2006
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20061019000643); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2004
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 16816 Clark Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marian Cho-Ikeda, O.D.Optometrist1316983604
- Ryan Lopez, ODOptometrist1700400777
- Sarah Wolff, O.D.Optometrist1093942203
Verify Karen Lee Santillan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12606TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average optometrist in 2024
179 Medicare Part D claims for 82 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
- Latanoprost52 claims
- Cyclosporine40 claims
- Erythromycin22 claims
- Prednisolone Acetate17 claims
- Neomycin-Polymyxin-Dexameth16 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
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Lee Santillan among 8,308 optometrist records in California
Karen Lee Santillan, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2004 · median 2008 among the 3,573 with a school on file
- Record last updated2021 · 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).
32 optometrist records list a practice address in Bellflower
They are 32 of the 1,468 NPPES records with a practice address in Bellflower, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Bellflower → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Mark Alpert, O.D.Bellflower, CA 907061801892773
- Mayra Berdugo, ODBellflower, CA 907061215004064
- Marian Cho-Ikeda, O.D.Bellflower, CA 907061316983604
- Robert Frohn, O.D.Bellflower, CA 907061467469668
- Anthony Huang, O.D.Bellflower, CA 907061659344802
- Eric Ikeda, O.D.Bellflower, CA 907061982700704
- Diane Kawamoto, ODBellflower, CA 907061366519100
- Ann Lee, ODBellflower, CA 907061598832347
Common questions
What is Karen Lee Santillan, O.D.'s NPI number?
Karen Lee Santillan, O.D.'s National Provider Identifier (NPI) is 1780627422, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Lee Santillan, O.D. located?
The NPPES record lists a practice address at 16816 Clark Ave, Bellflower, CA, 90706. Phone: (562) 925-6591. Providers update this record themselves, so call before visiting.
How can I verify Karen Lee Santillan, O.D.'s license?
NPPES lists California license number 12606T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Lee Santillan, O.D. prescribe under Medicare Part D?
In 2024, Karen Lee Santillan, O.D. had 179 Medicare Part D claims for 82 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.