Rachel M. Gannam, OD
Optometrist · Thousand Oaks, CA
Rachel M. Gannam, OD is an optometrist with a practice address in Thousand Oaks, California, and NPI 1073528949, issued on Jul 29, 2006. Check the license (California OPT13020, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rachel M. Gannam
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT13020 CA
Self-reported in NPPES; status is on the state search - Practice location
- 155 E Wilbur RD Ste 101, Thousand Oaks, CA 91360
- Phone
- (805) 497-7840
- Enumerated
- Jul 29, 2006
- Record last updated
- Jan 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (805) 373-0577
- Medicare enrollment
- Enrolled (PECOS I20061120000611); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 2006
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Rachel M. Gannam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT13020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average optometrist in 2024
12 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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: $33.04
1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 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 one group practice
- Paul A Snyder OD IncThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachel M. Gannam among 8,308 optometrist records in California
Rachel M. Gannam, 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 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
- Graduated2006 · median 2008 among the 3,573 with a school on file
- Record last updated2012 · 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).
19 optometrist records list a practice address in Thousand Oaks
They are 19 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Thousand Oaks → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Lisa Fontaine, O.DThousand Oaks, CA 913601134341944
- Jason Griffith, O.D.Thousand Oaks, CA 913601154309789
- Stacy Hamlet, O.D.Thousand Oaks, CA 913601730167354
- Glenn Kawaguchi, O.D.Thousand Oaks, CA 913601275727992
- Jeffrey Kubo, O.D.Thousand Oaks, CA 913601215071824
- Andrew Marinkovich, O.D.Thousand Oaks, CA 913601649321225
- Pegah Raven, ODThousand Oaks, CA 913601447560388
- Dan Rieder, O.D.Thousand Oaks, CA 913601316028012
Common questions
What is Rachel M. Gannam, OD's NPI number?
Rachel M. Gannam, OD's National Provider Identifier (NPI) is 1073528949, issued on Jul 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rachel M. Gannam, OD located?
The NPPES record lists a practice address at 155 E Wilbur RD Ste 101, Thousand Oaks, CA, 91360. Phone: (805) 497-7840. Providers update this record themselves, so call before visiting.
How can I verify Rachel M. Gannam, OD's license?
NPPES lists California license number OPT13020, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Rachel M. Gannam, OD prescribe under Medicare Part D?
In 2024, Rachel M. Gannam, OD had 12 Medicare Part D claims; 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.