Geraldine Royle Brooks, O.D.
Optometrist · Rocklin, CA
Geraldine Royle Brooks, O.D. is an optometrist with a practice address in Rocklin, California, and NPI 1083681571, issued on Mar 2, 2006. Check the license (California 10408T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Geraldine Royle Brooks
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 10408T CA
Self-reported in NPPES; status is on the state search - Practice location
- 2230 Sunset Blvd, Rocklin, CA 95765
- Phone
- (916) 259-2020
- Enumerated
- Mar 2, 2006
- Record last updated
- Feb 22, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090211000278); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 2230 Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melanie Keith, LACAcupuncturist1902011620
Verify Geraldine Royle Brooks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 10408TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average optometrist in 2024
94 Medicare Part D claims for 38 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 69% of claims.
Most prescribed
- Latanoprost35 claims
- Restasis18 claims
- Cyclosporine15 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: $21.62
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.
Geraldine Royle Brooks among 8,308 optometrist records in California
Geraldine Royle Brooks, 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
- Graduated1994 · median 2008 among the 3,573 with a school on file
- Record last updated2017 · 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 Rocklin → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Elizabeth Boliard, ODRocklin, CA 957651124736178
- Jerome Brendel, O.D.Rocklin, CA 957651831189620
- Kristyna Lensky Sipes, ODRocklin, CA 957651760565667
- Douglas Aaseby, O.D.El Dorado Hills, CA 957621962715961
- Joshua Baer, O.D.El Dorado Hills, CA 957621881889137
- Genevieve Corrigan, O.D.El Dorado Hills, CA 957621295738847
- Douglas Hollabaugh, O.D.El Dorado Hills, CA 957621407908692
- Kambiz Khorram, O.D.El Dorado Hills, CA 957621548310105
Common questions
What is Geraldine Royle Brooks, O.D.'s NPI number?
Geraldine Royle Brooks, O.D.'s National Provider Identifier (NPI) is 1083681571, issued on Mar 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Geraldine Royle Brooks, O.D. located?
The NPPES record lists a practice address at 2230 Sunset Blvd, Rocklin, CA, 95765. Phone: (916) 259-2020. Providers update this record themselves, so call before visiting.
How can I verify Geraldine Royle Brooks, O.D.'s license?
NPPES lists California license number 10408T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Geraldine Royle Brooks, O.D. prescribe under Medicare Part D?
In 2024, Geraldine Royle Brooks, O.D. had 94 Medicare Part D claims for 38 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.