Geoffrey Bryan Chaffe, O.D.
Optometrist · Atascadero, CA
Geoffrey Bryan Chaffe, O.D. is an optometrist with a practice address in Atascadero, California, and NPI 1255373551, issued on Jun 12, 2006. Check the license (California 6409T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Geoffrey Bryan Chaffe
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 6409T CA
Self-reported in NPPES; status is on the state search - Practice location
- 6480 Palma Ave, Atascadero, CA 93422
- Phone
- (805) 466-4877
- Enumerated
- Jun 12, 2006
- Record last updated
- Jun 25, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (805) 466-1149
- Medicaid ID
- SD0064090 CA
- Medicare enrollment
- Enrolled (PECOS I20120210000606); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1978
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Geoffrey Bryan Chaffe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 6409TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average optometrist in 2024
432 Medicare Part D claims for 104 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Latanoprost214 claims
- Timolol Maleate71 claims
- Neomycin-Polymyxin-Dexameth40 claims
- Brimonidine Tartrate21 claims
- Fluorometholone13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $26.40
1 payment: food and beverage; the largest payer was Abbvie Inc. 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
- Sani Eye Center Inc.Templeton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geoffrey Bryan Chaffe among 8,308 optometrist records in California
Geoffrey Bryan Chaffe, 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
- Graduated1978 · median 2008 among the 3,573 with a school on file
- Record last updated2009 · 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 Atascadero → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Elaine Cormier, ODAtascadero, CA 934221427029099
- Steven Hider, O.D.Atascadero, CA 934221497739106
- Wenjun Huang, O.D.Atascadero, CA 934221972910578
- Quyen Immoos, O.D.Atascadero, CA 934221215912449
- Thomas Johnson, O.D.Atascadero, CA 934221053767228
- Andrew Rummel, ODAtascadero, CA 934221184754574
- Lauren Tackett, O.D.Atascadero, CA 934221164618682
- David Malouf, ODArroyo Grande, CA 934201093695827
Common questions
What is Geoffrey Bryan Chaffe, O.D.'s NPI number?
Geoffrey Bryan Chaffe, O.D.'s National Provider Identifier (NPI) is 1255373551, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Bryan Chaffe, O.D. located?
The NPPES record lists a practice address at 6480 Palma Ave, Atascadero, CA, 93422. Phone: (805) 466-4877. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Bryan Chaffe, O.D.'s license?
NPPES lists California license number 6409T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Geoffrey Bryan Chaffe, O.D. prescribe under Medicare Part D?
In 2024, Geoffrey Bryan Chaffe, O.D. had 432 Medicare Part D claims for 104 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Geoffrey Bryan Chaffe, O.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.