NPPES file of Aug 9, 2026

Duane Thomas Brooks, O.D.

Optometrist · Mount Shasta, CA

Duane Thomas Brooks, O.D. is an optometrist with a practice address in Mount Shasta, California, and NPI 1063415065, issued on May 23, 2005. Check the license (California 5366T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063415065
Name
Duane Thomas Brooks
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
5366T CA
777T NE
Self-reported in NPPES; status is on the state search
Practice location
110 Chestnut St, Mount Shasta, CA 96067
Phone
(530) 926-2033
Enumerated
May 23, 2005
Record last updated
Nov 28, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(530) 926-3722
Medicaid ID
SD0053660 CA
Medicare enrollment
Enrolled (PECOS I20081125000760); accepts Medicare assignment
Medical or professional school
Pacific University - College Of Optometry, 1971
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Duane Thomas Brooks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 5366T
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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85% fewer Medicare Part D claims than the average optometrist in 2024

42 Medicare Part D claims for 17 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.

  1. Duane Brooks42
  2. Specialty average277

Most prescribed

  1. Tobramycin-Dexamethasone17 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: $103.35

1 payment: food and beverage; the largest payer was Oyster Point Pharma, 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.

  1. Duane Brooks$103.35
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Optometrist providers in California

There are 8,308 optometrist records in California.

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

Common questions

What is Duane Thomas Brooks, O.D.'s NPI number?

Duane Thomas Brooks, O.D.'s National Provider Identifier (NPI) is 1063415065, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Duane Thomas Brooks, O.D. located?

The NPPES record lists a practice address at 110 Chestnut St, Mount Shasta, CA, 96067. Phone: (530) 926-2033. Providers update this record themselves, so call before visiting.

How can I verify Duane Thomas Brooks, O.D.'s license?

NPPES lists California license number 5366T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Duane Thomas Brooks, O.D. prescribe under Medicare Part D?

In 2024, Duane Thomas Brooks, O.D. had 42 Medicare Part D claims for 17 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.