NPPES file of Aug 9, 2026

Damon Matthew Ellis, O.D.

Optometrist · Oakland, CA

Damon Matthew Ellis, O.D. is an optometrist with a practice address in Oakland, California, and NPI 1023231917, issued on Apr 10, 2007. Check the license (California 11878T, 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
1023231917
Name
Damon Matthew Ellis
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
11878T CA
Self-reported in NPPES; status is on the state search
Practice location
3205 Grand Ave, Oakland, CA 94610
Phone
(510) 444-0666
Enumerated
Apr 10, 2007
Record last updated
Feb 5, 2025
Medicaid ID
SD0018780 CA
Medicare enrollment
Enrolled (PECOS I20151125001742); accepts Medicare assignment
Medical or professional school
University Of California - School Of Optometry, 2002
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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Also registered at 3205 Grand Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephanie Clark, ODOptometrist1730346172
  2. Robert Pfost, ODCorneal and Contact Management Optometrist1790810364

Verify Damon Matthew Ellis 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 11878T
    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
Find the California license search

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82% fewer Medicare Part D claims than the average optometrist in 2024

51 Medicare Part D claims for 22 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.

  1. Damon Ellis51
  2. Specialty average277

Most prescribed

  1. Latanoprost28 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.

Damon Matthew Ellis among 8,308 optometrist records in California

Damon Matthew Ellis, 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 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2002 · median 2008 among the 3,573 with a school on file
  • Record last updated2025 · 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.

The 8 optometrist records with the nearest ZIP codes

  1. Mahrukh Chishty-Qawam, O.D.Oakland, CA 946101992878474
  2. Jean Church, O.D.Piedmont, CA 946101730405606
  3. Stephanie Clark, ODOakland, CA 946101730346172
  4. Danielle Licht, ODOakland, CA 946101447874193
  5. Ursula Moonsamy, O.D.Oakland, CA 946101902969447
  6. Arthur Siu, O.D.Oakland, CA 946101942228929
  7. Pei-Yu Tsai, ODOakland, CA 946101679050553
  8. Diana Yuen, O.D.Oakland, CA 946101528128469

Common questions

What is Damon Matthew Ellis, O.D.'s NPI number?

Damon Matthew Ellis, O.D.'s National Provider Identifier (NPI) is 1023231917, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Damon Matthew Ellis, O.D. located?

The NPPES record lists a practice address at 3205 Grand Ave, Oakland, CA, 94610. Phone: (510) 444-0666. Providers update this record themselves, so call before visiting.

How can I verify Damon Matthew Ellis, O.D.'s license?

NPPES lists California license number 11878T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Damon Matthew Ellis, O.D. prescribe under Medicare Part D?

In 2024, Damon Matthew Ellis, O.D. had 51 Medicare Part D claims for 22 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.