David Ashley Swearingen, OD
Optometrist · San Dimas, CA
David Ashley Swearingen, OD is an optometrist with a practice address in San Dimas, California, and NPI 1912964834, issued on Apr 26, 2006. Check the license (California OPT11528T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Ashley Swearingen
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT11528T CA
Self-reported in NPPES; status is on the state search - Practice location
- 425 W Bonita Ave, San Dimas, CA 91773
- Phone
- (909) 394-0462
- Enumerated
- Apr 26, 2006
- Record last updated
- Mar 7, 2023
- Medicaid ID
- SD0115280 CA
- Medicare enrollment
- Enrolled (PECOS I20050928001231); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2000
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 425 W Bonita Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Bowser, MFTMarriage & Family Therapist1770858599
- Jodi Peterson, MA, LMFTMarriage & Family Therapist1831479799
- William Tabb, DPMPodiatrist1942307764
- Alyssa Valenzuela, ODOptometrist1780302372
- Melissa Zhao, O.D.Optometrist1013323047
Verify David Ashley Swearingen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT11528TCheck 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.1 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: $107.33
2 payments; by number, the most common kind was food and beverage; the largest payer was Lkc Technologies, 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
- Spectrum Eyecare Optometry IncSan Dimas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Ashley Swearingen among 8,308 optometrist records in California
David Ashley Swearingen, 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
- Graduated2000 · median 2008 among the 3,573 with a school on file
- Record last updated2023 · 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).
18 optometrist records list a practice address in San Dimas
They are 18 of the 942 NPPES records with a practice address in San Dimas, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in San Dimas → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Suzan Burmayan, ODSan Dimas, CA 917731619498078
- Jennifer Chan, ODSan Dimas, CA 917731447734439
- Erin Duncan, ODSan Dimas, CA 917731821191222
- Richard Garratt, O.D.San Dimas, CA 917731598813800
- Abigayle Gutierrez, ODSan Dimas, CA 917731134640048
- Joann Henwood, O.D.San Dimas, CA 917731689024523
- Kellie-Anne Ishii-Kim, ODSan Dimas, CA 917731710465372
- Julie Lam, O.D.San Dimas, CA 917731730560889
Common questions
What is David Ashley Swearingen, OD's NPI number?
David Ashley Swearingen, OD's National Provider Identifier (NPI) is 1912964834, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Ashley Swearingen, OD located?
The NPPES record lists a practice address at 425 W Bonita Ave, San Dimas, CA, 91773. Phone: (909) 394-0462. Providers update this record themselves, so call before visiting.
How can I verify David Ashley Swearingen, OD's license?
NPPES lists California license number OPT11528T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does David Ashley Swearingen, OD prescribe under Medicare Part D?
In 2024, David Ashley Swearingen, OD had 12 Medicare Part D claims; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is David Ashley Swearingen, OD's MIPS final score?
The 2023 MIPS final score is 83.1 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.