NPPES file of Aug 9, 2026

Sean Ma, OD

Optometrist · Thornton, CO

Sean Ma, OD is an optometrist with a practice address in Thornton, Colorado, and NPI 1568183440, issued on Sep 8, 2022. Check the license (Colorado 3975, as entered in NPPES) with the Colorado 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
1568183440
Name
Sean Ma
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License numbers
3975 CO
35253 CA
Self-reported in NPPES; status is on the state search
Practice location
13695 Colorado Blvd, Thornton, CO 80602
Phone
(303) 450-2020
Enumerated
Sep 8, 2022
Record last updated
Jul 9, 2026
Fax
(303) 920-1440
Medicare enrollment
Enrolled (PECOS I20231109003046); may accept Medicare assignment
Medical or professional school
Southern California College Of Optometry, 2022
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 13695 Colorado Blvd

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

  1. Joshua NormandeauOptometrist1134978711
  2. Jami Swenson, O.D.Optometrist1427431386
  3. Cayce Tschirhart, ODOptometrist1780577528

Verify Sean Ma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 3975
    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 Colorado license search

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83% fewer Medicare Part D claims than the average optometrist in 2024

47 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 38% of claims.

  1. Sean Ma47
  2. Specialty average277

Most prescribed

  1. Latanoprost16 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: $218.22

3 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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. Sean Ma$218.22
  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.

Bills Medicare through one group practice

  1. Vista Eye Care, PCThornton, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sean Ma among 1,273 optometrist records in Colorado

Sean Ma, OD is one of 1,273 optometrist records with a practice address in Colorado. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 89% of them.

  • NPI issued2022 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2022 · median 2009 among the 750 with a school on file
  • Record last updated2026 · 63% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

28 optometrist records list a practice address in Thornton

They are 28 of the 2,234 NPPES records with a practice address in Thornton, and 1,273 optometrist records in Colorado.

The 8 optometrist records with the nearest ZIP codes

  1. Kristin Burns, O.D.Thornton, CO 806021942301551
  2. Joshua NormandeauThornton, CO 806021134978711
  3. Jami Swenson, O.D.Thornton, CO 806021427431386
  4. Cayce Tschirhart, ODThornton, CO 806021780577528
  5. Adam Brown, O.D.Brighton, CO 806011700841061
  6. Michael Diperna, O.D.Brighton, CO 806011083745665
  7. Rodney Fair, ODBrighton, CO 806011568455400
  8. Ron Fair, ODBrighton, CO 806011376536268

Common questions

What is Sean Ma, OD's NPI number?

Sean Ma, OD's National Provider Identifier (NPI) is 1568183440, issued on Sep 8, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Sean Ma, OD located?

The NPPES record lists a practice address at 13695 Colorado Blvd, Thornton, CO, 80602. Phone: (303) 450-2020. Providers update this record themselves, so call before visiting.

How can I verify Sean Ma, OD's license?

NPPES lists Colorado license number 3975, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Sean Ma, OD prescribe under Medicare Part D?

In 2024, Sean Ma, OD had 47 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.