NPPES file of Aug 9, 2026

Mason Ross Womack

Optometrist · Jackson, CA

Mason Ross Womack is an optometrist with a practice address in Jackson, California, and NPI 1417478835, issued on Jul 6, 2017. Check the license (California OPT33749-TLG, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417478835
Name
Mason Ross Womack
Primary taxonomy
Optometrist 152W00000X
License number
OPT33749-TLG CA
Self-reported in NPPES; status is on the state search
Practice location
810 Court St # 10, Jackson, CA 95642
Phone
(209) 223-2020
Enumerated
Jul 6, 2017
Record last updated
Jul 6, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170922002798); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 2017
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 Mason Ross Womack 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 OPT33749-TLG
    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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99% more Medicare Part D claims than the average optometrist in 2024

550 Medicare Part D claims for 152 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Mason Womack550
  2. Specialty average277

Most prescribed

  1. Latanoprost180 claims
  2. Timolol Maleate79 claims
  3. Dorzolamide-Timolol60 claims
  4. Neomycin-Polymyxin-Dexameth51 claims
  5. Prednisolone Acetate51 claims
  6. Brimonidine Tartrate39 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): 83.5 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.

  1. Qualityout of 100 · 30% of the final score66.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $54.00

3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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. Mason Womack$54.00
  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. Sierra Eyecare AssociatesJackson, CA

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

Mason Ross Womack among 8,308 optometrist records in California

Mason Ross Womack 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 2017, is newer than 76% of them.

  • NPI issued2017 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2017 · median 2008 among the 3,573 with a school on file
  • Record last updated2017 · 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).

5 optometrist records list a practice address in Jackson

They are 5 of the 295 NPPES records with a practice address in Jackson, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Steven Fronk, O.D.Jackson, CA 956421417927161
  2. Duane Gibson, O.D.Jackson, CA 956421083609101
  3. Jerry Jolley, O.D.Jackson, CA 956421841261187
  4. Janice Mc George, O.D.Jackson, CA 956421992754246
  5. Mirian Cayago, O.D.Lincoln, CA 956481669520946
  6. Stanley Hao, O.D.Lincoln, CA 956481326105115
  7. Brandon Lesueur, O.D.Lincoln, CA 956481831281880
  8. Curtis Meredith, O.D.Lincoln, CA 956481619945672

Common questions

What is Mason Ross Womack's NPI number?

Mason Ross Womack's National Provider Identifier (NPI) is 1417478835, issued on Jul 6, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Mason Ross Womack located?

The NPPES record lists a practice address at 810 Court St # 10, Jackson, CA, 95642. Phone: (209) 223-2020. Providers update this record themselves, so call before visiting.

How can I verify Mason Ross Womack's license?

NPPES lists California license number OPT33749-TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mason Ross Womack prescribe under Medicare Part D?

In 2024, Mason Ross Womack had 550 Medicare Part D claims for 152 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is Mason Ross Womack's MIPS final score?

The 2023 MIPS final score is 83.5 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.