NPPES file of Aug 9, 2026

Thomas Walter Eck, M.D.

Ophthalmology Physician · San Diego, CA

Thomas Walter Eck, M.D. is an ophthalmology physician with a practice address in San Diego, California, and NPI 1518221381, issued on Jun 27, 2012. Check the license (California A140920, as entered in NPPES) on the Medical Board of California; 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
1518221381
Name
Thomas Walter Eck
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A140920 CA
Self-reported in NPPES; status is on the state search
Practice location
3405 Kenyon St Ste 513, San Diego, CA 92110
Phone
(619) 226-1877
Enumerated
Jun 27, 2012
Record last updated
Jan 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(619) 226-0482
Medicare enrollment
Enrolled (PECOS I20161214002447); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 2012
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 Thomas Walter Eck in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A140920
    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
Open the California license search

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71% fewer Medicare Part D claims than the average ophthalmology physician in 2024

442 Medicare Part D claims for 129 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.

  1. Thomas Eck442
  2. Specialty average1,518

Most prescribed

  1. Latanoprost158 claims
  2. Dorzolamide-Timolol36 claims
  3. Moxifloxacin36 claims
  4. Prednisolone Acetate34 claims
  5. Timolol Maleate30 claims
  6. Brimonidine Tartrate28 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 MIPS final score for 2023 (Medicare payment program): 88.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score97.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%66.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $46.90

2 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Eck$46.90
  2. Specialty average$4,535.02

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. Mosaic Eye Specialists PCSan Diego, CA

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

Thomas Walter Eck among 2,899 ophthalmology physician records in California

Thomas Walter Eck, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 78% of them.

  • NPI issued2012 · 78% of these records are older, 20% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2012 · median 2001 among the 1,907 with a school on file
  • Record last updated2018 · 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 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Edward Brown, M.D.San Diego, CA 921111124003793
  2. Raymond Chan, M.D.San Diego, CA 921111730298373
  3. Harry Holcomb, M.D.San Diego, CA 921091679598288
  4. Louis Kartsonis, M.D.San Diego, CA 921091285637702
  5. Kourosh Mohammadi, M.D.San Diego, CA 921091164549689
  6. Thao Nguyen, M DSan Diego, CA 921111154352185
  7. Sayjal Patel, M.D.San Diego, CA 921111184664443
  8. Solomon Shaftel, M.D., PH.D.San Diego, CA 921111477788412

Common questions

What is Thomas Walter Eck, M.D.'s NPI number?

Thomas Walter Eck, M.D.'s National Provider Identifier (NPI) is 1518221381, issued on Jun 27, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Walter Eck, M.D. located?

The NPPES record lists a practice address at 3405 Kenyon St Ste 513, San Diego, CA, 92110. Phone: (619) 226-1877. Providers update this record themselves, so call before visiting.

How can I verify Thomas Walter Eck, M.D.'s license?

NPPES lists California license number A140920, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Walter Eck, M.D. prescribe under Medicare Part D?

In 2024, Thomas Walter Eck, M.D. had 442 Medicare Part D claims for 129 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Thomas Walter Eck, M.D.'s MIPS final score?

The 2023 MIPS final score is 88.6 of 100. 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.