NPPES file of Aug 9, 2026

Catherine Ruth Sheils, MD

Ophthalmology Physician · San Diego, CA

Catherine Ruth Sheils, MD is an ophthalmology physician with a practice address in San Diego, California, and NPI 1932605649, issued on Apr 2, 2018. Check the license (California A165389, 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
1932605649
Name
Catherine Ruth Sheils
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A165389 CA
Self-reported in NPPES; status is on the state search
Practice location
5330 Carroll Canyon RD Ste 210, San Diego, CA 92121
Phone
(800) 345-8979
Enumerated
Apr 2, 2018
Record last updated
Jul 14, 2023
Fax
(909) 949-3967
Medicare enrollment
Enrolled (PECOS I20220621001953); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 2018
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 5330 Carroll Canyon RD Ste 210

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

  1. Rachael Allen, D.OOphthalmology Physician1801275391
  2. Nghi Duong, O.D.Optometrist1285832501
  3. Nicole Topilow, MDOphthalmology Physician1215468376

Verify Catherine Ruth Sheils in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A165389
    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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2.3 times the Medicare Part D claims of the average ophthalmology physician in 2024

3,543 Medicare Part D claims for 762 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.

  1. Catherine Sheils3,543
  2. Specialty average1,518

Most prescribed

  1. Latanoprost682 claims
  2. Prednisolone Acetate503 claims
  3. Dorzolamide-Timolol418 claims
  4. Ofloxacin293 claims
  5. Timolol Maleate257 claims
  6. Ketorolac Tromethamine189 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): 81.5 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 score98.0
  2. Costout of 100 · 30%58.5
  3. Promoting interoperabilityout of 100 · 25%72.0
  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: $3,046.92

70 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. Catherine Sheils$3,046.92
  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. Pacific Eye Institute A Medical Group IncSan Diego, CA

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

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

Other ophthalmology physician records in California

  1. Sam Abbassi, MD, MSWest Hills, CA1881937720
  2. Richard Abbott, M.D.San Francisco, CA1346276573
  3. Jean-Paul Abboud, M.D., PH.D.Del Mar, CA1760776728
  4. Nizar Abdelfattah, MDPasadena, CA1801359393
  5. Parastou Abedi, MDAliso Viejo, CA1720067333
  6. Shahla Abedi, MDAliso Viejo, CA1467431072
  7. Lilit Ablabutyan, M.D.Glendale, CA1497013064
  8. Nathan Abraham, M.D.Valencia, CA1306224456
  9. James Abrams, M.D.San Bruno, CA1912903329
  10. Adam Abroms, MDWestlake Village, CA1497743702

Common questions

What is Catherine Ruth Sheils, MD's NPI number?

Catherine Ruth Sheils, MD's National Provider Identifier (NPI) is 1932605649, issued on Apr 2, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Ruth Sheils, MD located?

The NPPES record lists a practice address at 5330 Carroll Canyon RD Ste 210, San Diego, CA, 92121. Phone: (800) 345-8979. Providers update this record themselves, so call before visiting.

How can I verify Catherine Ruth Sheils, MD's license?

NPPES lists California license number A165389, 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 Catherine Ruth Sheils, MD prescribe under Medicare Part D?

In 2024, Catherine Ruth Sheils, MD had 3,543 Medicare Part D claims for 762 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Catherine Ruth Sheils, MD's MIPS final score?

The 2023 MIPS final score is 81.5 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.