NPPES file of Aug 9, 2026

Catherine Noel-Uyloan, MD

General Practice Physician · West Covina, CA

Catherine Noel-Uyloan, MD is a general practice physician with a practice address in West Covina, California, and NPI 1891891537, issued on Sep 16, 2006. Check the license (California A50085, 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
1891891537
Name
Catherine Noel-Uyloan
Credential
MD
Primary taxonomy
General Practice Physician 208D00000X
License number
A50085 CA
Self-reported in NPPES; status is on the state search
Practice location
1535 W Merced Ave Ste 202, West Covina, CA 91790
Phone
(626) 337-6246
Enumerated
Sep 16, 2006
Record last updated
Jun 12, 2023
Fax
(866) 559-8301
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Catherine Noel-Uyloan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A50085
    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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87% fewer Medicare Part D claims than the average general practice physician in 2024

389 Medicare Part D claims for 67 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Catherine Noel-Uyloan389
  2. Specialty average3,030

Most prescribed

  1. Gabapentin33 claims
  2. Diclofenac Sodium15 claims
  3. Famotidine14 claims
  4. Mupirocin13 claims
  5. Nystatin11 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): 3.8 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 score0.0
  2. Costout of 100 · 30%12.8
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Catherine Noel-Uyloan among 1,956 general practice physician records in California

Catherine Noel-Uyloan, MD is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 66% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in California

There are 1,956 general practice physician records in California.

The 8 general practice physician records with the nearest ZIP codes

  1. Sadhna Dhand, M.D.West Covina, CA 917901033394531
  2. Brigida Guevara-Rebueno, M.D.,West Covina, CA 917901750329298
  3. Angela Ni, MDWest Covina, CA 917901962467423
  4. Madhu Sharma, MDWest Covina, CA 917901669430161
  5. Wonsick ChoeWalnut, CA 917891689070690
  6. Custodio Galicia, MDWalnut, CA 917891578988655
  7. Deborah Harper, M.D.West Covina, CA 917911306080643
  8. Armen Nercessian, D.O.West Covina, CA 917921679534374

Common questions

What is Catherine Noel-Uyloan, MD's NPI number?

Catherine Noel-Uyloan, MD's National Provider Identifier (NPI) is 1891891537, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Noel-Uyloan, MD located?

The NPPES record lists a practice address at 1535 W Merced Ave Ste 202, West Covina, CA, 91790. Phone: (626) 337-6246. Providers update this record themselves, so call before visiting.

How can I verify Catherine Noel-Uyloan, MD's license?

NPPES lists California license number A50085, 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 Noel-Uyloan, MD prescribe under Medicare Part D?

In 2024, Catherine Noel-Uyloan, MD had 389 Medicare Part D claims for 67 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.

What is Catherine Noel-Uyloan, MD's MIPS final score?

The 2023 MIPS final score is 3.8 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.