NPPES file of Aug 9, 2026

Katherine Phan Yee, P.A.

Physician Assistant · Los Angeles, CA

Katherine Phan Yee, P.A. is a physician assistant with a practice address in Los Angeles, California, and NPI 1982970786, issued on Mar 26, 2012. Check the license (California 21963, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982970786
Name
Katherine Phan Yee
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
License number
21963 CA
Self-reported in NPPES; status is on the state search
Practice location
311 Winston St, Los Angeles, CA 90013
Phone
(213) 893-1960
Enumerated
Mar 26, 2012
Record last updated
Mar 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(855) 332-6757
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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Also registered at 311 Winston St

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

  1. Lauren ApodacaClinical Psychologist1699126177
  2. Jennifer Chun, P.A.-CPhysician Assistant1346476918
  3. Kalaki Clarke, M.D.Family Medicine Physician1639393366
  4. Jason Diep, DMDDentist1386205235
  5. Katelin Double, M.A.Psychologist1124479860
  6. Nicole EnriqueMental Health Counselor1972056182

Verify Katherine Phan Yee 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 21963
    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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31% fewer Medicare Part D claims than the average physician assistant in 2024

574 Medicare Part D claims for 115 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Katherine Phan Yee574
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium64 claims
  2. Amlodipine Besylate34 claims
  3. Fluticasone Propionate25 claims
  4. Tamsulosin Hcl25 claims
  5. Albuterol Sulfate Hfa23 claims
  6. Lisinopril23 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: $708.64

13 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Phan Yee$708.64
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Katherine Phan Yee among 14,451 physician assistant records in California

Katherine Phan Yee, P.A. is one of 14,451 physician assistant records with a practice address in California. 75% 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 33% of them.

  • NPI issued2012 · 33% of these records are older, 65% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2021 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

935 physician assistant records list a practice address in Los Angeles

They are 935 of the 69,537 NPPES records with a practice address in Los Angeles, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Jennifer Chun, P.A.-CLos Angeles, CA 900131346476918
  2. Kacie Condon, PA-CLos Angeles, CA 900131942924907
  3. Cullen GrayLos Angeles, CA 900131487369799
  4. Pierre Houbein, PA-CLos Angeles, CA 900131417298753
  5. Lauren Anne Layson, PA-CLos Angeles, CA 900131487047940
  6. Rebekah NguyenLos Angeles, CA 900131093188765
  7. Briana Paxton, PA-CLos Angeles, CA 900131275076606
  8. Manda Robinson, PACLos Angeles, CA 900131972691384

Common questions

What is Katherine Phan Yee, P.A.'s NPI number?

Katherine Phan Yee, P.A.'s National Provider Identifier (NPI) is 1982970786, issued on Mar 26, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Phan Yee, P.A. located?

The NPPES record lists a practice address at 311 Winston St, Los Angeles, CA, 90013. Phone: (213) 893-1960. Providers update this record themselves, so call before visiting.

How can I verify Katherine Phan Yee, P.A.'s license?

NPPES lists California license number 21963, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Phan Yee, P.A. prescribe under Medicare Part D?

In 2024, Katherine Phan Yee, P.A. had 574 Medicare Part D claims for 115 beneficiaries; the average among physician assistant prescribers was 830. 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.