NPPES file of Aug 9, 2026

Richard D. Fan, PA

Physician Assistant · Laguna Hills, CA

Richard D. Fan, PA is a physician assistant with a practice address in Laguna Hills, California, and NPI 1801963673, issued on Nov 29, 2006. Check the license (California PA14813, 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
1801963673
Name
Richard D. Fan
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA14813 CA
Self-reported in NPPES; status is on the state search
Practice location
23041 Avenida DE LA Carlota FL 4, Laguna Hills, CA 92653
Phone
(949) 460-6637
Enumerated
Nov 29, 2006
Record last updated
Jun 22, 2023
Medicare enrollment
Enrolled (PECOS I20090706000066); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 23041 Avenida DE LA Carlota FL 4

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

  1. Erika LemusClinical Social Worker1568680601
  2. Marc MestyanekMarriage & Family Therapist1407908684
  3. Shada Patterson, MAMarriage & Family Therapist1588152417
  4. Andrew Prochazka, AMFTMarriage & Family Therapist1942052469

Verify Richard D. Fan 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 PA14813
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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32% fewer Medicare Part D claims than the average physician assistant in 2024

563 Medicare Part D claims for 169 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Richard Fan563
  2. Specialty average830

Most prescribed

  1. Glipizide Er118 claims
  2. Humulin N Kwikpen46 claims
  3. Jardiance41 claims
  4. Metformin Hcl Er38 claims
  5. Humulin N37 claims
  6. Nano 2nd Gen Pen Needle37 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupAnaheim, CA

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

Richard D. Fan among 14,451 physician assistant records in California

Richard D. Fan, PA 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1998 · median 2018 among the 7,214 with a school on file
  • Record last updated2023 · 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).

53 physician assistant records list a practice address in Laguna Hills

They are 53 of the 2,069 NPPES records with a practice address in Laguna Hills, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Sarah Baca, PA-CLaguna Hills, CA 926531487895678
  2. Nicole Hahn, PALaguna Hills, CA 926531497953053
  3. Meredith Harsh, PALaguna Hills, CA 926531003178534
  4. Albert Huerta, PA-CLaguna Hills, CA 926531487835682
  5. Tara Krishnasastry, P.A.Laguna Hills, CA 926531639313745
  6. Victoria Mills, M.M.S., PA-CLaguna Hills, CA 926531932311610
  7. Brooke Otto, PA-CLaguna Hills, CA 926531881997575
  8. Brian Page, P.A.Laguna Hills, CA 926531457382897

Common questions

What is Richard D. Fan, PA's NPI number?

Richard D. Fan, PA's National Provider Identifier (NPI) is 1801963673, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard D. Fan, PA located?

The NPPES record lists a practice address at 23041 Avenida DE LA Carlota FL 4, Laguna Hills, CA, 92653. Phone: (949) 460-6637. Providers update this record themselves, so call before visiting.

How can I verify Richard D. Fan, PA's license?

NPPES lists California license number PA14813, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Richard D. Fan, PA prescribe under Medicare Part D?

In 2024, Richard D. Fan, PA had 563 Medicare Part D claims for 169 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.