NPPES file of Aug 9, 2026

Iris Chen

Pharmacist · San Francisco, CA

Iris Chen is a pharmacist with a practice address in San Francisco, California, and NPI 1609352202, issued on Jul 17, 2018. Check the license (California RPH76793, 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
1609352202
Name
Iris Chen
Primary taxonomy
Pharmacist 183500000X
License numbers
RPH76793 CA
PH60851152 WA
Self-reported in NPPES; status is on the state search
Practice location
505 Parnassus Ave, San Francisco, CA 94143
Phone
(415) 353-1387
Enumerated
Jul 17, 2018
Record last updated
Feb 11, 2021 (not updated in 5 years: call before relying on the address or phone)
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 505 Parnassus Ave

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

  1. Alexander Aabedi, MDStudent in an Organized Health Care Education/Training Program1245971480
  2. Kathryn Aaronson, RN, CPNPPediatric Nurse Practitioner1992030951
  3. Sharon AbadaStudent in an Organized Health Care Education/Training Program1003492844
  4. Abul Abbas, MBBSAnatomic Pathology Physician1881652964
  5. Jesse Abelson, MDInternal Medicine Physician1083843817
  6. Rhonald AbitonaAcute Care Nurse Practitioner1164993473

Verify Iris Chen 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 RPH76793
    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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60% more Medicare Part D claims than the average pharmacist in 2024

190 Medicare Part D claims for 60 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. 48 claims were for opioids.

  1. Iris Chen190
  2. Specialty average119

Most prescribed

  1. Baclofen43 claims
  2. Gabapentin42 claims
  3. Oxycodone Hcl41 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.

Iris Chen among 32,533 pharmacist records in California

Iris Chen is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 61% of them.

  • NPI issued2018 · 61% of these records are older, 33% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2021 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,180 pharmacist records list a practice address in San Francisco

They are 1,180 of the 38,143 NPPES records with a practice address in San Francisco, and 32,533 pharmacist records in California.

The 8 pharmacist records with the nearest ZIP codes

  1. Nelson Chee, PHARM.DSan Francisco, CA 941431194822056
  2. Betty Dong, PHARMDSan Francisco, CA 941431356341515
  3. Aaron Huwe, PHARM.D.San Francisco, CA 941431801902002
  4. Jane Kim, PHARM.D.San Francisco, CA 941431962490847
  5. Joyce Lee, PHARM.D.San Francisco, CA 941431598863094
  6. Sara Orr, PHARMDSan Francisco, CA 941431417061532
  7. Jennifer Tam, PHARMDSan Francisco, CA 941431881642742
  8. Julie Tieu, PHARMDSan Francisco, CA 941431447357371

Common questions

What is Iris Chen's NPI number?

Iris Chen's National Provider Identifier (NPI) is 1609352202, issued on Jul 17, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Iris Chen located?

The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-1387. Providers update this record themselves, so call before visiting.

How can I verify Iris Chen's license?

NPPES lists California license number RPH76793, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Iris Chen prescribe under Medicare Part D?

In 2024, Iris Chen had 190 Medicare Part D claims for 60 beneficiaries; the average among pharmacist prescribers was 119. 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.