NPPES file of Aug 9, 2026

Cynthia Y. Kwan, PHARMD

Pharmacotherapy Pharmacist · South San Francisco, CA

Cynthia Y. Kwan, PHARMD is a pharmacotherapy pharmacist with a practice address in South San Francisco, California, and NPI 1023106036, issued on Oct 11, 2006. Check the license (California 54994, 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
1023106036
Name
Cynthia Y. Kwan
Credential
PHARMD
Primary taxonomy
Pharmacotherapy Pharmacist 1835P1200X
License number
54994 CA
Self-reported in NPPES; status is on the state search
Practice location
1200 EL Camino Real, South San Francisco, CA 94080
Phone
(650) 758-5305
Enumerated
Oct 11, 2006
Record last updated
Dec 27, 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 1200 EL Camino Real

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

  1. Leslie Adams, PHARMDPharmacist1902338486
  2. Kristine Aguirre, RRTRegistered Respiratory Therapist1528539996
  3. Lena AlazzehPhysical Therapist1629739859
  4. Kate AlbeePhysical Therapist1053464495
  5. Jason Anderson, MDHospitalist Physician1831277466
  6. Karl Anderson, MDUrology Physician1700964301

Verify Cynthia Y. Kwan 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 54994
    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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86% more Medicare Part D claims than the average pharmacotherapy pharmacist in 2024

735 Medicare Part D claims for 186 beneficiaries, against an average of 395 among the 208 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 361 claims were for opioids.

  1. Cynthia Kwan735
  2. Specialty average395

Most prescribed

  1. Hydrocodone-Acetaminophen159 claims
  2. Duloxetine Hcl51 claims
  3. Morphine Sulfate Er48 claims
  4. Oxycodone-Acetaminophen46 claims
  5. Methadone Hcl39 claims
  6. Metformin Hcl Er25 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.

Cynthia Y. Kwan among 605 pharmacotherapy pharmacist records in California

Cynthia Y. Kwan, PHARMD is one of 605 pharmacotherapy pharmacist records with a practice address in California. 10% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 60% newer
  • In a Medicare fileYes · 10% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% 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 1835P1200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pharmacotherapy Pharmacist providers in California

There are 605 pharmacotherapy pharmacist records in California.

The 8 pharmacotherapy pharmacist records with the nearest ZIP codes

  1. Gregory Hayner, PHARM.D.South San Francisco, CA 940801578634721
  2. Virginia Chu, PHARMDSan Bruno, CA 940661124113295
  3. Jeffrey HansenRedwood City, CA 940651538235510
  4. Kirstin Kim, PHARM.D.Redwood City, CA 940631043376601
  5. Hoang-Trang Nguyen, PHARM.D.Redwood City, CA 940631649342833
  6. Melissa Yeganeh, PHARMDRedwood City, CA 940631144390428
  7. Esther Song, PHARM. DRedwood City, CA 940611467544395
  8. Anthony Gumberg, PHARMDSan Francisco, CA 941031073117214

Common questions

What is Cynthia Y. Kwan, PHARMD's NPI number?

Cynthia Y. Kwan, PHARMD's National Provider Identifier (NPI) is 1023106036, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Y. Kwan, PHARMD located?

The NPPES record lists a practice address at 1200 EL Camino Real, South San Francisco, CA, 94080. Phone: (650) 758-5305. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Y. Kwan, PHARMD's license?

NPPES lists California license number 54994, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Cynthia Y. Kwan, PHARMD prescribe under Medicare Part D?

In 2024, Cynthia Y. Kwan, PHARMD had 735 Medicare Part D claims for 186 beneficiaries; the average among pharmacotherapy pharmacist prescribers was 395. 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.