NPPES file of Aug 9, 2026

Wesley Allen Kidder, MD

Hematology & Oncology Physician · San Francisco, CA

Wesley Allen Kidder, MD is a hematology & oncology physician with a practice address in San Francisco, California, and NPI 1669761151, issued on Apr 5, 2011. Check the license (California A125085, 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
1669761151
Name
Wesley Allen Kidder
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A125085 CA
Self-reported in NPPES; status is on the state search
Practice location
1825 4TH St FL 4, San Francisco, CA 94143
Phone
(415) 353-9888
Enumerated
Apr 5, 2011
Record last updated
Jan 20, 2026
Medicare enrollment
Enrolled (PECOS I20140828000678); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2011
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 1825 4TH St FL 4

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

  1. Kripa Balaram, MDPsychiatry Physician1154825131
  2. Brigid Barlesi, NPNurse Practitioner1992724728
  3. Aman Chauhan, MDMedical Oncology Physician1902193147
  4. Renu Eapen, MBBS, FRACSUrology Physician1134673569
  5. Bonnie Early, PA-CMedical Physician Assistant1376881250
  6. Marina EmeryAdult Health Nurse Practitioner1801269253

Verify Wesley Allen Kidder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A125085
    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

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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85% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

132 Medicare Part D claims for 34 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Wesley Kidder132
  2. Specialty average877

Most prescribed

  1. Ondansetron Hcl23 claims
  2. Prochlorperazine Maleate18 claims
  3. Loperamide14 claims
  4. Lidocaine-Prilocaine13 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 practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 3 group practices

  1. Regents OF The University OF CaliforniaSan Francisco, CA
  2. Ucsf Medical Group Business ServicesBurlingame, CA
  3. University OF California San FranciscoSan Francisco, CA

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

Wesley Allen Kidder among 1,583 hematology & oncology physician records in California

Wesley Allen Kidder, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 72% of them.

  • NPI issued2011 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2011 · median 2003 among the 1,124 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Alain Algazi, M.D.San Francisco, CA 941431821289794
  2. Shagun Arora, MDSan Francisco, CA 941431316198112
  3. Collin Blakely, MDSan Francisco, CA 941431528287174
  4. Terence Friedlander, MSSan Francisco, CA 941431215134267
  5. Andrea Harzstark, MDSan Francisco, CA 941431871766576
  6. James Lee, M.D.San Francisco, CA 941431346482007
  7. Inga Lennes, M.D.San Francisco, CA 941431427134568
  8. Raymond Liu, M.D.San Francisco, CA 941431376645861

Common questions

What is Wesley Allen Kidder, MD's NPI number?

Wesley Allen Kidder, MD's National Provider Identifier (NPI) is 1669761151, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Wesley Allen Kidder, MD located?

The NPPES record lists a practice address at 1825 4TH St FL 4, San Francisco, CA, 94143. Phone: (415) 353-9888. Providers update this record themselves, so call before visiting.

How can I verify Wesley Allen Kidder, MD's license?

NPPES lists California license number A125085, 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 Wesley Allen Kidder, MD prescribe under Medicare Part D?

In 2024, Wesley Allen Kidder, MD had 132 Medicare Part D claims for 34 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Wesley Allen Kidder, MD's MIPS final score?

The 2023 MIPS final score is 74.5 of 100, reported for the practice group. 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.