NPPES file of Aug 9, 2026

Helen Kent Chew, M.D.

Hematology & Oncology Physician · Sacramento, CA

Helen Kent Chew, M.D. is a hematology & oncology physician with a practice address in Sacramento, California, and NPI 1801870142, issued on Nov 30, 2005. Check the license (California A73302, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801870142
Name
Helen Kent Chew
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A73302 CA
Self-reported in NPPES; status is on the state search
Practice location
2279 45TH Street, Sacramento, CA 95817
Phone
(916) 734-5959
Enumerated
Nov 30, 2005
Record last updated
Aug 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(916) 703-5265
Medicare enrollment
Enrolled (PECOS I20081209000077); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 1991
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 2279 45TH Street

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

  1. Mili Arora, MDHematology & Oncology Physician1023249422
  2. Helen Chow, M.D.Hematology & Oncology Physician1326324575
  3. Scott Christensen, M.D.Hematology & Oncology Physician1316923899
  4. Lorinda Hedger, RNCase Management Registered Nurse1174042428
  5. Kendra Hutchinson, M.D.Hematology & Oncology Physician1922172527
  6. Paul Kaesberg, M.D.Hematology & Oncology Physician1023084035

Verify Helen Kent Chew in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A73302
    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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49% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

446 Medicare Part D claims for 81 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. Helen Chew446
  2. Specialty average877

Most prescribed

  1. Letrozole90 claims
  2. Anastrozole77 claims
  3. Kisqali59 claims
  4. Tamoxifen Citrate45 claims
  5. Exemestane23 claims
  6. Verzenio21 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. Regents OF The Univ OF CAMerced, CA

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

Helen Kent Chew among 1,583 hematology & oncology physician records in California

Helen Kent Chew, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1991 · median 2003 among the 1,124 with a school on file
  • Record last updated2019 · 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. Mehrad Abedi, M.D.Sacramento, CA 958171467459222
  2. David Gandara, M.D.Sacramento, CA 958171528042587
  3. Richard Guy, M.D.Sacramento, CA 958171578545190
  4. Kit Lam, M.D., PH.D.Sacramento, CA 958171306829577
  5. Primo Lara, M.D.Sacramento, CA 958171972585743
  6. Derick Lau, M.D., PH.D.Sacramento, CA 958171801879077
  7. Robert O'Donnell, M.D., PH.D.Sacramento, CA 958171386627586
  8. Jerry Powell, M.D.Sacramento, CA 958171780666198

Common questions

What is Helen Kent Chew, M.D.'s NPI number?

Helen Kent Chew, M.D.'s National Provider Identifier (NPI) is 1801870142, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Helen Kent Chew, M.D. located?

The NPPES record lists a practice address at 2279 45TH Street, Sacramento, CA, 95817. Phone: (916) 734-5959. Providers update this record themselves, so call before visiting.

How can I verify Helen Kent Chew, M.D.'s license?

NPPES lists California license number A73302, 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 Helen Kent Chew, M.D. prescribe under Medicare Part D?

In 2024, Helen Kent Chew, M.D. had 446 Medicare Part D claims for 81 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.