Helen Chow, M.D.
Hematology & Oncology Physician · Sacramento, CA
Helen Chow, M.D. is a hematology & oncology physician with a practice address in Sacramento, California, and NPI 1326324575, issued on Nov 1, 2011. Check the license (California A119106, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Helen Chow
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A119106 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 1, 2011
- Record last updated
- Sep 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (916) 703-5265
- Medicare enrollment
- Enrolled (PECOS I20121029000727); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 2279 45TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mili Arora, MDHematology & Oncology Physician1023249422
- Helen Chew, M.D.Hematology & Oncology Physician1801870142
- Scott Christensen, M.D.Hematology & Oncology Physician1316923899
- Lorinda Hedger, RNCase Management Registered Nurse1174042428
- Kendra Hutchinson, M.D.Hematology & Oncology Physician1922172527
- Paul Kaesberg, M.D.Hematology & Oncology Physician1023084035
Verify Helen Chow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A119106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
721 Medicare Part D claims for 112 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 36 claims were for opioids.
Most prescribed
- Prochlorperazine Maleate46 claims
- Gabapentin37 claims
- Ondansetron Hcl37 claims
- Exemestane33 claims
- Prednisone32 claims
- Levothyroxine Sodium30 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 MIPS final score for 2023 (Medicare payment program): 90.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Regents OF The Univ OF CASacramento, CA
- Regents OF The University OF CaliforniaRocklin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Helen Chow among 1,583 hematology & oncology physician records in California
Helen Chow, 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 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
- Graduated2009 · 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.
All 1,583 in California → Every provider in Sacramento → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mehrad Abedi, M.D.Sacramento, CA 958171467459222
- Helen Chew, M.D.Sacramento, CA 958171801870142
- David Gandara, M.D.Sacramento, CA 958171528042587
- Richard Guy, M.D.Sacramento, CA 958171578545190
- Kit Lam, M.D., PH.D.Sacramento, CA 958171306829577
- Primo Lara, M.D.Sacramento, CA 958171972585743
- Derick Lau, M.D., PH.D.Sacramento, CA 958171801879077
- Robert O'Donnell, M.D., PH.D.Sacramento, CA 958171386627586
Common questions
What is Helen Chow, M.D.'s NPI number?
Helen Chow, M.D.'s National Provider Identifier (NPI) is 1326324575, issued on Nov 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Helen Chow, 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 Chow, M.D.'s license?
NPPES lists California license number A119106, 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 Chow, M.D. prescribe under Medicare Part D?
In 2024, Helen Chow, M.D. had 721 Medicare Part D claims for 112 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Helen Chow, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.9 of 100. 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.