Arpeet Shah, M.D.
Medical Oncology Physician · Castro Valley, CA
Arpeet Shah, M.D. is a medical oncology physician with a practice address in Castro Valley, California, and NPI 1558780825, issued on Apr 15, 2014. Check the license (California A139666, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arpeet Shah
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A139666 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20055 Lake Chabot RD Ste 130, Castro Valley, CA 94546
- Phone
- (888) 924-1024
- Enumerated
- Apr 15, 2014
- Entity
- Type 1 · individual
Also registered at 20055 Lake Chabot RD Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Irene Dy, MDMedical Oncology Physician1528393063
- Juliet Fong, PA-CPhysician Assistant1639968670
- Nitin Joshi, M.D.Internal Medicine Physician1154541423
- Mahboub Noori, MDStudent in an Organized Health Care Education/Training Program1831695915
- Kathryn Simms, NPNurse Practitioner1447770359
- Usha Sunkara, M.D,Hematology & Oncology Physician1346267028
Verify Arpeet Shah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A139666Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
20% fewer Medicare Part D claims than the average medical oncology physician in 2024
583 Medicare Part D claims for 99 beneficiaries, against an average of 732 among the 2,742 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims. 28 claims were for opioids.
Most prescribed
- Eliquis88 claims
- Prednisone45 claims
- Anastrozole37 claims
- Ondansetron Hcl20 claims
- Prochlorperazine Maleate19 claims
- Hydroxyurea18 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.
Industry payments in 2024: $114.40
5 payments, mostly food and beverage; the largest payer was Celgene Corporation. The 2,246 providers of this specialty with any payment received $11,943.39 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Medical Oncology Physician providers in California
There are 295 medical oncology physician records in California.
Other medical oncology physician records in California
- Ranjana Advani, MDStanford, CA1639225121
- Kambiz Afrasiabi, M.D.Anaheim, CA1578572368
- Alexander AgelidisSan Diego, CA1013595743
- Mark Agulnik, MDLos Angeles, CA1164448734
- Weiyun Ai, MDSan Francisco, CA1649346842
- Shafqat Akhtar, MDRed Bluff, CA1700960788
- Luai Al Rabadi, M.D.San Francisco, CA1659637452
- Michael Alexander, MDSanta Cruz, CA1053321760
- Sandra AlgazeLos Angeles, CA1861886707
- Arash Alizadeh, MD, PHDStanford, CA1295824423
Common questions
What is Arpeet Shah, M.D.'s NPI number?
Arpeet Shah, M.D.'s National Provider Identifier (NPI) is 1558780825, issued on Apr 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Arpeet Shah, M.D. located?
The NPPES record lists a practice address at 20055 Lake Chabot RD Ste 130, Castro Valley, CA, 94546. Phone: (888) 924-1024. Providers update this record themselves, so call before visiting.
How can I verify Arpeet Shah, M.D.'s license?
NPPES lists California license number A139666, 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 Arpeet Shah, M.D. prescribe under Medicare Part D?
In 2024, Arpeet Shah, M.D. had 583 Medicare Part D claims for 99 beneficiaries; the average among medical oncology physician prescribers was 732. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.