Robert E. Quadro, M.D.
Medical Oncology Physician · Sacramento, CA
Robert E. Quadro, M.D. is a medical oncology physician with a practice address in Sacramento, California, and NPI 1730293374, issued on Aug 19, 2006. Check the license (California G040361, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert E. Quadro
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- G040361 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3000 Q St, Sacramento, CA 95816
- Phone
- (916) 733-3333
- Enumerated
- Aug 19, 2006
- Record last updated
- Feb 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 3000 Q St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert E. Quadro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G040361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average medical oncology physician in 2024
22 Medicare Part D claims for 14 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.
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.
Robert E. Quadro among 447 medical oncology physician records in California
Robert E. Quadro, M.D. is one of 447 medical oncology physician records with a practice address in California. 82% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2012 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
All 447 in California → Every provider in Sacramento → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- John Fisher, M.D.Sacramento, CA 958161790704286
- Delphine Ong, M.D.Sacramento, CA 958161023034022
- Samer Shihabi, M.D.Sacramento, CA 958161730110768
- Nora Wu, M.D.Sacramento, CA 958161487754461
- Janai Carr-Ascher, MD, PHDSacramento, CA 958171538401195
- Ryan Leibrandt, M.D.Sacramento, CA 958171801327044
- Neil Patel, M.D.Sacramento, CA 958171992817613
- Randeep Sangha, M.D.Sacramento, CA 958171952582199
Common questions
What is Robert E. Quadro, M.D.'s NPI number?
Robert E. Quadro, M.D.'s National Provider Identifier (NPI) is 1730293374, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert E. Quadro, M.D. located?
The NPPES record lists a practice address at 3000 Q St, Sacramento, CA, 95816. Phone: (916) 733-3333. Providers update this record themselves, so call before visiting.
How can I verify Robert E. Quadro, M.D.'s license?
NPPES lists California license number G040361, 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 Robert E. Quadro, M.D. prescribe under Medicare Part D?
In 2024, Robert E. Quadro, M.D. had 22 Medicare Part D claims for 14 beneficiaries; the average among medical oncology physician prescribers was 703. 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.