Ahmed Sadiq, MD
Medical Oncology Physician · Fremont, CA
Ahmed Sadiq, MD is a medical oncology physician with a practice address in Fremont, California, and NPI 1700845229, issued on Mar 22, 2006. Check the license (California A39621, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ahmed Sadiq
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- A39621 CA
A396210 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2333 Mowry Ave Ste 300, Fremont, CA 94538
- Phone
- (510) 796-0222
- Enumerated
- Mar 22, 2006
- Record last updated
- Jun 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (510) 796-7760
- Medicaid IDs
- 00A396210 CA
171767 CA - Medicare enrollment
- Enrolled (PECOS I20050407001269); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 2333 Mowry Ave Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmed Hussain, M.D.Urology Physician1275533481
- Shashi Sharma, M.D.Family Medicine Physician1619088036
Verify Ahmed Sadiq in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A39621Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average medical oncology physician in 2024
53 Medicare Part D claims for 22 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.
Most prescribed
- Anastrozole16 claims
- Hydroxyurea11 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: $26.06
1 payment: food and beverage; the largest payer was Tactile Systems Technology Inc. The 3,343 providers of this specialty with any payment received $11,773.47 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.
Bills Medicare through one group practice
- California Cardiovascular ConsultantsFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ahmed Sadiq among 447 medical oncology physician records in California
Ahmed Sadiq, MD 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 fileYes · 70% of these records are
- Graduated1974 · median 2004 among the 312 with a school on file
- Record last updated2021 · 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 Fremont → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Sareena Malhi, MDTravis Afb, CA 945351578597522
- Ricardo Da Roza, M.D.Castro Valley, CA 945461184669285
- Arpeet Shah, M.D.Castro Valley, CA 945461558780825
- Byron Wilson, M.D.Castro Valley, CA 945461992736367
- Richard AndersonNapa, CA 945581669659066
- Michael Henderson, M.D.Napa, CA 945591144219585
- Vandana Sharma, M.D., PHD.Newark, CA 945601902837362
- Ari Umutyan, M.D.Saint Helena, CA 945741275516171
Common questions
What is Ahmed Sadiq, MD's NPI number?
Ahmed Sadiq, MD's National Provider Identifier (NPI) is 1700845229, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ahmed Sadiq, MD located?
The NPPES record lists a practice address at 2333 Mowry Ave Ste 300, Fremont, CA, 94538. Phone: (510) 796-0222. Providers update this record themselves, so call before visiting.
How can I verify Ahmed Sadiq, MD's license?
NPPES lists California license number A39621, 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 Ahmed Sadiq, MD prescribe under Medicare Part D?
In 2024, Ahmed Sadiq, MD had 53 Medicare Part D claims for 22 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.