Mustaqeem A. Siddiqui, MBBS
Hematology & Oncology Physician · Sacramento, CA
Mustaqeem A. Siddiqui, MBBS is a hematology & oncology physician with a practice address in Sacramento, California, and NPI 1669480133, issued on Aug 3, 2006. Check the license (California A137424, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mustaqeem A. Siddiqui
- Credential
- MBBS
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- A137424 CA
48757 MN
Self-reported in NPPES; status is on the state search - Practice location
- 2800 L St # 260, Sacramento, CA 95816
- Phone
- (916) 733-4400
- Enumerated
- Aug 3, 2006
- Record last updated
- Jul 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20060911000228); 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 →
Verify Mustaqeem A. Siddiqui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A137424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
219 Medicare Part D claims for 58 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Acyclovir32 claims
- Sulfamethoxazole-Trimethoprim26 claims
- Dexamethasone23 claims
- Fluconazole16 claims
- Ondansetron Hcl14 claims
- Prochlorperazine Maleate12 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
- Mayo ClinicRochester, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mustaqeem A. Siddiqui among 1,583 hematology & oncology physician records in California
Mustaqeem A. Siddiqui, MBBS 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2002 · median 2003 among the 1,124 with a school on file
- Record last updated2026 · 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
- Michael Carroll, M.D.Sacramento, CA 958161699748707
- Grigorios Chrysofakis, MDSacramento, CA 958161700159118
- Nabil Ghani, M.D.Sacramento, CA 958161407390172
- Brian Kim, M.D.Sacramento, CA 958161871532051
- Elias Kiwan, M.D.Sacramento, CA 958161790875276
- Jasdeepa Nagi, M.D.Sacramento, CA 958161407094188
- Bijay Nair, MDSacramento, CA 958161356560684
- Nitin Rohatgi, M.D.Sacramento, CA 958161235161621
Common questions
What is Mustaqeem A. Siddiqui, MBBS's NPI number?
Mustaqeem A. Siddiqui, MBBS's National Provider Identifier (NPI) is 1669480133, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mustaqeem A. Siddiqui, MBBS located?
The NPPES record lists a practice address at 2800 L St # 260, Sacramento, CA, 95816. Phone: (916) 733-4400. Providers update this record themselves, so call before visiting.
How can I verify Mustaqeem A. Siddiqui, MBBS's license?
NPPES lists California license number A137424, 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 Mustaqeem A. Siddiqui, MBBS prescribe under Medicare Part D?
In 2024, Mustaqeem A. Siddiqui, MBBS had 219 Medicare Part D claims for 58 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.