Dr. Tanya Siddiqi, MD
- Medicare services, 2024
- 1,177
- Medicare patients, 2024
- 277
- Part D claims, 2024
- 445
- Publications
- 29
- MIPS score, 2024
- 93
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (800) 826-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Dr. Siddiqi's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Tanya Siddiqi is a hematology (internal medicine) physician in Duarte, California
Dr. Siddiqi practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Siddiqi's NPI, 1467408948, was assigned on May 26, 2006. Dr. Siddiqi graduated from Aga Khan Medical College in 2000. Dr. Siddiqi holds California license A107162.
- NPI
- 1467408948NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931253994
- NPI enumeration date
- May 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (800) 826-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tanya Siddiqi practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Siddiqi's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tanya Siddiqi is affiliated with 2 sites of care and 1 medical group
Dr. Siddiqi's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Siddiqi to 1 more other site, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tanya Siddiqi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siddiqi practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tanya Siddiqi is one of 153 hematology (internal medicine) physicians in California
Internal medicine is Dr. Siddiqi's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Dr. Siddiqi is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Siddiqi's licenses on file in 2 states: California and Massachusetts.
Specialties and state licenses
- Hematology (internal medicine), CaliforniaPrimary
- Massachusetts license
Clinical focus
Dmand AI lists chronic anemia, chronic leukemia, immune deficiency disease, lung cancer, lymphoma, multiple myeloma and purpura and thrombocytopenia among the conditions Dr. Siddiqi treats.
Hematology (internal medicine) physicians near Dr. Siddiqi
Counts of hematology (internal medicine) physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tanya Siddiqi billed Medicare for 1,177 services in 2024
CMS data shows 1,177 Medicare services from Dr. Siddiqi across 5 procedure codes in 2024, for 277 Medicare patients. Medicare paid $104,800 for them. Every service was in an office.
Dr. Siddiqi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5812024: 93461%
- Other services
- 2023: 02024: 243
Dr. Siddiqi compared with the California median for hematology (internal medicine) physicians, 2024
- Dr. Siddiqi
- California median
- Medicare services
- 1,177vs 3733.2 times
- Medicare patients
- 277vs 1092.5 times
- Part D claims
- 314vs 993.2 times
Medians across 139 hematology (internal medicine) physicians in California with Dmand AI profiles that report each measure.
Dr. Siddiqi's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Siddiqi and other hematology (internal medicine) physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tanya Siddiqi treated 277 Medicare patients in 2024, average age 74
CMS counts 277 Medicare patients who saw Dr. Siddiqi in 2024. The largest group is 65 to 74, with 132 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 7% are also on Medicaid. Their average risk score is 2.09, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Siddiqi's median patient age at 72, with 49% women.
Dr. Siddiqi's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Siddiqi's Medicare patients by sex, 2024
- Women12846%
- Men14954%
Chronic conditions among Dr. Siddiqi's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis41%
- Ischemic heart disease29%
- Anxiety27%
- Diabetes24%
- Cancer22%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siddiqi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tanya Siddiqi wrote 445 Medicare Part D claims in 2024
In 2024, Dr. Siddiqi wrote 445 Medicare Part D claims for 90 patients. CMS names the drug for 314 of them, across 8 drugs with 11 or more claims each, at $2,910,719 in total drug cost. In 2023, CMS named 284 claims across 10 drugs.
Dr. Siddiqi's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Siddiqi's Part D claims, 2024
- Antibiotics5%22 of 445 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2842024: 31411%
Drugs named by CMS: 8 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Tanya Siddiqi scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Siddiqi for performance year 2024, reported as part of a group. Dr. Siddiqi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Siddiqi as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Siddiqi's MIPS scores, performance year 2024
- 93of 100Final score
- 78.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Tanya Siddiqi has 29 publications on record
Dmand AI links 29 papers to Dr. Siddiqi, published from 2023 to 2025. 2024 was the busiest year, with 9. The most frequent topics are Leukemia, Lymphocytic, Chronic, B-Cell, Immunotherapy, Adoptive and Lymphoma, Large B-Cell, Diffuse. Dr. Siddiqi has published most often in Blood Adv. Dr. Siddiqi's most frequent co-authors are Caron Alyce Jacobson, MD, Matthew Alexander Lunning, DO and William G. Wierda, MD, PhD.
Dr. Siddiqi's papers by year, 2023 to 2025
Topics Dr. Siddiqi writes about most
- Leukemia, Lymphocytic, Chronic, B-Cell
- Immunotherapy, Adoptive
- Lymphoma, Large B-Cell, Diffuse
- Receptors, Chimeric Antigen
- Antigens, CD19
- Biological Products
- Antibodies, Monoclonal, Humanized
- Antineoplastic Combined Chemotherapy Protocols
Dr. Siddiqi's most frequent co-authors
- Caron Alyce Jacobson, MD6 shared papers
- Matthew Alexander Lunning, DO5 shared papers
- William G. Wierda, MD, PhD5 shared papers
Recent publications by Dr. Siddiqi
Transplant Cell Ther
Semin Hematol
See who Dr. Siddiqi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Siddiqi works with, so you can find a warm path to the right hematology (internal medicine) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tanya Siddiqi received $266,715 in industry payments from 2016 to 2025
CMS Open Payments shows 269 general payments to Dr. Siddiqi from 16 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 39% of the total. AstraZeneca Pharmaceuticals LP paid the most, $67,527. It also lists 2 research payments totaling $106 from 2016 to 2019.
General payments to Dr. Siddiqi by program year, 2016 to 2025
General payments to Dr. Siddiqi by kind, 2016 to 2025
- Consulting fees$105,27539%
- Speaker and faculty fees$103,02539%
- Travel and lodging$45,74617%
- Food and beverage$7,6683%
- Other$5,0002%
Companies that paid Dr. Siddiqi the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tanya Siddiqi graduated from Aga Khan Medical College
Dr. Siddiqi graduated from Aga Khan Medical College in 2000.
- Medical school
- Board certified in hematology
Source: Dmand AI Professional Profile Data
Dr. Tanya Siddiqi accepts plans from 7 insurance carriers
Dr. Siddiqi is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Siddiqi accepts, by number of carriers
- Medicare7
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Tanya Siddiqi's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tanya Siddiqi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Tanya Siddiqi's NPI number?
Dr. Tanya Siddiqi's NPI number is 1467408948. It was assigned on May 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tanya Siddiqi?
Dr. Tanya Siddiqi is a hematology (internal medicine) physician in Duarte, California. The primary specialty in the NPI Registry is Hematology (Internal Medicine) Physician (taxonomy code 207RH0000X).
Where does Dr. Tanya Siddiqi practice?
Dr. Siddiqi practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Siddiqi's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Siddiqi to 1 other site.
What is Dr. Tanya Siddiqi's office phone number?
The practice phone on file for Dr. Siddiqi is (800) 826-4673.
What is Dr. Tanya Siddiqi's medical license number?
Dr. Siddiqi holds California license A107162, one of the licenses on file in 2 states.
Which states has Dr. Tanya Siddiqi been licensed in?
Dmand AI has state licenses on file for Dr. Siddiqi in California (2009 to 2027) and Massachusetts (2006 to 2011).
What medical group is Dr. Tanya Siddiqi part of?
Dr. Siddiqi is linked to City of Hope.
Does Dr. Tanya Siddiqi accept Medicare?
Yes. CMS data shows Dr. Siddiqi billed Medicare for 1,177 services in 2024, and Dr. Siddiqi accepts Medicare assignment.
Does Dr. Tanya Siddiqi offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Siddiqi as offering telehealth services.
What is Dr. Tanya Siddiqi's MIPS score?
Dr. Siddiqi's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Tanya Siddiqi see?
CMS counts 277 Medicare patients who saw Dr. Siddiqi in 2024, with an average age of 74.
Is Dr. Tanya Siddiqi board certified?
Yes. Dr. Siddiqi is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Tanya Siddiqi bill to Medicare?
In 2024, Dr. Siddiqi's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. Tanya Siddiqi go to medical school?
Dr. Siddiqi graduated from Aga Khan Medical College in 2000.
What drugs does Dr. Tanya Siddiqi prescribe most?
In 2024 Medicare Part D data, Dr. Siddiqi's most prescribed drugs by claims were Brukinsa, Venclexta and Allopurinol.
Has Dr. Tanya Siddiqi received payments from drug or device companies?
CMS Open Payments shows $266,715 in general payments to Dr. Siddiqi from 16 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Tanya Siddiqi been practicing?
Dr. Siddiqi graduated from medical school in 2000, 26 years ago.
Does Dr. Tanya Siddiqi do research?
Dmand AI links 29 publications to Dr. Siddiqi, published from 2023 to 2025.
Who does Dr. Tanya Siddiqi publish with?
Dr. Siddiqi's most frequent co-authors are Caron Alyce Jacobson, MD (6 shared papers), Matthew Alexander Lunning, DO (5 shared papers) and William G. Wierda, MD, PhD (5 shared papers).
What insurance does Dr. Tanya Siddiqi accept?
Dr. Siddiqi is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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