Dr. Simin Siddiq, MD
- Medicare services, 2024
- 809
- Medicare patients, 2024
- 126
- Part D claims, 2024
- 1,935
- MIPS score, 2024
- 64
- Hospital affiliations
- 1
- Practice address
- 2333 Mowry Ave, Fremont, CA 94538
- Practice phone
- Call (510) 796-0222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
California Cardiovascular Consultants
Fremont, California
Find Dr. Siddiq'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. Simin Siddiq is an internist in Fremont, California
Dr. Siddiq practices at California Cardiovascular Consultants in Fremont, California.
Dr. Siddiq's NPI, 1255362422, was assigned on July 6, 2006. Dr. Siddiq graduated from Kabul University Faculty of Medicine in 1977. Dr. Siddiq's California license number on file is A38666.
- NPI
- 1255362422NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658282454
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 796-0222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Simin Siddiq practices at California Cardiovascular Consultants in Fremont, California
Dr. Siddiq's primary practice is California Cardiovascular Consultants, at 2333 Mowry Ave, Fremont, CA 94538 in Alameda County. The practice phone is (510) 796-0222.
- California Cardiovascular Consultants2333 Mowry Ave, Fremont, CA 94538 · Alameda CountyPhone(510) 796-0222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Simin Siddiq is affiliated with 3 sites of care and 1 medical group
Dr. Siddiq's primary practice is California Cardiovascular Consultants in Fremont, California. Dr. Siddiq is also affiliated with Washington Health. The medical group on file is California Cardiovascular Consultants and Medical Associates. Dmand AI also links Dr. Siddiq to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Simin Siddiq's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siddiq practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| California Cardiovascular Consultants | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Simin Siddiq is one of 16,751 internists in California
Internal medicine is Dr. Siddiq's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Siddiq's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, aneurysm, arthritis, asthma, atrial fibrillation and flutter, bronchitis and cardiomyopathy among the conditions Dr. Siddiq treats.
Internists near Dr. Siddiq
Counts of internists 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. Simin Siddiq billed Medicare for 809 services in 2024
CMS data shows 809 Medicare services from Dr. Siddiq across 15 procedure codes in 2024, for 126 Medicare patients. Medicare paid $54,205 for them. Every service was in an office.
Dr. Siddiq's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5492024: 49610%
- Lab and pathology
- 2023: 2162024: 2026%
- Surgery
- 2023: 512024: 4316%
- Imaging
- 2023: 642024: 3841%
- Other services
- 2023: 582024: 3048%
Dr. Siddiq compared with the California median for internists, 2024
- Dr. Siddiq
- California median
- Medicare services
- 809vs 3612.2 times
- Medicare patients
- 126vs 15117% below
- Part D claims
- 1,525vs 4213.6 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Siddiq'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. Siddiq and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Simin Siddiq treated 126 Medicare patients in 2024, average age 74
CMS counts 126 Medicare patients who saw Dr. Siddiq in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 71% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Siddiq's median patient age at 70, with 67% women.
Dr. Siddiq's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Siddiq's Medicare patients by sex, 2024
- Women9172%
- Men3528%
Chronic conditions among Dr. Siddiq's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Osteoporosis46%
- Diabetes40%
- Arthritis39%
- Ischemic heart disease30%
- Heart failure18%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siddiq's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women67%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Simin Siddiq wrote 1,935 Medicare Part D claims in 2024
In 2024, Dr. Siddiq wrote 1,935 Medicare Part D claims for 167 patients. 92% of them were for generic drugs. CMS names the drug for 1,525 of them, across 35 drugs with 11 or more claims each, at $69,574 in total drug cost. In 2023, CMS named 1,770 claims across 44 drugs.
Dr. Siddiq's Part D claims by kind of drug, 2024
- Generic1,787 claims92%
- Brand-name and other148 claims8%
Dr. Siddiq'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. Siddiq's Part D claims, 2024
- Antibiotics3%57 of 1,935 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: 1,7702024: 1,52514%
Drugs named by CMS: 35 in 2024, 44 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. Simin Siddiq scored 64 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 64 out of 100 for Dr. Siddiq for performance year 2024, reported as part of a group. Dr. Siddiq accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Siddiq as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Siddiq's MIPS scores, performance year 2024
- 64of 100Final score
- 53.3of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 87of 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. Simin Siddiq received $2,890 in industry payments from 2016 to 2025
CMS Open Payments shows 161 general payments to Dr. Siddiq from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $452.
General payments to Dr. Siddiq by program year, 2016 to 2025
Companies that paid Dr. Siddiq 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. Simin Siddiq has 1 award and honors on record
Dmand AI lists 1 award for Dr. Siddiq, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Siddiq
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Simin Siddiq graduated from Kabul University Faculty of Medicine
Dr. Siddiq graduated from Kabul University Faculty of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Simin Siddiq accepts plans from 16 insurance carriers
Dr. Siddiq is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Siddiq accepts, by number of carriers
- PPO10
- Medicare9
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Simin Siddiq'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Simin Siddiq
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. Simin Siddiq's NPI number?
Dr. Simin Siddiq's NPI number is 1255362422. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Simin Siddiq?
Dr. Simin Siddiq is an internist in Fremont, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Simin Siddiq practice?
Dr. Siddiq practices at 2333 Mowry Ave, Fremont, CA 94538. Dr. Siddiq's primary practice is California Cardiovascular Consultants in Fremont, California. Dmand AI also links Dr. Siddiq to 1 group practice or clinic.
What is Dr. Simin Siddiq's office phone number?
The practice phone on file for Dr. Siddiq is (510) 796-0222.
What is Dr. Simin Siddiq's medical license number?
Dr. Siddiq's California license number on file is A38666, one of the licenses on file in 2 states.
Which states has Dr. Simin Siddiq been licensed in?
Dmand AI has state licenses on file for Dr. Siddiq in California (1982 to 2025) and Pennsylvania (1981 to 1992).
Which hospitals is Dr. Simin Siddiq affiliated with?
Dr. Siddiq is affiliated with Washington Health.
What medical group is Dr. Simin Siddiq part of?
Dr. Siddiq is linked to California Cardiovascular Consultants and Medical Associates.
Does Dr. Simin Siddiq accept Medicare?
Yes. CMS data shows Dr. Siddiq billed Medicare for 809 services in 2024, and Dr. Siddiq accepts Medicare assignment.
Does Dr. Simin Siddiq offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Siddiq as offering telehealth services.
Show 8 more questionsShow fewer questions
What is Dr. Simin Siddiq's MIPS score?
Dr. Siddiq's MIPS final score for performance year 2024 is 64 out of 100, reported as part of a group.
How many Medicare patients does Dr. Simin Siddiq see?
CMS counts 126 Medicare patients who saw Dr. Siddiq in 2024, with an average age of 74.
What services does Dr. Simin Siddiq bill to Medicare?
In 2024, Dr. Siddiq's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).
Where did Dr. Simin Siddiq go to medical school?
Dr. Siddiq graduated from Kabul University Faculty of Medicine in 1977.
What drugs does Dr. Simin Siddiq prescribe most?
In 2024 Medicare Part D data, Dr. Siddiq's most prescribed drugs by claims were Amlodipine Besylate, Metformin HCl and Simvastatin.
Has Dr. Simin Siddiq received payments from drug or device companies?
CMS Open Payments shows $2,890 in general payments to Dr. Siddiq from 38 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Simin Siddiq been practicing?
Dr. Siddiq graduated from medical school in 1977, 49 years ago.
What insurance does Dr. Simin Siddiq accept?
Dr. Siddiq is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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