Dr. Nauman Siddiqi, MD
- Medicare services, 2024
- 258
- Medicare patients, 2024
- 249
- MIPS score, 2024
- 86
- Hospital affiliations
- 5
- Industry payments
- $21,984
- Practice address
- 333 Corporate Dr, Ladera Ranch, CA 92694
- Practice phone
- Call (949) 276-2446
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Coastal Cardiology of Orange County
Ladera Ranch, 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. Nauman Siddiqi is a cardiologist in Ladera Ranch, California
Dr. Siddiqi practices at Coastal Cardiology of Orange County in Ladera Ranch, California.
Dr. Siddiqi's NPI, 1033381546, was assigned on March 25, 2008. Dr. Siddiqi graduated from Georgetown University School of Medicine in 2005. Dr. Siddiqi holds Texas license P3076.
- NPI
- 1033381546NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860679396
- NPI enumeration date
- March 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 276-2446
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nauman Siddiqi practices at Coastal Cardiology of Orange County in Ladera Ranch, California
Dr. Siddiqi's primary practice is Coastal Cardiology of Orange County, at 333 Corporate Dr, Ladera Ranch, CA 92694 in Orange County. The practice phone is (949) 276-2446.
- Coastal Cardiology of Orange County333 Corporate Dr, Ladera Ranch, CA 92694 · Orange CountyPhone(949) 276-2446
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nauman Siddiqi is affiliated with 9 sites of care and 4 medical groups
Dr. Siddiqi's primary practice is Coastal Cardiology of Orange County in Ladera Ranch, California. Dr. Siddiqi is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Coastal Cardiology of Orange County. Dmand AI also links Dr. Siddiqi to 4 more hospitals, 3 group practices and clinics and 3 medical groups, each 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. Nauman Siddiqi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siddiqi practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Coastal Cardiology of Orange County | Available with a free account |
| +8 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nauman Siddiqi is one of 2,375 cardiologists in California
Cardiovascular disease is Dr. Siddiqi's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Siddiqi's licenses on file in 2 states: Texas and California.
Specialties and state licenses
- Cardiovascular disease, TexasPrimary
- Internal medicine, California
Cardiologists near Dr. Siddiqi
Counts of cardiologists 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. Nauman Siddiqi billed Medicare for 258 services in 2024
CMS data shows 258 Medicare services from Dr. Siddiqi across 8 procedure codes in 2024, for 249 Medicare patients. Medicare paid $68,723 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Siddiqi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3562024: 23833%
- Surgery
- 2023: 582024: 2066%
Dr. Siddiqi compared with the California median for cardiologists, 2024
- Dr. Siddiqi
- California median
- Medicare services
- 258vs 1,56083% below
- Medicare patients
- 249vs 64461% below
Medians across 2,237 cardiologists 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 cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nauman Siddiqi treated 249 Medicare patients in 2024, average age 74
CMS counts 249 Medicare patients who saw Dr. Siddiqi in 2024. The largest group is 75 to 84, with 106 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% 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 71, with 42% women.
Dr. Siddiqi's Medicare patients by age, 2024
Dr. Siddiqi's Medicare patients by sex, 2024
- Women11446%
- Men13554%
Chronic conditions among Dr. Siddiqi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure64%
- Arthritis56%
- Diabetes49%
- Chronic kidney disease48%
- Atrial fibrillation41%
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 71
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nauman Siddiqi scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 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 counts 13 procedures of coronary angioplasty and stenting by Dr. Siddiqi, more than 35% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Siddiqi's MIPS scores, performance year 2024
- 86of 100Final score
- 66.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Siddiqi ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 35th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nauman Siddiqi received $21,984 in industry payments from 2016 to 2025
CMS Open Payments shows 226 general payments to Dr. Siddiqi from 21 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 43% of the total. Boston Scientific Corporation paid the most, $13,674.
General payments to Dr. Siddiqi by program year, 2016 to 2025
General payments to Dr. Siddiqi by kind, 2016 to 2025
- Consulting fees$9,40043%
- Food and beverage$9,27842%
- Travel and lodging$3,29015%
- Education$160%
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. Nauman Siddiqi graduated from Georgetown University School of Medicine
Dr. Siddiqi graduated from Georgetown University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nauman 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 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) |
| 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Nauman 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. Nauman Siddiqi's NPI number?
Dr. Nauman Siddiqi's NPI number is 1033381546. It was assigned on March 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Nauman Siddiqi?
Dr. Nauman Siddiqi is a cardiologist in Ladera Ranch, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Nauman Siddiqi practice?
Dr. Siddiqi practices at 333 Corporate Dr, Ladera Ranch, CA 92694. Dr. Siddiqi's primary practice is Coastal Cardiology of Orange County in Ladera Ranch, California. Dmand AI also links Dr. Siddiqi to 4 hospitals, 3 group practices and clinics and 3 medical groups.
What is Dr. Nauman Siddiqi's office phone number?
The practice phone on file for Dr. Siddiqi is (949) 276-2446.
What is Dr. Nauman Siddiqi's medical license number?
Dr. Siddiqi holds Texas license P3076, one of the licenses on file in 2 states.
Which states has Dr. Nauman Siddiqi been licensed in?
Dmand AI has state licenses on file for Dr. Siddiqi in Texas and California.
Which hospitals is Dr. Nauman Siddiqi affiliated with?
Dr. Siddiqi is affiliated with Hoag Hospital Newport Beach. Dmand AI links Dr. Siddiqi to 4 more hospitals.
What medical group is Dr. Nauman Siddiqi part of?
Dr. Siddiqi is linked to Coastal Cardiology of Orange County. Dmand AI links Dr. Siddiqi to 3 more medical groups.
Does Dr. Nauman Siddiqi accept Medicare?
Yes. CMS data shows Dr. Siddiqi billed Medicare for 258 services in 2024, and Dr. Siddiqi accepts Medicare assignment.
What is Dr. Nauman Siddiqi's MIPS score?
Dr. Siddiqi's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Nauman Siddiqi see?
CMS counts 249 Medicare patients who saw Dr. Siddiqi in 2024, with an average age of 74.
What services does Dr. Nauman Siddiqi bill to Medicare?
In 2024, Dr. Siddiqi's most billed Medicare services were heart test or procedure (93458), heart test or procedure (92928) and heart test or procedure (93460).
Where did Dr. Nauman Siddiqi go to medical school?
Dr. Siddiqi graduated from Georgetown University School of Medicine in 2005.
Has Dr. Nauman Siddiqi received payments from drug or device companies?
CMS Open Payments shows $21,984 in general payments to Dr. Siddiqi from 21 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Nauman Siddiqi been practicing?
Dr. Siddiqi graduated from medical school in 2005, 21 years ago.
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