Dr. Joseph Aaron Sivak, MD
- Medicare services, 2024
- 1,461
- Medicare patients, 2024
- 812
- Part D claims, 2024
- 383
- Hospital affiliations
- 4
- Industry payments
- $6,224
- Practice address
- 101 Manning Drive, Chapel Hill, NC 27514
- Practice phone
- Call (919) 966-4141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sivak'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. Joseph Aaron Sivak is an internist in Chapel Hill, North Carolina
Dr. Sivak practices at UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System.
Dr. Sivak's NPI, 1902040470, was assigned on April 28, 2009. Dr. Sivak graduated from Perelman School of Med at the University of Pennsylvania in 2009. Dr. Sivak holds North Carolina license 2012-00467.
- NPI
- 1902040470NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113155623
- NPI enumeration date
- April 28, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 966-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Aaron Sivak practices at UNC Hospitals in Chapel Hill, North Carolina
Dr. Sivak's primary practice is UNC Hospitals, at 101 Manning Drive, Chapel Hill, NC 27514 in Orange County. The practice phone is (919) 966-4141.
- UNC Hospitals101 Manning Drive, Chapel Hill, NC 27514 · Orange CountyPhone(919) 966-4141
Source: Dmand AI Affiliation Data
Dr. Joseph Aaron Sivak is affiliated with 7 sites of care and 5 medical groups
Dr. Sivak's primary practice is UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System. Dr. Sivak is also affiliated with UNC Health Rex. The medical group on file is UNC Faculty Physicians. Dmand AI also links Dr. Sivak to 2 more hospitals, 4 medical groups, 2 group practices and clinics and 1 therapy and rehab clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Aaron Sivak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sivak practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UNC Hospitals | Available with a free account |
| +6 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of North Carolina Health Care System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joseph Aaron Sivak is one of 3,705 internists in North Carolina
Internal medicine is Dr. Sivak's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sivak is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Sivak
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. Joseph Aaron Sivak billed Medicare for 1,461 services in 2024
CMS data shows 1,461 Medicare services from Dr. Sivak across 14 procedure codes in 2024, for 812 Medicare patients. Medicare paid $60,650 for them.
Dr. Sivak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 7302024: 93328%
- Office and hospital visits
- 2023: 3792024: 3771%
- Other services
- 2023: 02024: 136
- Imaging
- 2023: 402024: 1563%
Where Dr. Sivak's Medicare services took place, 2024
- In an office49934%
- In a facility96266%
Dr. Sivak compared with the North Carolina median for internists, 2024
- Dr. Sivak
- North Carolina median
- Medicare services
- 1,461vs 5212.8 times
- Medicare patients
- 812vs 1854.4 times
- Part D claims
- 271vs 272Close to median
Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.
Dr. Sivak'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. Sivak and other internists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Aaron Sivak treated 812 Medicare patients in 2024, average age 73
CMS counts 812 Medicare patients who saw Dr. Sivak in 2024. The largest group is 65 to 74, with 311 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.16, 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. Sivak's median patient age at 73, with 48% women.
Dr. Sivak's Medicare patients by age, 2024
Dr. Sivak's Medicare patients by sex, 2024
- Women38247%
- Men43053%
Chronic conditions among Dr. Sivak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease51%
- Heart failure45%
- Atrial fibrillation40%
- Chronic kidney disease38%
- Diabetes36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sivak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph Aaron Sivak wrote 383 Medicare Part D claims in 2024
In 2024, Dr. Sivak wrote 383 Medicare Part D claims for 67 patients. 73% of them were for generic drugs. CMS names the drug for 271 of them, across 10 drugs with 11 or more claims each, at $85,360 in total drug cost. In 2023, CMS named 241 claims across 9 drugs.
Dr. Sivak's Part D claims by kind of drug, 2024
- Generic280 claims73%
- Brand-name103 claims27%
Dr. Sivak'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2412024: 27112%
Drugs named by CMS: 10 in 2024, 9 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
How Dr. Joseph Aaron Sivak takes part in Medicare
Dr. Sivak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Joseph Aaron Sivak received $6,224 in industry payments from 2016 to 2025
CMS Open Payments shows 135 general payments to Dr. Sivak from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 59% of the total. Edwards Lifesciences Corporation paid the most, $1,798.
General payments to Dr. Sivak by program year, 2016 to 2025
General payments to Dr. Sivak by kind, 2016 to 2025
- Food and beverage$3,65359%
- Travel and lodging$2,34838%
- Speaker and faculty fees$2003%
- Education$230%
Companies that paid Dr. Sivak 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. Joseph Aaron Sivak graduated from Perelman School of Med at the University of Pennsylvania
Dr. Sivak graduated from Perelman School of Med at the University of Pennsylvania in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Aaron Sivak'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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. Joseph Aaron Sivak
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. Joseph Aaron Sivak's NPI number?
Dr. Joseph Aaron Sivak's NPI number is 1902040470. It was assigned on April 28, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Aaron Sivak?
Dr. Joseph Aaron Sivak is an internist in Chapel Hill, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joseph Aaron Sivak practice?
Dr. Sivak practices at 101 Manning Drive, Chapel Hill, NC 27514. Dr. Sivak's primary practice is UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System. Dmand AI also links Dr. Sivak to 2 hospitals, 4 medical groups, 2 group practices and clinics and 1 therapy and rehab clinic.
What is Dr. Joseph Aaron Sivak's office phone number?
The practice phone on file for Dr. Sivak is (919) 966-4141.
What is Dr. Joseph Aaron Sivak's medical license number?
Dr. Sivak holds North Carolina license 2012-00467.
Which hospitals is Dr. Joseph Aaron Sivak affiliated with?
Dr. Sivak practices at UNC Hospitals in Chapel Hill, North Carolina. Dr. Sivak is also affiliated with UNC Health Rex. Dmand AI links Dr. Sivak to 2 more hospitals.
What medical group is Dr. Joseph Aaron Sivak part of?
Dr. Sivak is linked to UNC Faculty Physicians. Dmand AI links Dr. Sivak to 4 more medical groups.
Does Dr. Joseph Aaron Sivak accept Medicare?
Yes. CMS data shows Dr. Sivak billed Medicare for 1,461 services in 2024, and Dr. Sivak accepts Medicare assignment.
How many Medicare patients does Dr. Joseph Aaron Sivak see?
CMS counts 812 Medicare patients who saw Dr. Sivak in 2024, with an average age of 73.
What services does Dr. Joseph Aaron Sivak bill to Medicare?
In 2024, Dr. Sivak's most billed Medicare services were heart test or procedure (93306), office visit, established patient (99214) and heart test or procedure (93308).
Show 4 more questionsShow fewer questions
Where did Dr. Joseph Aaron Sivak go to medical school?
Dr. Sivak graduated from Perelman School of Med at the University of Pennsylvania in 2009.
What drugs does Dr. Joseph Aaron Sivak prescribe most?
In 2024 Medicare Part D data, Dr. Sivak's most prescribed drugs by claims were Metoprolol Succinate, Eliquis and Atorvastatin Calcium.
Has Dr. Joseph Aaron Sivak received payments from drug or device companies?
CMS Open Payments shows $6,224 in general payments to Dr. Sivak from 17 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Joseph Aaron Sivak been practicing?
Dr. Sivak graduated from medical school in 2009, 17 years ago.
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