Joseph Aaron Sivak, MD
Internal Medicine Physician · Eden, NC
Joseph Aaron Sivak, MD is an internal medicine physician with a practice address in Eden, North Carolina, and NPI 1902040470, issued on Apr 28, 2009. Check the license (North Carolina 2012-00467, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joseph Aaron Sivak
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2012-00467 NC
Self-reported in NPPES; status is on the state search - Practice location
- 518 S Van Buren RD Ste 3, Eden, NC 27288
- Phone
- (336) 864-3130
- Enumerated
- Apr 28, 2009
- Record last updated
- May 4, 2022
- Fax
- (336) 864-3135
- Medicare enrollment
- Enrolled (PECOS I20140108000433); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2009
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 518 S Van Buren RD Ste 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Siyuan Sheng, MD, MPHInternal Medicine Physician1740844109
Verify Joseph Aaron Sivak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2012-00467Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
383 Medicare Part D claims for 67 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Metoprolol Succinate49 claims
- Eliquis45 claims
- Atorvastatin Calcium39 claims
- Carvedilol29 claims
- Entresto27 claims
- Spironolactone22 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.
Industry payments in 2024: $389.24
4 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF North Carolina AT Chapel HillChapel Hill, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Aaron Sivak among 4,056 internal medicine physician records in North Carolina
Joseph Aaron Sivak, MD is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2009 · median 2004 among the 2,706 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in Eden
They are 9 of the 241 NPPES records with a practice address in Eden, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Eden → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hannah Barney, MDEden, NC 272881255990677
- Xaje Hasanaj, M.D.Eden, NC 272881003876871
- Frank Lauzau, M.D.Eden, NC 272881881753838
- Ashish Shah, M.D.Eden, NC 272881730287020
- Siyuan Sheng, MD, MPHEden, NC 272881740844109
- Dhruv Vyas, M.D.Eden, NC 272881437257706
- Gordon Williams, M.D.Eden, NC 272881194768382
- Paul Ziomek, M.D.Eden, NC 272881548357908
Common questions
What is Joseph Aaron Sivak, MD's NPI number?
Joseph Aaron Sivak, MD's National Provider Identifier (NPI) is 1902040470, issued on Apr 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Aaron Sivak, MD located?
The NPPES record lists a practice address at 518 S Van Buren RD Ste 3, Eden, NC, 27288. Phone: (336) 864-3130. Providers update this record themselves, so call before visiting.
How can I verify Joseph Aaron Sivak, MD's license?
NPPES lists North Carolina license number 2012-00467, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Aaron Sivak, MD prescribe under Medicare Part D?
In 2024, Joseph Aaron Sivak, MD had 383 Medicare Part D claims for 67 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.