Timothy Michael Zagar, M.D.
Radiation Oncology Physician · Chapel Hill, NC
Timothy Michael Zagar, M.D. is a radiation oncology physician with a practice address in Chapel Hill, North Carolina, and NPI 1972703288, issued on Jul 24, 2007. Check the license (North Carolina 149275, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Timothy Michael Zagar
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 149275 NC
Self-reported in NPPES; status is on the state search - Practice location
- 101 Manning Dr, Chapel Hill, NC 27514
- Phone
- (919) 966-0400
- Enumerated
- Jul 24, 2007
- Record last updated
- Jan 10, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180507001159); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2006
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 230 in North Carolina → Look up another NPI →
Also registered at 101 Manning Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sudeep Acharya, M.D.Student in an Organized Health Care Education/Training Program1144719402
- Stephen Acosta, MDAnesthesiology Physician1255741757
Verify Timothy Michael Zagar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 149275Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average radiation oncology physician in 2024
385 Medicare Part D claims for 128 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 87 claims were for opioids.
Most prescribed
- Tamsulosin Hcl111 claims
- Oxycodone Hcl55 claims
- Lidocaine Hcl Viscous47 claims
- Ondansetron Hcl19 claims
- Orgovyx19 claims
- Dexamethasone14 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.
Bills Medicare through one group practice
- Northeastern Radiation OncologyGlens Falls, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Michael Zagar among 230 radiation oncology physician records in North Carolina
Timothy Michael Zagar, M.D. is one of 230 radiation oncology physician records with a practice address in North Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 36% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2006 · median 2003 among the 166 with a school on file
- Record last updated2013 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in North Carolina
There are 230 radiation oncology physician records in North Carolina.
All 230 in North Carolina → Every provider in Chapel Hill → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Mitchell Anscher, M.D.Chapel Hill, NC 275141366472102
- Xuguang Chen, MDChapel Hill, NC 275141235666868
- Gaorav Gupta, M.D., PH.D.Chapel Hill, NC 275141740416478
- Ellen Jones, M.D.Chapel Hill, NC 275141780770164
- Lawrence Marks, M.D.Chapel Hill, NC 275141417043738
- Michael Repka, MDChapel Hill, NC 275141760829527
- Shivani Sud, MDChapel Hill, NC 275141942720149
- Andrew Wang, M.D.Chapel Hill, NC 275141306023460
Common questions
What is Timothy Michael Zagar, M.D.'s NPI number?
Timothy Michael Zagar, M.D.'s National Provider Identifier (NPI) is 1972703288, issued on Jul 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Michael Zagar, M.D. located?
The NPPES record lists a practice address at 101 Manning Dr, Chapel Hill, NC, 27514. Phone: (919) 966-0400. Providers update this record themselves, so call before visiting.
How can I verify Timothy Michael Zagar, M.D.'s license?
NPPES lists North Carolina license number 149275, 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 Timothy Michael Zagar, M.D. prescribe under Medicare Part D?
In 2024, Timothy Michael Zagar, M.D. had 385 Medicare Part D claims for 128 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.