Mark Leo Graham, M.D.
Hematology & Oncology Physician · Cary, NC
Mark Leo Graham, M.D. is a hematology & oncology physician with a practice address in Cary, North Carolina, and NPI 1760481667, issued on Jul 21, 2005. Check the license (North Carolina 39812, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Leo Graham
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 39812 NC
Self-reported in NPPES; status is on the state search - Practice location
- 210 Ashville Ave Ste 440, Cary, NC 27518
- Phone
- (919) 350-8585
- Enumerated
- Jul 21, 2005
- Record last updated
- Nov 9, 2022
- Medicaid IDs
- 89138AH NC
1760481667 NC - Medicare enrollment
- Enrolled (PECOS I20040225001119); accepts Medicare assignment
- Medical or professional school
- Mayo Medical School, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 431 in North Carolina → Look up another NPI →
Also registered at 210 Ashville Ave Ste 440
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Centner, PA-CPhysician Assistant1417480302
- Ryan Collins, PA-CPhysician Assistant1326709460
- Kathryn Siddle, PHARMDPharmacist1871049130
Verify Mark Leo Graham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 39812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average hematology & oncology physician in 2024
2,588 Medicare Part D claims for 418 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 146 claims were for opioids.
Most prescribed
- Anastrozole277 claims
- Tamoxifen Citrate198 claims
- Ibandronate Sodium124 claims
- Lenalidomide111 claims
- Prochlorperazine Maleate105 claims
- Dexamethasone97 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: $186.73
2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Wakemed Specialists Group LLCCary, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Leo Graham among 431 hematology & oncology physician records in North Carolina
Mark Leo Graham, M.D. is one of 431 hematology & oncology physician records with a practice address in North Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1982 · median 2003 among the 302 with a school on file
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in North Carolina
There are 431 hematology & oncology physician records in North Carolina.
All 431 in North Carolina → Every provider in Cary → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Elizabeth Campbell, MDCary, NC 275181871533315
- Charles Eisenbeis, MDCary, NC 275181548217490
- Ujjawal Gandhi, MBBS, PHDCary, NC 275181396002325
- Ranjit Joseph, MDCary, NC 275181821383951
- Suzanne Kirby, MDCary, NC 275181245305598
- Amit Mehta, M.D.Cary, NC 275181740460377
- Amanda Sherrod, MDCary, NC 275181801038849
- Sheila Shine, N.P.Cary, NC 275181053542381
Common questions
What is Mark Leo Graham, M.D.'s NPI number?
Mark Leo Graham, M.D.'s National Provider Identifier (NPI) is 1760481667, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Leo Graham, M.D. located?
The NPPES record lists a practice address at 210 Ashville Ave Ste 440, Cary, NC, 27518. Phone: (919) 350-8585. Providers update this record themselves, so call before visiting.
How can I verify Mark Leo Graham, M.D.'s license?
NPPES lists North Carolina license number 39812, 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 Mark Leo Graham, M.D. prescribe under Medicare Part D?
In 2024, Mark Leo Graham, M.D. had 2,588 Medicare Part D claims for 418 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.