Stephen Howard Dyar, MD
Hematology & Oncology Physician · Greenville, SC
Stephen Howard Dyar, MD is a hematology & oncology physician with a practice address in Greenville, South Carolina, and NPI 1497883565, issued on Mar 1, 2007. Check the license (South Carolina 34992, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Stephen Howard Dyar
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 34992 SC
ME104643 FL
134068 NC
Self-reported in NPPES; status is on the state search - Practice location
- 104 Innovation Dr Ste 2000, Greenville, SC 29607
- Phone
- (864) 603-6300
- Enumerated
- Mar 1, 2007
- Record last updated
- Jul 21, 2022
- Fax
- (864) 603-6160
- Medicaid ID
- 349929 SC
- Medicare enrollment
- Enrolled (PECOS I20120727000659); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 181 in South Carolina → Look up another NPI →
Also registered at 104 Innovation Dr Ste 2000
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sara Beverly, LCSWClinical Social Worker1720564123
- William Felkel, M.D.Psychiatry Physician1821309998
- Anuja Kamat, MDHematology & Oncology Physician1730675364
- Kevin Koehler, MDHematology & Oncology Physician1093034746
- William Lowrance, MDUrology Physician1922155878
- Genevieve Romano-Helm, FNPFamily Nurse Practitioner1578990461
Verify Stephen Howard Dyar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 34992Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average hematology & oncology physician in 2024
2,189 Medicare Part D claims for 448 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 79 claims were for opioids.
Most prescribed
- Anastrozole560 claims
- Prednisone141 claims
- Abiraterone Acetate114 claims
- Letrozole91 claims
- Ondansetron Hcl84 claims
- Prochlorperazine Maleate55 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.
The MIPS final score for 2023 (Medicare payment program): 78.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $65,407.70
52 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Daiichi Sankyo Inc. 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
- Bon Secours Medical Group Greenville Specialty Care LLCGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Howard Dyar among 181 hematology & oncology physician records in South Carolina
Stephen Howard Dyar, MD is one of 181 hematology & oncology physician records with a practice address in South Carolina. 86% 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 51% of them.
- NPI issued2007 · 51% of these records are older, 40% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2006 · median 2006 among the 139 with a school on file
- Record last updated2022 · 52% 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 South 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 South Carolina
There are 181 hematology & oncology physician records in South Carolina.
All 181 in South Carolina → Every provider in Greenville → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Joanna Grabska, MDGreenville, SC 296071144546557
- Anuja Kamat, MDGreenville, SC 296071730675364
- Kevin Koehler, MDGreenville, SC 296071093034746
- Reginald Brooker, MDGreenville, SC 296051871598201
- William Edenfield, MDGreenville, SC 296051851396295
- William Gluck, MDGreenville, SC 296051053316349
- Michael Haughton, M.D.Greenville, SC 296051316266208
- Richard O'Neal, M.D.Greenville, SC 296051437562386
Common questions
What is Stephen Howard Dyar, MD's NPI number?
Stephen Howard Dyar, MD's National Provider Identifier (NPI) is 1497883565, issued on Mar 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Howard Dyar, MD located?
The NPPES record lists a practice address at 104 Innovation Dr Ste 2000, Greenville, SC, 29607. Phone: (864) 603-6300. Providers update this record themselves, so call before visiting.
How can I verify Stephen Howard Dyar, MD's license?
NPPES lists South Carolina license number 34992, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Howard Dyar, MD prescribe under Medicare Part D?
In 2024, Stephen Howard Dyar, MD had 2,189 Medicare Part D claims for 448 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Stephen Howard Dyar, MD's MIPS final score?
The 2023 MIPS final score is 78.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.