David Wayne Koontz, MD
Internal Medicine Physician · Greenville, SC
David Wayne Koontz, MD is an internal medicine physician with a practice address in Greenville, South Carolina, and NPI 1750366647, issued on Dec 13, 2005. Check the license (South Carolina 22464, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Wayne Koontz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 22464 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1025 Verdae Blvd, Greenville, SC 29607
- Phone
- (864) 242-4683
- Enumerated
- Dec 13, 2005
- Record last updated
- Apr 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (864) 240-8104
- Medicaid ID
- 224643 SC
- Medicare enrollment
- Enrolled (PECOS I20040730000207); accepts Medicare assignment
- Medical or professional school
- Wake Forest University School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 1025 Verdae Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Bayliss, M.D.Internal Medicine Physician1356326383
- Katherine Birchenough, MDEmergency Medicine Physician1073567368
- James Bloodworth, MDInternal Medicine Physician1730164781
- Caroline Brownlee, MDInternal Medicine Physician1003898651
- John Bucci, PTPhysical Therapist1376524744
- Thomas Chambliss, M.D.Internal Medicine Physician1578586202
Verify David Wayne Koontz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 22464Check 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 internal medicine physician in 2024
9,282 Medicare Part D claims for 646 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 116 claims were for opioids.
Most prescribed
- Atorvastatin Calcium474 claims
- Amlodipine Besylate374 claims
- Rosuvastatin Calcium309 claims
- Losartan Potassium308 claims
- Lisinopril284 claims
- Levothyroxine Sodium279 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
- Prisma Health University Medical GroupGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Wayne Koontz among 1,881 internal medicine physician records in South Carolina
David Wayne Koontz, MD is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% 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, 93% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1998 · median 2006 among the 1,119 with a school on file
- Record last updated2012 · 46% 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 South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
253 internal medicine physician records list a practice address in Greenville
They are 253 of the 10,264 NPPES records with a practice address in Greenville, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Greenville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Bayliss, M.D.Greenville, SC 296071356326383
- James Bloodworth, MDGreenville, SC 296071730164781
- Caroline Brownlee, MDGreenville, SC 296071003898651
- Robert Dubose, MDGreenville, SC 296071659356988
- Steven Graddick, MDGreenville, SC 296071265417380
- Daniel Grover, MDGreenville, SC 296071467437921
- Jai Hwang, MDGreenville, SC 296071366427775
- Peter Maurides, MD, FACPGreenville, SC 296071649255472
Common questions
What is David Wayne Koontz, MD's NPI number?
David Wayne Koontz, MD's National Provider Identifier (NPI) is 1750366647, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Wayne Koontz, MD located?
The NPPES record lists a practice address at 1025 Verdae Blvd, Greenville, SC, 29607. Phone: (864) 242-4683. Providers update this record themselves, so call before visiting.
How can I verify David Wayne Koontz, MD's license?
NPPES lists South Carolina license number 22464, 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 David Wayne Koontz, MD prescribe under Medicare Part D?
In 2024, David Wayne Koontz, MD had 9,282 Medicare Part D claims for 646 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.