Gregory Clark Greene, PA-C
Surgical Physician Assistant · Knoxville, TN
Gregory Clark Greene, PA-C is a surgical physician assistant with a practice address in Knoxville, Tennessee, and NPI 1871681213, issued on Oct 11, 2006. Check the license (Tennessee PA400, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Clark Greene
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA400 TN
Self-reported in NPPES; status is on the state search - Practice location
- 101 E Blount Ave Ste 800, Knoxville, TN 37920
- Phone
- (865) 632-5900
- Enumerated
- Oct 11, 2006
- Record last updated
- Jun 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (865) 637-2114
- Medicaid ID
- 3666163 TN
- Medicare enrollment
- Enrolled (PECOS I20111228000579); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 297 in Tennessee → Look up another NPI →
Also registered at 101 E Blount Ave Ste 800
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Brandt, PASurgical Physician Assistant1952498420
- Donald Simpson, PA-CSurgical Physician Assistant1588752943
- Deborah White, RN, CRNFARegistered Nurse First Assistant1023106317
Verify Gregory Clark Greene in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license PA400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average surgical physician assistant in 2024
218 Medicare Part D claims for 41 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Metoprolol Tartrate35 claims
- Oxycodone Hcl24 claims
- Amiodarone Hcl18 claims
- Pantoprazole Sodium18 claims
- Atorvastatin Calcium16 claims
- Furosemide16 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: $70.12
2 payments; by number, the most common kind was food and beverage; the largest payer was Getinge USA Sales, LLC. The 7,578 providers of this specialty with any payment received $703.95 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
- East Tennessee Cardiovascular Surgery Group PCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Clark Greene among 297 surgical physician assistant records in Tennessee
Gregory Clark Greene, PA-C is one of 297 surgical physician assistant records with a practice address in Tennessee. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 80% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1986 · median 2018 among the 215 with a school on file
- Record last updated2020 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Tennessee
There are 297 surgical physician assistant records in Tennessee.
All 297 in Tennessee → Every provider in Knoxville → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Morgan Anderson, PA-CKnoxville, TN 379201063821908
- Nicholas Baloga, PA-CKnoxville, TN 379201366764276
- Charles Brandt, PAKnoxville, TN 379201952498420
- William Cason, P.A.Knoxville, TN 379201083017503
- Adreanne Cason, PA-CKnoxville, TN 379201275931867
- Jennie Clark, PA CKnoxville, TN 379201114910247
- Cynthia Haney, PAKnoxville, TN 379201699718601
- Jodi Jans, PA CKnoxville, TN 379201164415287
Common questions
What is Gregory Clark Greene, PA-C's NPI number?
Gregory Clark Greene, PA-C's National Provider Identifier (NPI) is 1871681213, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Clark Greene, PA-C located?
The NPPES record lists a practice address at 101 E Blount Ave Ste 800, Knoxville, TN, 37920. Phone: (865) 632-5900. Providers update this record themselves, so call before visiting.
How can I verify Gregory Clark Greene, PA-C's license?
NPPES lists Tennessee license number PA400, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Clark Greene, PA-C prescribe under Medicare Part D?
In 2024, Gregory Clark Greene, PA-C had 218 Medicare Part D claims for 41 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.