NPPES file of Aug 9, 2026

Matthew Michael Greiner, P.A.

Surgical Physician Assistant · Knoxville, TN

Matthew Michael Greiner, P.A. is a surgical physician assistant with a practice address in Knoxville, Tennessee, and NPI 1942238175, issued on Jun 28, 2006. Check the license with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942238175
Name
Matthew Michael Greiner
Credential
P.A.
Primary taxonomy
Surgical Physician Assistant 363AS0400X
Practice location
2100 Clinch Ave Ste 430, Knoxville, TN 37916
Phone
(865) 541-2131
Enumerated
Jun 28, 2006
Record last updated
Jul 20, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(877) 821-0891
Medicaid ID
1509512 TN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Matthew Michael Greiner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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91% fewer Medicare Part D claims than the average surgical physician assistant in 2024

27 Medicare Part D claims, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D.

  1. Matthew Greiner27
  2. Specialty average304

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: $242.34

10 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.

  1. Matthew Greiner$242.34
  2. Specialty average$703.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Matthew Michael Greiner among 297 surgical physician assistant records in Tennessee

Matthew Michael Greiner, P.A. 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 fileNo · 72% of these records are
  • 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.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Christopher Sawyer, PAKnoxville, TN 379161235540733
  2. Molly Warren, PAKnoxville, TN 379161235359712
  3. Victor Bridges, PACKnoxville, TN 379171760475891
  4. Brenda Morison, PA-CKnoxville, TN 379171528091295
  5. Nicholas Baloga, PA-CKnoxville, TN 379201366764276
  6. Charles Brandt, PAKnoxville, TN 379201952498420
  7. Jennie Clark, PA CKnoxville, TN 379201114910247
  8. Gregory Greene, PA-CKnoxville, TN 379201871681213

Common questions

What is Matthew Michael Greiner, P.A.'s NPI number?

Matthew Michael Greiner, P.A.'s National Provider Identifier (NPI) is 1942238175, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Michael Greiner, P.A. located?

The NPPES record lists a practice address at 2100 Clinch Ave Ste 430, Knoxville, TN, 37916. Phone: (865) 541-2131. Providers update this record themselves, so call before visiting.

How can I verify Matthew Michael Greiner, P.A.'s license?

Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Matthew Michael Greiner, P.A. prescribe under Medicare Part D?

In 2024, Matthew Michael Greiner, P.A. had 27 Medicare Part D claims; 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.