NPPES file of Aug 9, 2026

Matthew Allen Frederick, D.O.

Emergency Medicine Physician · Knoxville, TN

Matthew Allen Frederick, D.O. is an emergency medicine physician with a practice address in Knoxville, Tennessee, and NPI 1144404526, issued on Dec 21, 2007. Check the license (Tennessee 2145, as entered in NPPES) on the Tennessee Board of Medical Examiners; 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
1144404526
Name
Matthew Allen Frederick
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
2145 TN
A-2435-20 NM
OP60257361 WA
Self-reported in NPPES; status is on the state search
Practice location
1924 Alcoa Highway, Knoxville, TN 37920
Phone
(865) 305-9000
Enumerated
Dec 21, 2007
Record last updated
Feb 19, 2025
Medicare enrollment
Enrolled (PECOS I20210325001905); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1924 Alcoa Highway

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christian Bolton, MDStudent in an Organized Health Care Education/Training Program1578258174
  2. Izabela Burja, MDAnatomic Pathology & Clinical Pathology Physician1215996194
  3. Katherine CochraneStudent in an Organized Health Care Education/Training Program1881116242
  4. Sandra Elkins, MDAnatomic Pathology & Clinical Pathology Physician1417916396
  5. Alan Grindstaff, MDAnatomic Pathology & Clinical Pathology Physician1801856935
  6. Michael Hemmert, CRNACertified Registered Nurse Anesthetist1285878819

Verify Matthew Allen Frederick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 2145
    Check 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
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

74% fewer Medicare Part D claims than the average emergency medicine physician in 2024

59 Medicare Part D claims for 46 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Matthew Frederick59
  2. Specialty average226

Most prescribed

  1. Oxycodone Hcl14 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

  1. Unm Medical Group IncAlbuquerque, NM

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew Allen Frederick among 1,174 emergency medicine physician records in Tennessee

Matthew Allen Frederick, D.O. is one of 1,174 emergency medicine physician records with a practice address in Tennessee. 83% 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 46% of them.

  • NPI issued2007 · 46% of these records are older, 47% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2007 · median 2012 among the 667 with a school on file
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Tennessee

There are 1,174 emergency medicine physician records in Tennessee.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Ralph Brooks, M.D.Knoxville, TN 379201891720736
  2. Roger Brooksbank, M.D.Knoxville, TN 379201932134889
  3. Erik Geibig, M.D.Knoxville, TN 379201578626065
  4. Douglas Holland, M.D.Knoxville, TN 379201184787855
  5. Gary Hurt, M.D.Knoxville, TN 379201194768085
  6. David Linn, M.D.Knoxville, TN 379201306871264
  7. Jonathan Martin, MDKnoxville, TN 379201881672558
  8. Keegan Miller, D.OKnoxville, TN 379201376748947

Common questions

What is Matthew Allen Frederick, D.O.'s NPI number?

Matthew Allen Frederick, D.O.'s National Provider Identifier (NPI) is 1144404526, issued on Dec 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Allen Frederick, D.O. located?

The NPPES record lists a practice address at 1924 Alcoa Highway, Knoxville, TN, 37920. Phone: (865) 305-9000. Providers update this record themselves, so call before visiting.

How can I verify Matthew Allen Frederick, D.O.'s license?

NPPES lists Tennessee license number 2145, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Matthew Allen Frederick, D.O. prescribe under Medicare Part D?

In 2024, Matthew Allen Frederick, D.O. had 59 Medicare Part D claims for 46 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.