Brian Keith Collier, M.D.
Internal Medicine Physician · Knoxville, TN
Brian Keith Collier, M.D. is an internal medicine physician with a practice address in Knoxville, Tennessee, and NPI 1376619726, issued on Nov 28, 2006. Check the license (Tennessee MD0000021257, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Brian Keith Collier
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD0000021257 TN
16447 AL
Self-reported in NPPES; status is on the state search - Practice location
- 11440 Parkside Dr, Knoxville, TN 37934
- Phone
- (865) 925-9020
- Enumerated
- Nov 28, 2006
- Record last updated
- May 28, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (865) 377-1042
- Medicaid IDs
- 30593201 TN
000084387 AL - Medicare enrollment
- Enrolled (PECOS I20080508000474); accepts Medicare assignment
- Medical or professional school
- Wright State University Boonshoft School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 11440 Parkside Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Blackwood-Widner, PTPhysical Therapist1760655179
- Christina Davis, P.T.Physical Therapist1053374298
- Molly Dobson, MA, SLPSpeech-Language Pathologist1801068267
- Daniel Ely, M.D.Specialist1194744516
- Kim Emmett, M.D.Internal Medicine Physician1437174356
- Tanya Johnson, PTPhysical Therapist1750441341
Verify Brian Keith Collier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD0000021257Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,169 Medicare Part D claims for 186 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Eliquis177 claims
- Levothyroxine Sodium142 claims
- Myrbetriq78 claims
- Atorvastatin Calcium75 claims
- Furosemide61 claims
- Amlodipine Besylate58 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
- Hospital Medicine Services OF Tennessee PCLenoir City, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Keith Collier among 2,596 internal medicine physician records in Tennessee
Brian Keith Collier, M.D. is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 46% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1989 · median 2003 among the 1,705 with a school on file
- Record last updated2009 · 56% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
237 internal medicine physician records list a practice address in Knoxville
They are 237 of the 14,339 NPPES records with a practice address in Knoxville, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Knoxville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amy Barnett, MDKnoxville, TN 379341285848408
- Michael Collier, MDKnoxville, TN 379341811933674
- James Davis, MDKnoxville, TN 379341184602898
- Kim Emmett, M.D.Knoxville, TN 379341437174356
- Nathan Gray, MDKnoxville, TN 379341952347999
- Isham Hewgley, III, MDKnoxville, TN 379341215915921
- Michael Hill, MDKnoxville, TN 379341881634723
- Philippe Leveille, M.D.Knoxville, TN 379341609195924
Common questions
What is Brian Keith Collier, M.D.'s NPI number?
Brian Keith Collier, M.D.'s National Provider Identifier (NPI) is 1376619726, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian Keith Collier, M.D. located?
The NPPES record lists a practice address at 11440 Parkside Dr, Knoxville, TN, 37934. Phone: (865) 925-9020. Providers update this record themselves, so call before visiting.
How can I verify Brian Keith Collier, M.D.'s license?
NPPES lists Tennessee license number MD0000021257, 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 Brian Keith Collier, M.D. prescribe under Medicare Part D?
In 2024, Brian Keith Collier, M.D. had 2,169 Medicare Part D claims for 186 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.