Curtis R. Markham, M.D.
Addiction Medicine (Internal Medicine) Physician · Knoxville, TN
Curtis R. Markham, M.D. is an addiction medicine (internal medicine) physician with a practice address in Knoxville, Tennessee, and NPI 1124216387, issued on Oct 11, 2007. Check the license (Tennessee MD00018065, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Curtis R. Markham
- Credential
- M.D.
- Primary taxonomy
- Addiction Medicine (Internal Medicine) Physician 207RA0401X
- License number
- MD00018065 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2018 Western Ave, Knoxville, TN 37921
- Phone
- (865) 544-0406
- Enumerated
- Oct 11, 2007
- Record last updated
- Apr 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (865) 544-0480
- Medicaid ID
- 204882276 TN
- Entity
- Type 1 · individual
8 nearest addiction medicine (internal medicine) physician records → All 19 in Tennessee → Look up another NPI →
Also registered at 2018 Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manal Abbas, PHLEBOTOMISTPhlebotomy Technician1801457866
- Melinda Adams, R.N.Registered Nurse1134667785
- Magon Adams Shirley, PSY.D.Student in an Organized Health Care Education/Training Program1518356021
- Pamela Adkins, CNANurse's Aide1780422253
- Deborah Allen, M.D.Internal Medicine Physician1942237474
- Mykenzi Allison, MAStudent in an Organized Health Care Education/Training Program1427948710
Verify Curtis R. Markham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD00018065Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $22.65
1 payment: food and beverage; the largest payer was Daxor Corporation. The 188 providers of this specialty with any payment received $1,761.64 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.
Curtis R. Markham among 19 addiction medicine (internal medicine) physician records in Tennessee
Curtis R. Markham, M.D. is one of 19 addiction medicine (internal medicine) physician records with a practice address in Tennessee. 79% 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 42% of them.
- NPI issued2007 · 42% of these records are older, 32% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 26% of these records are
- Record last updated2019 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0401X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Internal Medicine) Physician providers in Tennessee
There are 19 addiction medicine (internal medicine) physician records in Tennessee.
All 19 in Tennessee → Every provider in Knoxville → Addiction Medicine (Internal Medicine) Physician nationwide →
The 8 addiction medicine (internal medicine) physician records with the nearest ZIP codes
- Lorin Holst, MDKnoxville, TN 379091598859894
- Christine Kasser, M.D.Cordova, TN 380181770607665
- Jacob Bezold, MDMemphis, TN 381041821651282
- Jessica Matthews, MDMemphis, TN 381041134623192
- John Woods, M.D.Memphis, TN 381191861452849
- Jason Della Vecchia, MDKingsport, TN 376601770554982
- Anna Arroyo Santiago, MDJohnson City, TN 376151861602906
- Schuyler Geller, M.D., M.P.H.Johnson City, TN 376041972653152
Common questions
What is Curtis R. Markham, M.D.'s NPI number?
Curtis R. Markham, M.D.'s National Provider Identifier (NPI) is 1124216387, issued on Oct 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Curtis R. Markham, M.D. located?
The NPPES record lists a practice address at 2018 Western Ave, Knoxville, TN, 37921. Phone: (865) 544-0406. Providers update this record themselves, so call before visiting.
How can I verify Curtis R. Markham, M.D.'s license?
NPPES lists Tennessee license number MD00018065, 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.
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.