Mark W. Jackson, MD
Gastroenterology Physician · Knoxville, TN
Mark W. Jackson, MD is a gastroenterology physician with a practice address in Knoxville, Tennessee, and NPI 1699745273, issued on Jan 25, 2006. Check the license (Tennessee MD28432, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark W. Jackson
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD28432 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1819 W Clinch Ave, Knoxville, TN 37916
- Phone
- (865) 523-6418
- Enumerated
- Jan 25, 2006
- Record last updated
- Feb 3, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (865) 523-6587
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →
Also registered at 1819 W Clinch Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kelly Baker, MDFamily Medicine Physician1174567598
- Amanda Barnes, FNPFamily Nurse Practitioner1194124388
- Jeffrey Brown, MDGastroenterology Physician1730159310
Verify Mark W. Jackson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD28432Check 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: $67.46
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Mark W. Jackson among 384 gastroenterology physician records in Tennessee
Mark W. Jackson, MD is one of 384 gastroenterology 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 2006, is newer than 26% of them.
- NPI issued2006 · 26% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2012 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Tennessee
There are 384 gastroenterology physician records in Tennessee.
All 384 in Tennessee → Every provider in Knoxville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jeffrey Brown, MDKnoxville, TN 379161730159310
- Muhammed Iqbal, MDKnoxville, TN 379161144290727
- Robert Pollack, MDKnoxville, TN 379161497725089
- Mark Anderson, MDKnoxville, TN 379201003993163
- Shaker Barham, M.D.Knoxville, TN 379201366825077
- Mahmoud Bayoumi, M.D., M.P.H.Knoxville, TN 379201023541109
- Benjamin Dalton, MDKnoxville, TN 379201396979936
- Sangeeta Gulati, MDKnoxville, TN 379201255418315
Common questions
What is Mark W. Jackson, MD's NPI number?
Mark W. Jackson, MD's National Provider Identifier (NPI) is 1699745273, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark W. Jackson, MD located?
The NPPES record lists a practice address at 1819 W Clinch Ave, Knoxville, TN, 37916. Phone: (865) 523-6418. Providers update this record themselves, so call before visiting.
How can I verify Mark W. Jackson, MD's license?
NPPES lists Tennessee license number MD28432, 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.