Mark W. Johnson, MD
Family Medicine Physician · Powell, TN
Mark W. Johnson, MD is a family medicine physician with a practice address in Powell, Tennessee, and NPI 1679571715, issued on Jul 12, 2005. Check the license (Tennessee 029781, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark W. Johnson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 029781 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2125 W Emory RD, Powell, TN 37849
- Phone
- (865) 938-7517
- Enumerated
- Jul 12, 2005
- Record last updated
- Apr 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (865) 938-1067
- Medicaid ID
- 3819183 TN
- Medicare enrollment
- Enrolled (PECOS I20050419001065); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 2125 W Emory RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Bejarano, DOFamily Medicine Physician1346207164
- Robert Fehr, MDFamily Medicine Physician1083659221
- Elizabeth Kirkwood, FNPFamily Nurse Practitioner1639446743
- Julius Vonclef, MDFamily Medicine Physician1740226646
- Jessi Young, APRN, MSNFamily Nurse Practitioner1184301145
Verify Mark W. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 029781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
8,976 Medicare Part D claims for 442 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 249 claims were for opioids.
Most prescribed
- Levothyroxine Sodium409 claims
- Rosuvastatin Calcium309 claims
- Atorvastatin Calcium289 claims
- Amlodipine Besylate276 claims
- Pantoprazole Sodium208 claims
- Lisinopril191 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.
Industry payments in 2024: $1,022.59
49 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Summit Medical Group, PLLCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark W. Johnson among 2,674 family medicine physician records in Tennessee
Mark W. Johnson, MD is one of 2,674 family medicine physician 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1994 · median 2004 among the 1,685 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 family medicine physician records list a practice address in Powell
They are 13 of the 467 NPPES records with a practice address in Powell, and 2,674 family medicine physician records in Tennessee.
All 2,674 in Tennessee → Every provider in Powell → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ronald Barton, MDPowell, TN 378491083658405
- Andrew Bejarano, DOPowell, TN 378491346207164
- Kathy Chism, MDPowell, TN 378491710929484
- Rhea Dean, MDPowell, TN 378491528002946
- Robert Fehr, MDPowell, TN 378491083659221
- Brad Flaming, MDPowell, TN 378491265474936
- Courtney Halista, M.D.Powell, TN 378491417337965
- Jordan Lakin, DOPowell, TN 378491629575832
Common questions
What is Mark W. Johnson, MD's NPI number?
Mark W. Johnson, MD's National Provider Identifier (NPI) is 1679571715, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark W. Johnson, MD located?
The NPPES record lists a practice address at 2125 W Emory RD, Powell, TN, 37849. Phone: (865) 938-7517. Providers update this record themselves, so call before visiting.
How can I verify Mark W. Johnson, MD's license?
NPPES lists Tennessee license number 029781, 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 Mark W. Johnson, MD prescribe under Medicare Part D?
In 2024, Mark W. Johnson, MD had 8,976 Medicare Part D claims for 442 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.