NPPES file of Aug 9, 2026

Mark Douglas Rathjen, PHARMD RPH DPH

Pharmacist · Knoxville, TN

Mark Douglas Rathjen, PHARMD RPH DPH is a pharmacist with a practice address in Knoxville, Tennessee, and NPI 1134237555, issued on Aug 26, 2006. Check the license (Tennessee 8017, as entered in NPPES) with the Tennessee board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134237555
Name
Mark Douglas Rathjen
Credential
PHARMD RPH DPH
Primary taxonomy
Pharmacist 183500000X
License numbers
8017 TN
6283 OR
Self-reported in NPPES; status is on the state search
Practice location
7466 Oak Ridge Hwy, Knoxville, TN 37931
Phone
(865) 769-8326
Enumerated
Aug 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(865) 769-8656
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest pharmacist records → All 7,226 in Tennessee → Look up another NPI →

Also registered at 7466 Oak Ridge Hwy

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

  1. Lauren Essary, PHARMDPharmacist1962740043
  2. Amy Mata, PHARM DPharmacist1265743124
  3. Rebecca Pope, PHARMDPharmacist1689008138

Verify Mark Douglas Rathjen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 8017    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
Find 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.

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Mark Douglas Rathjen among 7,226 pharmacist records in Tennessee

Mark Douglas Rathjen, PHARMD RPH DPH is one of 7,226 pharmacist records with a practice address in Tennessee. 5% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 93% newer
  • In a Medicare fileNo · 5% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2007 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

548 pharmacist records list a practice address in Knoxville

They are 548 of the 14,339 NPPES records with a practice address in Knoxville, and 7,226 pharmacist records in Tennessee. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,226 in Tennessee → Every provider in Knoxville → Pharmacist nationwide →

The 8 pharmacist records with the nearest ZIP codes

  1. Jimmy Ball, PHARMDDKnoxville, TN 379311245369065
  2. Rikki Ballengee, PHARM.DKnoxville, TN 379311578846911
  3. Elizabeth Cuccia, PHARMDKnoxville, TN 379311902112972
  4. Anthony Degeorge, PHARMDKnoxville, TN 379311023364924
  5. Rosa Harness, PHARM DKnoxville, TN 379311366724114
  6. Kylie Helle, PHARM DKnoxville, TN 379311669756607
  7. Amy Mata, PHARM DKnoxville, TN 379311265743124
  8. Rita Moore, PHARM.D.Knoxville, TN 379311124149570

Common questions

What is Mark Douglas Rathjen, PHARMD RPH DPH's NPI number?

Mark Douglas Rathjen, PHARMD RPH DPH's National Provider Identifier (NPI) is 1134237555, issued on Aug 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Douglas Rathjen, PHARMD RPH DPH located?

The NPPES record lists a practice address at 7466 Oak Ridge Hwy, Knoxville, TN, 37931. Phone: (865) 769-8326. Providers update this record themselves, so call before visiting.

How can I verify Mark Douglas Rathjen, PHARMD RPH DPH's license?

NPPES lists Tennessee license number 8017, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.