NPPES file of Aug 9, 2026

Jennifer Phemister, M.D.

Gastroenterology Physician · Maryville, TN

Jennifer Phemister, M.D. is a gastroenterology physician with a practice address in Maryville, Tennessee, and NPI 1598008542, issued on Mar 28, 2013. Check the license (Tennessee 52396, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598008542
Name
Jennifer Phemister
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
52396 TN
MD0000052396 TN
40908 SC
Self-reported in NPPES; status is on the state search
Practice location
355 Bmh Physicians Office Bldg, Maryville, TN 37804
Phone
(865) 980-5060
Enumerated
Mar 28, 2013
Record last updated
Aug 7, 2024
Fax
(865) 980-5066
Medicare enrollment
Enrolled (PECOS I20251029004514); accepts Medicare assignment
Medical or professional school
East Tennessee State University Quillen College Of Medicine, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 355 Bmh Physicians Office Bldg

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

  1. Andrew Canning, M.D.Gastroenterology Physician1760833925
  2. Katasha FlattFamily Nurse Practitioner1588010185
  3. Laura Hensley, FNP-CFamily Nurse Practitioner1992406979
  4. Sirisha Jasti, MDGastroenterology Physician1477716744
  5. Sandra Kovach, APNFamily Nurse Practitioner1497732168
  6. Heath Long, FNP-CFamily Nurse Practitioner1265085385

Verify Jennifer Phemister in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 52396
    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
Open 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

83% fewer Medicare Part D claims than the average gastroenterology physician in 2024

141 Medicare Part D claims for 74 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Jennifer Phemister141
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium36 claims
  2. Famotidine11 claims
  3. Rinvoq11 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: $495.09

28 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.

  1. Jennifer Phemister$495.09
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 4 group practices

  1. Mcleod Regional Medical Center OF The Pee Dee IncFlorence, SC
  2. Partners Physician GroupMedina, OH
  3. St. Luke's Hospital OF DuluthDuluth, MN
  4. Wellmont Medical Associates IncKingsport, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jennifer Phemister among 384 gastroenterology physician records in Tennessee

Jennifer Phemister, M.D. 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 2013, is newer than 85% of them.

  • NPI issued2013 · 85% of these records are older, 13% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2013 · median 2001 among the 255 with a school on file
  • Record last updated2024 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Edward Brown, MDMaryville, TN 378041851354195
  2. Andrew Canning, M.D.Maryville, TN 378041760833925
  3. Richard Cline, MDMaryville, TN 378041942263280
  4. Isaac Cline, M.D.Maryville, TN 378041245592823
  5. Michael Coffey, MDMaryville, TN 378041225091564
  6. Sirisha Jasti, MDMaryville, TN 378041477716744
  7. William Lyles, MDMaryville, TN 378041750364782
  8. Ravindra Murthy, MDMaryville, TN 378041306938048

Common questions

What is Jennifer Phemister, M.D.'s NPI number?

Jennifer Phemister, M.D.'s National Provider Identifier (NPI) is 1598008542, issued on Mar 28, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Phemister, M.D. located?

The NPPES record lists a practice address at 355 Bmh Physicians Office Bldg, Maryville, TN, 37804. Phone: (865) 980-5060. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Phemister, M.D.'s license?

NPPES lists Tennessee license number 52396, 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 Jennifer Phemister, M.D. prescribe under Medicare Part D?

In 2024, Jennifer Phemister, M.D. had 141 Medicare Part D claims for 74 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.