Jennifer Phemister, M.D.

Gastroenterology · Internal Medicine (CMS) · Maryville, TN

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At a glance

355 Bmh Physicians Office Bldg, Maryville, TN 37804-5820

Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage

NPPES record updated Aug 7, 2024. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

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Practice location

355 Bmh Physicians Office Bldg
Maryville, TN 37804-5820

Additional reported practice locations

240 Medical Park Blvd
Bristol, TN 376207346
Phone: 4239902424
907 E Lamar Alexander Pkwy
Maryville, TN 378045015
Phone: 8659804897
Fax: 8659774796
435 2Nd St
Newport, TN 378213703
Phone: 4236252200
325 N. State Of Franklin
Johnson City, TN 37614
Phone: 4234396283
107 Omni Dr Ste A
Seneca, SC 296729448
Phone: 8646956697
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
East Tennessee State University Quillen College Of Medicine
Graduation year
2013
CMS specialties
Gastroenterology · Internal Medicine

Practice groups

Reported hospital affiliations

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

Procedure categoryPublished Medicare activity
Colonoscopy127
Upper gastrointestinal (GI) endoscopy for acid reflux221

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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PAYMENT TRANSPARENCY

Industry-reported general payments

$282.94General payments · 2025
16Reported transactions
7Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

PurposeAmount
Food and beverage$282.94

Reporting companies

CompanyAmount
JANSSEN BIOTECH, INC.$138.05
NEURAXIS, INC.$35.82
TAKEDA PHARMACEUTICALS U.S.A., INC.$35.64
AIMMUNE THERAPEUTICS, INC.$22.15
INTERCEPT PHARMACEUTICALS, INC.$21.49
MADRIGAL PHARMACEUTICALS$15.30
LILLY USA, LLC$14.49
View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1598008542
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Registry details

Primary taxonomy
Gastroenterology · Internal Medicine (CMS)
Taxonomy code
207RG0100X
Enumeration date
Mar 28, 2013
Record updated
Aug 7, 2024
More registry details
Provider type
Individual · Type 1
Reported credentials
M.D.

Reported taxonomies and licenses

Specialty details in registry

207RG0100X

License reported: 40908 SC

Specialty details in registry

208M00000X

License reported: MD0000052396 TN

Internal Medicine

207R00000X

License reported: 52396 TN

Specialty details in registry

207RG0100X · Primary

License reported: 52396 TN

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

355 Bmh Physicians Office Bldg
Maryville, TN 37804-5820
Phone
(865) 980-5060
Fax
(865) 980-5066
Mailing address
103 W BROADWAY AVE

MARYVILLE, TN 378014703
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

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