DR. JENNIFER PHEMISTER M.D.
NPI 1598008542
Internal Medicine - Gastroenterology in Maryville, TN

Active since March 28, 2013PECOS EnrolledAccepts Medicare Assignment
355 BMH PHYSICIANS OFFICE BLDG, MARYVILLE, TN 37804(865) 980-5060(865) 980-5066 Get Directions Write a Review

NPPES record last updated: August 7, 2024. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Aug 7, 2024, Jul 18, 2022, Oct 22, 2021 and 6 more (9 updates tracked since 2017).

About Dr. Jennifer Phemister M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JENNIFER PHEMISTER M.D. (NPI 1598008542) is an individual gastroenterology provider in Maryville, Tennessee, licensed in Tennessee (52396) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1598008542
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JENNIFER PHEMISTERCredential: M.D.
Location Address355 BMH PHYSICIANS OFFICE BLDGMaryville, TN 37804-5820
Mailing Address103 W Broadway AveMaryville, TN 37801-4703 · (865) 273-1752 · Fax (865) 273-1755
Fax(865) 980-5066
Sole ProprietorNo
Medical School CMSEast Tennessee State University Quillen College Of MedicineGraduated 2013
Enumeration DateMarch 28, 2013
Last NPPES UpdateAugust 7, 20249 updates tracked since enumeration
NPPES CertifiedAugust 7, 2024
✔ NPI 1598008542 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in TN · 52396✔ Licensed in SC · 40908
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 52396 (TN)
Also ListedHospitalistTaxonomy 208M00000X · License MD0000052396 (TN)
355 BMH PHYSICIANS OFFICE BLDG, Maryville, TN 37804

Secondary Practice Locations 5

Location 1240 Medical Park BlvdBristol, TN 37620-7346 · Phone (423) 990-2424
Location 2907 E LaMar Alexander PkwyMaryville, TN 37804-5015 · Phone (865) 980-4897 · Fax (865) 977-4796
Location 3435 2nd StNewport, TN 37821-3703 · Phone (423) 625-2200
Location 4325 N. State of FranklinJohnson City, TN 37614 · Phone (423) 439-6283
Location 5107 Omni Dr Ste ASeneca, SC 29672-9448 · Phone (864) 695-6697

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jennifer Phemister M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052623782
PECOS Enrollment IDI20240725001444, I20250922000566, I20251029004514
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
135 services133 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
101 services62 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
54 services36 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
33 services33 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
30 services30 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
21 services21 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Lukes Hospital

Acute Care Hospitals · Duluth, MN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240047
Location915 East 1st StreetDuluth, MN 55805 · St. Louis County
Emergency services Birthing friendly

Akron General Medical Center

Acute Care Hospitals · Akron, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360027
Location1 Akron General AvenueAkron, OH 44307 · Summit County
Emergency services Birthing friendly

Medina Hospital

Acute Care Hospitals · Medina, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360091
Location1000 East Washington StreetMedina, OH 44256 · Medina County
Emergency services

Mcleod Regional Medical Center-Pee Dee

Acute Care Hospitals · Florence, SC
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420051
Location555 E Cheves St Box 8700Florence, SC 29506 · Florence County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37804 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
95%129 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
355 BMH PHYSICIANS OFFICE BLDG
MARYVILLE, TN 37804
Nurse Practitioner (Family)
355 BMH PHYSICIANS OFFICE BLDG
MARYVILLE, TN 37804
Nurse Practitioner (Family)
355 BMH PHYSICIANS OFFICE BLDG
MARYVILLE, TN 37804
Internal Medicine (Gastroenterology)
355 BMH PHYSICIANS OFFICE BLDG
MARYVILLE, TN 37804
Physician Assistant
355 BMH PHYSICIANS OFFICE BLDG
MARYVILLE, TN 37804
Internal Medicine (Gastroenterology)
355 BMH PHYSICIANS OFFICE BLDG
MARYVILLE, TN 37804
Nurse Practitioner (Family)
355 BMH PHYSICIANS OFFICE BLDG
MARYVILLE, TN 37804
Internal Medicine (Gastroenterology)
355 BMH PHYSICIANS OFFICE BLDG
MARYVILLE, TN 37804

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jennifer Phemister's NPI number?

The NPI number for Jennifer Phemister is 1598008542. It was assigned to this individual provider in the NPPES registry on March 28, 2013.

Where is Jennifer Phemister located?

Jennifer Phemister practices at 355 Bmh Physicians Office Bldg, Maryville, TN 37804. The listed phone number is (865) 980-5060.

What is Jennifer Phemister's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Jennifer Phemister enrolled in Medicare?

Yes. Jennifer Phemister is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Jennifer Phemister accept?

Health plans from BlueCross BlueShield of South Carolina, BlueCross BlueShield of Tennessee and InStil Health list Jennifer Phemister as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jennifer Phemister affiliated with any hospitals?

According to CMS data, Jennifer Phemister is affiliated with St Lukes Hospital, Akron General Medical Center, Medina Hospital and Mcleod Regional Medical Center-Pee Dee.

When was this NPI record last updated?

The NPPES record for Jennifer Phemister was last updated on August 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.