JEFF R WILLIS M.D.
NPI 1356385991
Internal Medicine - Gastroenterology in Missoula, MT

Active since June 15, 2006PECOS EnrolledAccepts Medicare Assignment
1930 W BROADWAY ST STE A, MISSOULA, MT 59808(406) 541-6844(406) 541-6843 Get Directions Write a Review

NPPES record last updated: October 7, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 7, 2024, Jul 21, 2022, May 25, 2017 (3 updates tracked since 2017).

About Jeff R Willis M.d. NPPES

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

JEFF R WILLIS M.D. (NPI 1356385991) is an individual gastroenterology provider in Missoula, Montana, licensed in Montana (56022) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with St. Patrick Hospital, and is a graduate of Virginia Commonwealth University, School Of Medicine (1990).

NPPES Registry Identity

NPI1356385991
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJEFF R WILLISCredential: M.D.
Location Address1930 W BROADWAY ST STE AMissoula, MT 59808-1960
Mailing Address1930 W Broadway St Ste AMissoula, MT 59808-1960 · (406) 541-6844 · Fax (406) 541-6843
Fax(406) 541-6843
Sole ProprietorNo
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 1990
Enumeration DateJune 15, 2006
Last NPPES UpdateOctober 7, 20243 updates tracked since enumeration
NPPES CertifiedOctober 7, 2024
NPI 1356385991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in MT · 56022 Licensed in VA · 0101059226
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.
1930 W BROADWAY ST STE A, Missoula, MT 59808

Other Identifiers 7

Other15750VA · Optima
Other327082VA · Anthem
Other100012482VA · Medicare Rr
Other1659563799VA · Group Npi
Other5426240VA · Aetna
Medicaid8905530NC
Medicaid5825041VA

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

Jeff R Willis 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 ID7113826850
PECOS Enrollment IDI20170601001375
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 15

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.

Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
212 services210 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
185 services184 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.
121 services112 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
48 services42 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.
42 services39 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
39 services33 patients

Hospital Affiliations CMS Care Compare 3

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

St. Patrick Hospital

Acute Care Hospitals · Missoula, MT
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number270014
Location500 W BroadwayMissoula, MT 59806 · Missoula County
Emergency services Birthing friendly

Community Medical Center

Acute Care Hospitals · Missoula, MT
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270023
Location2827 Fort Missoula RdMissoula, MT 59804 · Missoula County
Emergency services Birthing friendly

Bitterroot Health - Daly Hospital

Critical Access Hospitals · Hamilton, MT
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number271340
Location1200 Westwood DrHamilton, MT 59840 · Ravalli County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59808 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
$130.52 typical visit price
range $56.81 – $172.26
Typical copayment $32.63 (range $14.20 – $43.06)
Most-billed visit code 99204
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
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.

Other Providers at the Same Location NPPES 14

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

Nurse Anesthetist, Certified Registered
1930 W BROADWAY ST STE A
MISSOULA, MT 59808
Internal Medicine (Gastroenterology)
1930 W BROADWAY ST STE A
MISSOULA, MT 59808
Physician Assistant
1930 W BROADWAY ST STE A
MISSOULA, MT 59808
Internal Medicine (Gastroenterology)
1930 W BROADWAY ST STE A
MISSOULA, MT 59808
Internal Medicine (Gastroenterology)
1930 W BROADWAY ST STE A
MISSOULA, MT 59808
Physician Assistant
1930 W BROADWAY ST STE A
MISSOULA, MT 59808
Nurse Anesthetist, Certified Registered
1930 W BROADWAY ST STE A
MISSOULA, MT 59808
Internal Medicine (Gastroenterology)
1930 W BROADWAY ST STE A
MISSOULA, MT 59808

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 Jeff Willis's NPI number?

The NPI number for Jeff Willis is 1356385991. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Where is Jeff Willis located?

Jeff Willis practices at 1930 W Broadway St Ste A, Missoula, MT 59808. The listed phone number is (406) 541-6844.

What is Jeff Willis's specialty?

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

Is Jeff Willis enrolled in Medicare?

Yes. Jeff Willis 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 Jeff Willis accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and Providence Health Plan list Jeff Willis 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 Jeff Willis affiliated with any hospitals?

According to CMS data, Jeff Willis is affiliated with St. Patrick Hospital, Community Medical Center and Bitterroot Health - Daly Hospital.

When was this NPI record last updated?

The NPPES record for Jeff Willis was last updated on October 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.