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DR. JEFFREY JUSTIN RENTZ M.D.
NPI 1851363667
Specialist in Billings, MT

Active since February 06, 2006PECOS EnrolledAccepts Medicare Assignment
85.63/100
CMS Quality Rating
2900 12TH AVE N, SUITE 355W, BILLINGS, MT 59101(406) 238-6470(406) 238-6499 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Jeffrey Justin Rentz M.d. NPPES

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

DR. JEFFREY JUSTIN RENTZ M.D. (NPI 1851363667) is an individual specialist in Billings, Montana, licensed in Montana (11279) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with St Vincent Healthcare, and is a graduate of University Of Virginia School Of Medicine (1998).

NPPES Registry Identity

NPI1851363667
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. JEFFREY JUSTIN RENTZCredential: M.D.
Location Address2900 12TH AVE N, SUITE 355WBillings, MT 59101-7506
Mailing Address1450 Shade Tree CirBillings, MT 59102-7964
Phone(406) 238-6470
Fax(406) 238-6499
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 1998
Enumeration DateFebruary 6, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1851363667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in MT · 11279
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Also ListedSurgeryTaxonomy 208600000X · License 226178 (MA)

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.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. Jeffrey Justin Rentz 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 ID1456351295
PECOS Enrollment IDI20070102000121
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 8

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.

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.
88 services50 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
42 services42 patients
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.
40 services38 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.
31 services28 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
30 services30 patients
Repair of groin hernia using an endoscope 49650
This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.
22 services22 patients

Hospital Affiliations CMS Care Compare 2

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

St Vincent Healthcare

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number270049
Location1233 N 30th StBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Cody Regional Health

Critical Access Hospitals · Cody, WY
OwnershipGovernment - Hospital District or Authority
CMS Certification Number531312
Location707 Sheridan AvenueCody, WY 82414 · Park County
Emergency services

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.

85.63/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality87.87
Improvement Activities40
Cost68.28

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers20 claims20 services$17.13 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers26 claims26 services$96.07 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

DANIEL M MOLLOY M.D.
Obstetrics & Gynecology
2900 12TH AVE N, STE 245W
BILLINGS, MT 59101
Yellowstone County (406) 238-6010
ST VINCENT HEALTHCARE
Clinic/Center
2900 12TH AVE N, SUITE 130W
BILLINGS, MT 59101
Yellowstone County (406) 237-3620
ST. VINCENT HEALTHCARE
Clinic/Center (Multi-Specialty)
2900 12TH AVE N, SUITE 340W
BILLINGS, MT 59101
Yellowstone County (406) 237-4050
CHARLES MCCLAVE MD
Internal Medicine
2900 12TH AVE N, SUITE 160W
BILLINGS, MT 59101
Yellowstone County (406) 237-8500
DAVID W SHENTON JR. M.D.
Orthopaedic Surgery (Sports Medicine)
2900 12TH AVE N, #100E
BILLINGS, MT 59101
Yellowstone County (406) 238-6700
DR. ROBERT E STOCKDALE M.D.
Urology
2900 12TH AVE N, STE 503E
BILLINGS, MT 59101
Yellowstone County (406) 237-5400
TAD A. STICHMAN PA-C
Physician Assistant
2900 12TH AVE N, SUITE 140W
BILLINGS, MT 59101
Yellowstone County (406) 237-5050
FRED V SCHNEIDER M.D.
Surgery
2900 12TH AVE N, STE 502E
BILLINGS, MT 59101
Yellowstone County (406) 245-6982

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 Jeffrey Rentz's NPI number?

The NPI number for Jeffrey Rentz is 1851363667. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is Jeffrey Rentz located?

Jeffrey Rentz practices at 2900 12th Ave N Suite 355W, Billings, MT 59101. The listed phone number is (406) 238-6470.

What is Jeffrey Rentz's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Jeffrey Rentz enrolled in Medicare?

Yes. Jeffrey Rentz 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 Jeffrey Rentz accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Jeffrey Rentz 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 Jeffrey Rentz affiliated with any hospitals?

According to CMS data, Jeffrey Rentz is affiliated with St Vincent Healthcare and Cody Regional Health.

When was this NPI record last updated?

The NPPES record for Jeffrey Rentz was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.