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DR. NATHANIEL RIEB M.D.
NPI 1508068834
Surgery in Billings, MT

Active since May 31, 2007PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
801 N 29TH ST, BILLINGS, MT 59101(406) 238-2500 Get Directions Write a Review

NPPES record last updated: December 20, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 20, 2022, Feb 28, 2022 (2 updates tracked since 2022).

About Dr. Nathaniel Rieb M.d. NPPES

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

DR. NATHANIEL RIEB M.D. (NPI 1508068834) is an individual surgery provider in Billings, Montana, licensed in Wyoming (1345) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains a secondary practice location in Powell.

NPPES Registry Identity

NPI1508068834
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. NATHANIEL RIEBCredential: M.D.
Location Address801 N 29TH STBillings, MT 59101-0905
Mailing AddressPo Box 35100Billings, MT 59107-5100 · (406) 238-2500
Phone(406) 238-2500
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2005
Enumeration DateMay 31, 2007
Last NPPES UpdateDecember 20, 20222 updates tracked since enumeration
NPPES CertifiedDecember 20, 2022
✔ NPI 1508068834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in WY · 1345
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
801 N 29TH ST, Billings, MT 59101
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Secondary Practice Location 1

Location 1450 Mountain View StPowell, WY 82435-2212 · Phone (307) 754-7257 · Fax (307) 754-1231

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross Blue Shield of Wyoming, Mountain Health CO-OP 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. Nathaniel Rieb 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 ID9234324179
PECOS Enrollment IDI20101117000610, I20210604000855
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 6

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.

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.
38 services38 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
18 services18 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.
13 services13 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.
13 services13 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
13 services13 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.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Billings Clinic

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270004
Location2800 10th Ave NBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Beartooth Billings Clinic

Critical Access Hospitals · Red Lodge, MT
OwnershipVoluntary non-profit - Private
CMS Certification Number271326
Location2525 N BroadwayRed Lodge, MT 59068 · Carbon County

Stillwater Billings Clinic

Critical Access Hospitals · Columbus, MT
OwnershipVoluntary non-profit - Private
CMS Certification Number271330
Location710 N 11th StColumbus, MT 59019 · Stillwater County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59101 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
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
Most-billed visit code 99213
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.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

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.

AMANDA NEWBERN LANGVE PT
Physical Therapist
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
KIRK KENFIELD PA
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
ELIZABETH V CONNOR MD
Obstetrics & Gynecology (Gynecologic Oncology)
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-5000
ALEXANDER RAMSEY PA-C
Physician Assistant
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
BILLINGS CLINIC
Occupational Therapist
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
JERALD A. BELL MD
Ophthalmology
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2501
MELANIE SCHMITZ PA-C
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
AARON JAMES AUDET M.D.
Family Medicine
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500

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 Nathaniel Rieb's NPI number?

The NPI number for Nathaniel Rieb is 1508068834. It was assigned to this individual provider in the NPPES registry on May 31, 2007.

Where is Nathaniel Rieb located?

Nathaniel Rieb practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-2500.

What is Nathaniel Rieb's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Nathaniel Rieb enrolled in Medicare?

Yes. Nathaniel Rieb 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 Nathaniel Rieb accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, Providence Health Plan and UnitedHealthcare list Nathaniel Rieb 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 Nathaniel Rieb affiliated with any hospitals?

According to CMS data, Nathaniel Rieb is affiliated with Billings Clinic, Beartooth Billings Clinic and Stillwater Billings Clinic.

When was this NPI record last updated?

The NPPES record for Nathaniel Rieb was last updated on December 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.