JOHN R. GREGORY MD
NPI 1861504847
Surgery in Billings, MT

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
94.3/100
CMS Quality Rating
801 N 29TH ST, BILLINGS, MT 59101(406) 238-2500 Get Directions Write a Review

NPPES record last updated: February 10, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John R. Gregory Md NPPES

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

JOHN R. GREGORY MD (NPI 1861504847) is an individual surgery provider in Billings, Montana, licensed in Montana (4284) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of University Of Colorado School Of Medicine, Denver (1975).

NPPES Registry Identity

NPI1861504847
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameJOHN R. GREGORYCredential: MD
Location Address801 N 29TH STBillings, MT 59101-0905
Mailing AddressPo Box 35100Billings, MT 59107-5100 · (406) 238-2500
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 1975
Enumeration DateAugust 31, 2006
Last NPPES UpdateFebruary 10, 2022
NPPES CertifiedFebruary 10, 2022
NPI 1861504847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in MT · 4284
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

Other Identifiers 2

Other0109446MT · Mdcd Pin
Other000017290MT · Bcbs Pin

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

John R. Gregory Md 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 ID6709921455
PECOS Enrollment IDI20100304001043, I20181026001819
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 5

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.

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.
29 services25 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.
20 services18 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.
19 services19 patients
Fusion of lower spine bone through abdomen with partial removal of disc 22558
This procedure involves merging the bones in your lower spine through an abdominal approach. A portion of the disc, which acts like a cushion between your vertebrae, is partially removed. The goal is to alleviate back pain by limiting movement in the problem area of your spine.
16 services16 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

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.

94.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.58
Promoting Interoperability100
Improvement Activities40

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.

Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
4 suppliers16 claims615 services$8.05 avg. paid by Medicare
Enteral nutrition infusion pump, any type B9002
Other-Enteral and Parenteral · category OB005N
1 supplier23 claims23 services$80.25 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.

Physical Therapist
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Obstetrics & Gynecology (Gynecologic Oncology)
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant
801 N 29TH ST
BILLINGS, MT 59101
Occupational Therapist
801 N 29TH ST
BILLINGS, MT 59101
Ophthalmology
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Family Medicine
801 N 29TH ST
BILLINGS, MT 59101

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 John Gregory's NPI number?

The NPI number for John Gregory is 1861504847. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is John Gregory located?

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

What is John Gregory's specialty?

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

Is John Gregory enrolled in Medicare?

Yes. John Gregory 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 John Gregory accept?

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

According to CMS data, John Gregory is affiliated with Billings Clinic.

When was this NPI record last updated?

The NPPES record for John Gregory was last updated on February 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.