GLENN A WINSLOW MD
NPI 1255332102
Surgery in Great Falls, MT

Q: What is Glenn Winslow's NPI number?

The NPI number for Glenn Winslow is 1255332102. It was assigned to this individual provider in the NPPES registry on August 2, 2005.

Q: What is Glenn Winslow's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Glenn Winslow was last updated on May 21, 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.

Active since August 02, 2005PECOS EnrolledAccepts Medicare Assignment

88.15/100

CMS Quality Rating

400 13TH AVE S STE 102, GREAT FALLS, MT 59405(406) 454-2171(406) 771-3021 Get Directions Write a Review

NPPES record last updated: May 21, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Glenn A Winslow Md NPPES

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

GLENN A WINSLOW MD (NPI 1255332102) is an individual surgery provider in Great Falls, Montana, licensed in Montana (8297) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Benefis Hospitals Inc, and is a graduate of Southern Illinois University School Of Medicine (1991).

NPPES Registry Identity

NPI1255332102

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameGLENN A WINSLOWCredential: MD

Location Address400 13TH AVE S STE 102Great Falls, MT 59405-4300

Mailing AddressPo Box 6010Great Falls, MT 59406-6010 · (406) 731-8888 · Fax (406) 731-8318

Phone(406) 454-2171

Fax(406) 771-3021

Sole ProprietorNo

Medical School CMSSouthern Illinois University School Of MedicineGraduated 1991

Enumeration DateAugust 2, 2005

Last NPPES UpdateMay 21, 2024

NPPES CertifiedMay 21, 2024

✔ NPI 1255332102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in MT · 8297

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.

400 13TH AVE S STE 102, Great Falls, MT 59405

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Other Identifiers 1

Medicaid0101252MT

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Glenn A Winslow 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 ID4082629324

PECOS Enrollment IDI20100301000737

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.

Medicare Billing Reassignment

Medicare enrollment records show Glenn Winslow reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Benefis Hospitals Inc

1.7 mi

Multi-Specialty

1401 25TH ST S
Great Falls, MT 59405

Reassigned Medicare billing, Montana enrollment
637 clinicians in this Medicare group

NPI 1780968974 (406) 455-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

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.

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.

79 services79 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

51 services34 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.

40 services36 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

39 services33 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

34 services34 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.

34 services34 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.

33 services27 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.

28 services25 patients

Removal of gallbladder with x-ray study of bile ducts using an endoscope 47563

This procedure, known as an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible camera (endoscope) to examine your bile ducts. If gallstones are found, your gallbladder may be removed in a separate procedure. This helps prevent future complications.

24 services24 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.

18 services18 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.

18 services18 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.

14 services14 patients

Biopsy or removal of deep lymph nodes of underarm 38525

A biopsy or removal of deep underarm lymph nodes is a procedure where a small sample of lymph node tissue is taken for testing. This helps in diagnosing or ruling out conditions like infections or cancers. It involves a small incision and is typically done under local or general anesthesia.

12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Benefis Hospitals Inc

Acute Care Hospitals · Great Falls, MT

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270012

Location1101 26th St SGreat Falls, MT 59405 · Cascade County

Emergency services Birthing friendly

Great Falls Clinic Hospital

Acute Care Hospitals · Great Falls, MT

5/5 CMS rating

OwnershipProprietary

CMS Certification Number270086

Location3010 15th Avenue SouthGreat Falls, MT 59405 · Cascade County

Emergency services

Benefis Teton Medical Center

Critical Access Hospitals · Choteau, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271307

Location915 4th St NWChoteau, MT 59422 · Teton County

Emergency services

Northern Montana Hospital

Critical Access Hospitals · Havre, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271348

Location30 13th StHavre, MT 59501 · Hill County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59405 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.

88.15/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

95.46

Improvement Activities

Cost

66.58

Referred Medical Equipment & Supplies CMS DME claims 5

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

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385

DME-Orthotic Devices · category DF010N

2 suppliers20 claims362 services$4.92 avg. paid by Medicare

Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394

DME-Orthotic Devices · category DF010N

2 suppliers13 claims174 services$2.49 avg. paid by Medicare

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

2 suppliers14 claims280 services$7.85 avg. paid by Medicare

Ostomy pouch, closed; for use on barrier with non-locking flange, with filter (2 piece), each A4419

DME-Orthotic Devices · category DF010N

2 suppliers18 claims1,560 services$1.59 avg. paid by Medicare

Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each A4425

DME-Orthotic Devices · category DF010N

2 suppliers12 claims240 services$3.40 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 6

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

KRISTIN BYKONEN RDN

Dietitian, Registered (Nutrition, Obesity and Weight Management)