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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

LIBBY A LAKE MD
NPI 1932194750
Family Medicine in Great Falls, MT

Active since September 19, 2005PECOS EnrolledAccepts Medicare Assignment
87.26/100
CMS Quality Rating
1400 29TH ST S, GREAT FALLS, MT 59405(406) 454-2171(406) 771-3021 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Libby A Lake Md NPPES

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

LIBBY A LAKE MD (NPI 1932194750) is an individual family medicine provider in Great Falls, Montana, licensed in Montana (10625) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, is affiliated with Benefis Hospitals Inc, and is a graduate of University Of Arizona College Of Medicine (1996).

NPPES Registry Identity

NPI1932194750
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameLIBBY A LAKECredential: MD
Location Address1400 29TH ST SGreat Falls, MT 59405-5353
Mailing Address1400 29th St SGreat Falls, MT 59405-5353 · (406) 454-2171 · Fax (406) 771-3021
Phone(406) 454-2171
Fax(406) 771-3021
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 1996
Enumeration DateSeptember 19, 2005
Last NPPES UpdateJune 30, 2026
NPPES CertifiedJune 30, 2026
✔ NPI 1932194750 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MT · 10625
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedClinic/Center · Primary CareTaxonomy 261QP2300X
1400 29TH ST S, Great Falls, MT 59405
Open in Google Maps ↗

Other Identifiers 1

Medicaid0141453MT

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

Libby A Lake 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 ID2163463787
PECOS Enrollment IDI20050513000319
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 9

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 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.
746 services538 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.
242 services195 patients
Administration and interpretation of patient-focused health risk assessment 96160
This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.
211 services169 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
192 services192 patients
Transitional care management services for problem of at least moderate complexity 99495
Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.
43 services37 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
24 services24 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

Central Montana Medical Center

Critical Access Hospitals · Lewistown, MT
OwnershipVoluntary non-profit - Private
CMS Certification Number271345
Location408 Wendell AveLewistown, MT 59457 · Fergus 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
$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.

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.

87.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.97
Promoting Interoperability85.91
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 22

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
12 suppliers118 claims242 services$5.96 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
10 suppliers45 claims48 services$1.00 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
4 suppliers23 claims23 services$38.08 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
6 suppliers22 claims22 services$95.30 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
5 suppliers19 claims40 services$33.91 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
3 suppliers18 claims103 services$17.01 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.

NANCY J MAYNARD MD
Pediatrics
1400 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 454-2171
RAYMOND A GEYER DO
Internal Medicine (Infectious Disease)
1400 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 454-2171
JERROLD M EICHNER MD
Pediatrics (Pediatric Pulmonology)
1400 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 454-2171
JAMES H ASTHALTER DO
Family Medicine
1400 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 454-2171
MALINDA A PIKE MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1400 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 454-2171
TONY J LENZ MD
Internal Medicine
1400 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 454-2171
FREDERICK G MILLER JR. DO
Internal Medicine
1400 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 454-2171
THOMAS G TRIEHY DO
Family Medicine
1400 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 454-2171

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 Libby Lake's NPI number?

The NPI number for Libby Lake is 1932194750. It was assigned to this individual provider in the NPPES registry on September 19, 2005.

Where is Libby Lake located?

Libby Lake practices at 1400 29th St S, Great Falls, MT 59405. The listed phone number is (406) 454-2171.

What is Libby Lake's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Libby Lake enrolled in Medicare?

Yes. Libby Lake 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 Libby Lake accept?

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

According to CMS data, Libby Lake is affiliated with Benefis Hospitals Inc, Great Falls Clinic Hospital, Central Montana Medical Center and Northern Montana Hospital.

When was this NPI record last updated?

The NPPES record for Libby Lake was last updated on June 30, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.