LIBBY A LAKE MD
NPI 1932194750
Family Medicine in Great Falls, MT
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
Specialties & Licenses 2
Other Identifiers 1
Accepted 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
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.
Medicare Billing Reassignment
Medicare enrollment records show Libby Lake reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Great Falls, MT 59405
- Reassigned Medicare billing, Montana enrollment
- 119 clinicians in this Medicare group
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 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.
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, MTGreat Falls Clinic Hospital
Acute Care Hospitals · Great Falls, MTCentral Montana Medical Center
Critical Access Hospitals · Lewistown, MTNorthern Montana Hospital
Critical Access Hospitals · Havre, MTPhysician 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.
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.
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.
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.
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.
Which organization bills Medicare for Libby Lake's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Libby Lake reassigns Medicare benefits to Great Falls Clinic LLC (Great Falls, MT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Libby Lake's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Libby Lake accept?
Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP 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 July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Libby A Lake, MD · NPI 1932194750
Family Medicine physician in Great Falls, Montana. Individual provider, active in the CMS NPPES registry since September 19, 2005.
## Identity
- **NPI:** 1932194750 (Entity type: Individual)
- **Enumerated:** September 19, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 10625 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 29TH ST S, Great Falls, MT 59405-5353
- **Phone:** (406) 454-2171 · **Fax:** (406) 771-3021
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Great Falls Clinic LLC (NPI 1801897780, Great Falls, MT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arizona College Of Medicine, class of 1996
## Record status
- **NPPES last updated:** July 21, 2026
- **Other identifiers:** Medicaid 0141453 (MT)
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Source: [NPI Profile](https://npiprofile.com/npi/1932194750) · Data from the CMS NPPES public registry.