1. Home
  2. Directory
  3. Montana
  4. Great Falls
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN T MOLLOY MD
NPI 1609877471
Internal Medicine - Geriatric Medicine in Great Falls, MT

Active since August 03, 2005PECOS Enrolled
87.26/100
CMS Quality Rating
3000 15TH AVENUE SOUTH, GREAT FALLS, MT 59405(406) 454-2171(406) 771-3021 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John T Molloy Md NPPES

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

JOHN T MOLLOY MD (NPI 1609877471) is an individual geriatric medicine provider in Great Falls, Montana, licensed in Montana (3986) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609877471
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameJOHN T MOLLOYCredential: MD
Location Address3000 15TH AVENUE SOUTHGreat Falls, MT 59405
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
Enumeration DateAugust 3, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1609877471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in MT · 3986
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
3000 15TH AVENUE SOUTH, Great Falls, MT 59405
Open in Google Maps ↗

Other Identifiers 1

Medicaid0073398MT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John T Molloy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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
$172.26 typical visit price
range $56.81 – $172.26
Typical copayment $43.06 (range $14.20 – $43.06)
Most-billed visit code 99205
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

Other Providers at the Same Location NPPES 3

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

GREGG D PIKE MD
Orthopaedic Surgery
3000 15TH AVENUE SOUTH
GREAT FALLS, MT 59405
Cascade County (406) 454-2171
JULIE JOAN BLISS MPT
Physical Therapist
3000 15TH AVENUE SOUTH
GREAT FALLS, MT 59405
Cascade County (406) 454-2171
KARL A GUTER MD
Internal Medicine (Hematology & Oncology)
3000 15TH AVENUE SOUTH
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 John Molloy's NPI number?

The NPI number for John Molloy is 1609877471. It was assigned to this individual provider in the NPPES registry on August 3, 2005.

Where is John Molloy located?

John Molloy practices at 3000 15th Avenue South, Great Falls, MT 59405. The listed phone number is (406) 454-2171.

What is John Molloy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is John Molloy enrolled in Medicare?

Yes. John Molloy is registered in the Medicare PECOS enrollment system.

What insurance does John Molloy accept?

Health plans from Providence Health Plan list John Molloy 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.

When was this NPI record last updated?

The NPPES record for John Molloy was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.