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HOLLY C. STRONG M.D.
NPI 1548310998
Internal Medicine - Critical Care Medicine in Great Falls, MT

Active since January 10, 2007PECOS EnrolledAccepts Medicare Assignment
80.46/100
CMS Quality Rating
401 15TH AVE S STE 202, GREAT FALLS, MT 59405(406) 453-4126(406) 453-4129 Get Directions Write a Review

NPPES record last updated: April 8, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Holly C. Strong M.d. NPPES

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

HOLLY C. STRONG M.D. (NPI 1548310998) is an individual critical care medicine provider in Great Falls, Montana, licensed in Montana (7405) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Benefis Hospitals Inc, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1548310998
Entity TypeIndividualFemale
Primary Taxonomy207RC0200X
Provider Legal NameHOLLY C. STRONGCredential: M.D.
Location Address401 15TH AVE S STE 202Great Falls, MT 59405-4334
Mailing Address401 15th Ave S Ste 202Great Falls, MT 59405-4334 · (406) 453-4126 · Fax (406) 453-4129
Phone(406) 453-4126
Fax(406) 453-4129
Sole ProprietorYes
Medical School CMSOtherGraduated 1985
Enumeration DateJanuary 10, 2007
Last NPPES UpdateApril 8, 2024
NPPES CertifiedApril 8, 2024
✔ NPI 1548310998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in MT · 7405
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 7405 (MT)
401 15TH AVE S STE 202, Great Falls, MT 59405
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Other Identifiers 1

Medicaid1548310998MT

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

Holly C. Strong M.d. 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 ID8426954892
PECOS Enrollment IDI20031208001078
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 Holly Strong 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 7

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
160 services72 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.
85 services48 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.
44 services27 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.
38 services25 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.
25 services25 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
19 services19 patients

Hospital Affiliations CMS Care Compare

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

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
$130.52 typical visit price
range $56.81 – $172.26
Typical copayment $32.63 (range $14.20 – $43.06)
Most-billed visit code 99204
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.

80.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.1
Promoting Interoperability75
Improvement Activities40
Cost62.61

Referred Medical Equipment & Supplies CMS DME claims 4

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers13 claims13 services$12.61 avg. paid by Medicare
Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443
DME-Oxygen and Supplies · category DC000N
1 supplier15 claims15 services$41.24 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
3 suppliers17 claims17 services$5.58 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers20 claims20 services$89.00 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 4

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

MS. ELIZABETH A OCONNOR FNP APRN MSN CCRN
Nurse Practitioner
401 15TH AVE S STE 202
GREAT FALLS, MT 59405
Cascade County (406) 952-1188
MEGAN BRITTNEY BRINKA DNP, FNP-C
Nurse Practitioner
401 15TH AVE S STE 202
GREAT FALLS, MT 59405
Cascade County (406) 952-1188
CENTRAL MONTANA HEART & VASCULAR INSTITUTE LLC
Clinic/Center
401 15TH AVE S STE 202
GREAT FALLS, MT 59405
Cascade County (434) 227-6959
ALRICH L GRAY M.D.
Internal Medicine (Cardiovascular Disease)
401 15TH AVE S STE 202
GREAT FALLS, MT 59405
Cascade County (406) 952-1188

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 Holly Strong's NPI number?

The NPI number for Holly Strong is 1548310998. It was assigned to this individual provider in the NPPES registry on January 10, 2007.

Where is Holly Strong located?

Holly Strong practices at 401 15th Ave S Ste 202, Great Falls, MT 59405. The listed phone number is (406) 453-4126.

What is Holly Strong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Holly Strong enrolled in Medicare?

Yes. Holly Strong 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 Holly Strong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Holly Strong reassigns Medicare benefits to Benefis Hospitals Inc (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 Holly Strong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Holly Strong accept?

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

According to CMS data, Holly Strong is affiliated with Benefis Hospitals Inc.

When was this NPI record last updated?

The NPPES record for Holly Strong was last updated on April 8, 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.