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SEAN DALE MCNALL
NPI 1972191997
Internal Medicine in Billings, MT

Active since January 05, 2021PECOS Enrolled
801 N 29TH ST, BILLINGS, MT 59101(406) 690-2984 Get Directions Write a Review

NPPES record last updated: June 4, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 4, 2026, Apr 27, 2026, Mar 27, 2023 and 1 more (4 updates tracked since 2021).

About Sean Dale Mcnall NPPES

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

SEAN DALE MCNALL (NPI 1972191997) is an individual internal medicine provider in Billings, Montana, licensed in Montana (MED-PHYS-LIC-169874) and active in the NPI registry since January 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972191997
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSEAN DALE MCNALL
Location Address801 N 29TH STBillings, MT 59101-0905
Mailing AddressPo Box 35100Billings, MT 59107-5100 · (406) 690-2984
Phone(406) 690-2984
Sole ProprietorNo
Enumeration DateJanuary 5, 2021
Last NPPES UpdateJune 4, 20264 updates tracked since enumeration
NPPES CertifiedJune 4, 2026
✔ NPI 1972191997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MT · MED-PHYS-LIC-169874
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License MED-PHYS-LIC-169874 (MT)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
801 N 29TH ST, Billings, MT 59101
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sean Dale Mcnall 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 59101 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.

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.

AMANDA NEWBERN LANGVE PT
Physical Therapist
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
KIRK KENFIELD PA
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
ELIZABETH V CONNOR MD
Obstetrics & Gynecology (Gynecologic Oncology)
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-5000
ALEXANDER RAMSEY PA-C
Physician Assistant
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
BILLINGS CLINIC
Occupational Therapist
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
JERALD A. BELL MD
Ophthalmology
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2501
MELANIE SCHMITZ PA-C
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
AARON JAMES AUDET M.D.
Family Medicine
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500

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 Sean Mcnall's NPI number?

The NPI number for Sean Mcnall is 1972191997. It was assigned to this individual provider in the NPPES registry on January 5, 2021.

Where is Sean Mcnall located?

Sean Mcnall practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 690-2984.

What is Sean Mcnall's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sean Mcnall enrolled in Medicare?

Yes. Sean Mcnall is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sean Mcnall was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.