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DR. WILLIAM J. ALLEN JR. M.D.
NPI 1932409133
Pediatrics in Bozeman, MT

Active since October 22, 2010PECOS Enrolled
875 S COTTONWOOD RD STE 300, BOZEMAN, MT 59718(406) 414-4100 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 21, 2026, Jul 22, 2021 (2 updates tracked since 2021).

About Dr. William J. Allen Jr. M.d. NPPES

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

DR. WILLIAM J. ALLEN JR. M.D. (NPI 1932409133) is an individual pediatrics provider in Bozeman, Montana, licensed in Montana (MED-PHYS-LIC-28240) and active in the NPI registry since October 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932409133
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. WILLIAM J. ALLEN JR.Credential: M.D.
Location Address875 S COTTONWOOD RD STE 300Bozeman, MT 59718-4221
Mailing Address915 Highland BlvdBozeman, MT 59715-6902 · (406) 414-1720 · Fax (406) 414-1071
Phone(406) 414-4100
Sole ProprietorNo
Enumeration DateOctober 22, 2010
Last NPPES UpdateJanuary 21, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2026
✔ NPI 1932409133 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in MT · MED-PHYS-LIC-28240✔ Licensed in KY · 43930
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
875 S COTTONWOOD RD STE 300, Bozeman, MT 59718
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Other Identifiers 1

Medicaid1932409133MT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, CareSource, Mountain Health CO-OP 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 (PECOS)

Dr. William J. Allen Jr. M.d. 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 59718 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.

Other Providers at the Same Location NPPES 7

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

BOZEMAN HEALTH DEACONESS HOSPITAL
Family Medicine
875 S COTTONWOOD RD STE 300
BOZEMAN, MT 59718
Gallatin County (406) 414-4100
EILEEN RALICKE NP-C
Nurse Practitioner
875 S COTTONWOOD RD STE 300
BOZEMAN, MT 59718
Gallatin County (406) 414-4100
JOSEPH J SOFIANEK MD
Family Medicine
875 S COTTONWOOD RD STE 300
BOZEMAN, MT 59718
Gallatin County (406) 414-4100
ANGELA MARIE WATSCHKE DPT
Physical Therapist
875 S COTTONWOOD RD STE 300
BOZEMAN, MT 59718
Gallatin County (406) 414-4100
CHRISTINA M JAMIESON PA-C
Physician Assistant (Medical)
875 S COTTONWOOD RD STE 300
BOZEMAN, MT 59718
Gallatin County (406) 414-5336
DR. KRISTEN E DAY M.D.
Pediatrics
875 S COTTONWOOD RD STE 300
BOZEMAN, MT 59718
Gallatin County (406) 414-4100
DR. ZACHARY S MEYERS MD
Family Medicine
875 S COTTONWOOD RD STE 300
BOZEMAN, MT 59718
Gallatin County (406) 414-4100

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 William Allen's NPI number?

The NPI number for William Allen is 1932409133. It was assigned to this individual provider in the NPPES registry on October 22, 2010.

Where is William Allen located?

William Allen practices at 875 S Cottonwood Rd Ste 300, Bozeman, MT 59718. The listed phone number is (406) 414-4100.

What is William Allen's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is William Allen enrolled in Medicare?

Yes. William Allen is registered in the Medicare PECOS enrollment system.

What insurance does William Allen accept?

Health plans from Blue Cross and Blue Shield of Montana, CareSource, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list William Allen 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 William Allen was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.