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NADIA VALESKA HALSTEAD MD, MPH
NPI 1235661869
Urology - Pediatric Urology in Bozeman, MT

Active since April 02, 2017PECOS EnrolledAccepts Medicare Assignment
937 HIGHLAND BLVD STE 5320, BOZEMAN, MT 59715(406) 414-4900 Get Directions Write a Review

NPPES record last updated: June 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 17, 2025, Apr 7, 2025, Aug 6, 2024 and 3 more (6 updates tracked since 2017).

About Nadia Valeska Halstead Md, Mph NPPES

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

NADIA VALESKA HALSTEAD MD, MPH (NPI 1235661869) is an individual pediatric urology provider in Bozeman, Montana, licensed in Montana (147823) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Seattle Children's Hospital, and maintains a secondary practice location in Kalispell.

NPPES Registry Identity

NPI1235661869
Entity TypeIndividualFemale
Primary Taxonomy2088P0231X
Provider Legal NameNADIA VALESKA HALSTEADCredential: MD, MPH
Location Address937 HIGHLAND BLVD STE 5320Bozeman, MT 59715-6916
Mailing Address915 Highland BlvdBozeman, MT 59715-6902 · (406) 414-5000
Phone(406) 414-4900
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 2, 2017
Last NPPES UpdateJune 17, 20256 updates tracked since enumeration
NPPES CertifiedJune 17, 2025
✔ NPI 1235661869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyUrology · Pediatric UrologyAllopathic & Osteopathic Physicians
Taxonomy Code2088P0231X
Licenses✔ Licensed in MT · 147823✔ Licensed in WA · MD61538659
Definition
Surgeons who can diagnose, treat, and manage children's urinary and genital problems. A pediatric urologist devotes a minimum of 50% of his or her practice to the urologic problems of infants, children, and adolescents. Pediatric urologists generally provide the following services: the evaluation and management of voiding disorders; vesicoureteral reflux, and urinary tract infections that require surgery; surgical reconstruction of the urinary tract (kidneys, ureters, and bladder) including genital abnormalities, hypospadias, and intersex conditions; surgery for groin conditions in childhood and adolescence (undescended testes, hydrocele/hernia, varicocele).
Also ListedPediatricsTaxonomy 208000000X · License MD61538659 (WA)
937 HIGHLAND BLVD STE 5320, Bozeman, MT 59715
Open in Google Maps ↗

Secondary Practice Location 1

Location 1350 Heritage Way Ste 2300Kalispell, MT 59901-3167 · Phone (406) 758-7490 · Fax (406) 758-7080

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Mountain Health CO-OP, PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska 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

Nadia Valeska Halstead Md, Mph 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 ID9234407883
PECOS Enrollment IDI20240822002997
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 Reassignments

4

Medicare enrollment records show Nadia Halstead reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bozeman Health Deaconess Hospital
0.1 mi
Emergency Medicine
915 HIGHLAND BLVD
Bozeman, MT 59715
  • Reassigned Medicare billing, Montana enrollment
  • 402 clinicians in this Medicare group
NPI 1437529112 (406) 414-5000
Kalispell Regional Medical Center Inc
203 mi
Family Medicine
106 RIDGEWATER DR STE A
Polson, MT 59860
  • Reassigned Medicare billing, Montana enrollment
  • 483 clinicians in this Medicare group
NPI 1528386802 (406) 883-3200
Association Of Chmc And University Physicians
400 mi
Pediatrics
969 STEVENS DR, SUITE 1B
Richland, WA 99352
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: The Association Of Chrmc And University Physicians
  • 1,443 clinicians in this Medicare group
NPI 1851680664 (509) 946-0976
The Association Of University Physicians
554 mi
Anesthesiology
701 5TH AVE, SUITE 700
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 4,364 clinicians in this Medicare group
NPI 1023041159 (206) 543-6420

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Seattle Children's Hospital

Childrens · Seattle, WA
OwnershipVoluntary non-profit - Private
CMS Certification Number503300
Location4800 Sand Point Way NE, PO Box C-5371Seattle, WA 98105 · King County
Emergency services

Other Providers at the Same Location NPPES 19

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

STEPHANIE RONA STARR M.D.
Pediatrics
937 HIGHLAND BLVD STE 5320
BOZEMAN, MT 59715
Gallatin County (406) 414-4900
STEVEN WEINDLING M.D.
Pediatrics (Pediatric Cardiology)
937 HIGHLAND BLVD STE 5320
BOZEMAN, MT 59715
Gallatin County (406) 414-4900
RACHEL RATCHFORD PA-C
Physician Assistant (Medical)
937 HIGHLAND BLVD STE 5320
BOZEMAN, MT 59715
Gallatin County (406) 414-4900
JOSEPH FOX M.D.
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
937 HIGHLAND BLVD STE 5320
BOZEMAN, MT 59715
Gallatin County (406) 414-5000
DR. LOUAY JOSEPH TONI MD
Pediatrics (Pediatric Cardiology)
937 HIGHLAND BLVD STE 5320
BOZEMAN, MT 59715
Gallatin County (406) 414-4900
PEPPER J KERR MD
Pediatrics
937 HIGHLAND BLVD STE 5320
BOZEMAN, MT 59715
Gallatin County (406) 414-4900
LYNNE A. FOSS PNP
Nurse Practitioner (Pediatrics)
937 HIGHLAND BLVD STE 5320
BOZEMAN, MT 59715
Gallatin County (406) 414-4900
DEBORAH CADES PA-C
Physician Assistant (Medical)
937 HIGHLAND BLVD STE 5320
BOZEMAN, MT 59715
Gallatin County (406) 414-4900

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 Nadia Halstead's NPI number?

The NPI number for Nadia Halstead is 1235661869. It was assigned to this individual provider in the NPPES registry on April 2, 2017.

Where is Nadia Halstead located?

Nadia Halstead practices at 937 Highland Blvd Ste 5320, Bozeman, MT 59715. The listed phone number is (406) 414-4900.

What is Nadia Halstead's specialty?

The primary specialty registered for this NPI is Urology, specializing in Pediatric Urology, with taxonomy code 2088P0231X.

Is Nadia Halstead enrolled in Medicare?

Yes. Nadia Halstead 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 organizations bill Medicare for Nadia Halstead's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nadia Halstead reassigns Medicare benefits to 4 organizations: Bozeman Health Deaconess Hospital (Bozeman, MT), Kalispell Regional Medical Center Inc (Polson, MT), Association Of Chmc And University Physicians (Richland, WA) and The Association Of University Physicians (Seattle, WA). Each 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 Nadia Halstead's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nadia Halstead accept?

Health plans from Mountain Health CO-OP, PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Nadia Halstead 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 Nadia Halstead affiliated with any hospitals?

According to CMS data, Nadia Halstead is affiliated with Seattle Children's Hospital.

When was this NPI record last updated?

The NPPES record for Nadia Halstead was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.