DR. NADIA BOULGHASSOUL-PIETRZYKOWSKA M.D.
NPI 1346401528
Hospitalist in Barron, WI
About Dr. Nadia Boulghassoul-pietrzykowska M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NADIA BOULGHASSOUL-PIETRZYKOWSKA M.D. (NPI 1346401528) is an individual hospitalist provider in Barron, Wisconsin, licensed in Wisconsin (20828) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with P H S Indian Hospital Crow / Northern Cheyenne, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 3
Accepted 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
Dr. Nadia Boulghassoul-pietrzykowska 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.
Medicare Billing Reassignments
4Medicare enrollment records show Nadia Boulghassoul-pietrzykowska reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Barron, WI 54812
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1700837812 (Wisconsin), NPI 1154372944 (Wisconsin)
- 501 clinicians in this Medicare group
Poplar, MT 59255
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Health Dept Of Health & Human Services
- 306 clinicians in this Medicare group
Phoenix, AZ 85016
- Reassigned Medicare billing, Arizona enrollment
- 240 clinicians in this Medicare group
Dededo, GU 96929
- Reassigned Medicare billing, Guam enrollment
- 432 clinicians in this Medicare group
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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
P H S Indian Hospital Crow / Northern Cheyenne
Critical Access Hospitals · Crow Agency, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54812 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Boulghassoul-pietrzykowska's NPI number?
The NPI number for Nadia Boulghassoul-pietrzykowska is 1346401528. It was assigned to this individual provider in the NPPES registry on June 20, 2008.
Where is Nadia Boulghassoul-pietrzykowska located?
Nadia Boulghassoul-pietrzykowska practices at 1222 E Woodland Ave, Barron, WI 54812. The listed phone number is (715) 537-3166.
What is Nadia Boulghassoul-pietrzykowska's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Nadia Boulghassoul-pietrzykowska enrolled in Medicare?
Yes. Nadia Boulghassoul-pietrzykowska 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 Boulghassoul-pietrzykowska's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nadia Boulghassoul-pietrzykowska reassigns Medicare benefits to 4 organizations: Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Barron, WI), Us Health Dept Of Health & Human Services (Poplar, MT), Apogee Medical Group Inc (Phoenix, AZ) and Guam Healthcare Development Incorporated (Dededo, GU). 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 Boulghassoul-pietrzykowska's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nadia Boulghassoul-pietrzykowska accept?
Health plans from Cigna HealthCare of Arizona, Inc list Nadia Boulghassoul-pietrzykowska 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 Boulghassoul-pietrzykowska affiliated with any hospitals?
According to CMS data, Nadia Boulghassoul-pietrzykowska is affiliated with P H S Indian Hospital Crow / Northern Cheyenne.
When was this NPI record last updated?
The NPPES record for Nadia Boulghassoul-pietrzykowska was last updated on December 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.