DR. NADIA BOULGHASSOUL-PIETRZYKOWSKA M.D.
NPI 1346401528
Hospitalist in Barron, WI

Active since June 20, 2008PECOS EnrolledAccepts Medicare Assignment
1222 E WOODLAND AVE, BARRON, WI 54812(715) 537-3166 Get Directions Write a Review

NPPES record last updated: December 17, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 17, 2024, Sep 21, 2021 (2 updates tracked since 2021).

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

NPI1346401528
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. NADIA BOULGHASSOUL-PIETRZYKOWSKACredential: M.D.
Location Address1222 E WOODLAND AVEBarron, WI 54812-1765
Mailing Address200 1st St SwRochester, MN 55905-0002 · (715) 838-5222
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateJune 20, 2008
Last NPPES UpdateDecember 17, 20242 updates tracked since enumeration
NPPES CertifiedDecember 17, 2024
✔ NPI 1346401528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in WI · 20828✔ Licensed in GU · MC-261
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 25MA08970300 (NJ)
Also ListedInternal Medicine · Obesity MedicineTaxonomy 207RB0002X · License 25MA08970300 (NJ)
1222 E WOODLAND AVE, Barron, WI 54812

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.

PECOS PAC ID8224296157
PECOS Enrollment IDI20231206000639
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 Boulghassoul-pietrzykowska reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Access
1222 E WOODLAND AVE
Barron, WI 54812
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1700837812 (Wisconsin), NPI 1154372944 (Wisconsin)
  • 501 clinicians in this Medicare group
Rural Health
107 H STREET EAST
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
Internal Medicine
2525 E CAMELBACK RD, #1100
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 240 clinicians in this Medicare group
Clinic/Center
133 ROUTE 3
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.

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.
36 services36 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
28 services26 patients

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, MT
OwnershipGovernment - Federal
CMS Certification Number271339
Location1010 South 7650 East, Post Office Box 9Crow Agency, MT 59022 · Big Horn County
Emergency services

Physician 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.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

Physical Therapist
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812
Physical Therapist
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812
Orthopaedic Surgery
1222 E WOODLAND AVE
BARRON, WI 54812
Physical Therapist
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812

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.