Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Nadia Boulghassoul-Pietrzykowska, M.D.
Hospitalist Physician in Barron, WI · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346401528
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Registry record
Entity type Individual (Type 1)
Name Dr. Nadia Boulghassoul-Pietrzykowska
Credential M.D.
Sex Female
Practice address 1222 E Woodland Ave, Barron, WI, 54812
Phone (715) 537-3166
Enumeration date Jun 20, 2008
Last updated in NPPES Dec 17, 2024
Taxonomy & licenses
207RB0002X Obesity Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 25MA08970300 (NJ) Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 25MA08970300 (NJ) Secondary
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License MC-261 (GU) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Nadia Boulghassoul-Pietrzykowska?
The National Provider Identifier (NPI) for Nadia Boulghassoul-Pietrzykowska is 1346401528, a Type 1 (individual) record in the CMS NPPES registry.
Where does Nadia Boulghassoul-Pietrzykowska practice?
The practice location on file with NPPES is in Barron, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Christa Mars Surgery Physician · Barron, WI NPI 1235139510 Eric Nuebel Physician Assistant · Barron, WI NPI 1154318616 Kathleen Nuebel Physician Assistant · Barron, WI NPI 1578550034 Curtis Ongstad Family Medicine Physician · Barron, WI NPI 1689656811 James Leavitt Orthopaedic Surgery Physician · Barron, WI NPI 1710967351 Thomas Stephens Physical Therapist · Barron, WI NPI 1891768081 Sarah Knepper Physical Therapist · Barron, WI NPI 1508839796 Karey Stevenson Occupational Therapist · Barron, WI NPI 1306819594
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-17.