Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

William Hertz, FNP-C

Individual provider Nurse Practitioner · NPI 1457138166

William Hertz, FNP-C is a Nurse Practitioner in Bismarck, North Dakota. Qualified in 2023, 3 years ago. Practices with Sanford Bismarck, a 561-clinician group and accepts Medicare assignment. Licensed in North Dakota.

Years since qualifying
3
Licensed in
ND
In the registry since
2023
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

222 N 7th St
Bismarck, ND 58501-4436
Phone: (701) 323-5422
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence R46000 (ND)

Record details

NPI number1457138166
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedSeptember 14, 2023
Last updated in NPPESDecember 12, 2023
Certification dateDecember 12, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Sanford Bismarck — 561 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Bismarck