William Hertz, FNP-C
- Medicare patients, 2024
- 39
- Part D claims, 2024
- 853
- Hospital affiliations
- 5
- Industry payments
- $121
- Medical group
- 1
- Practice address
- 300 N 7th St, Bismarck, ND 58501
- Practice phone
- Call (701) 323-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sanford Medical Center - Bismarck
Bismarck, North Dakota
Find William Hertz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Hertz is a nurse practitioner in Bismarck, North Dakota
William Hertz practices at Sanford Medical Center - Bismarck in Bismarck, North Dakota.
William Hertz's NPI, 1457138166, was assigned on September 14, 2023. William Hertz holds North Dakota license R46000.
- NPI
- 1457138166NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153772017
- NPI enumeration date
- September 14, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (701) 323-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William Hertz practices at Sanford Medical Center - Bismarck in Bismarck, North Dakota
William Hertz's primary practice is Sanford Medical Center - Bismarck, at 300 N 7th St, Bismarck, ND 58501 in Burleigh County. The practice phone is (701) 323-6000.
- Sanford Medical Center - Bismarck300 N 7th St, Bismarck, ND 58501 · Burleigh CountyPhone(701) 323-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William Hertz is affiliated with 6 sites of care and 1 medical group
William Hertz's primary practice is Sanford Medical Center - Bismarck in Bismarck, North Dakota. William Hertz is also affiliated with Sanford Bismarck Medical Center. The medical group on file is Sanford Bismarck Medical Center. Dmand AI also links William Hertz to 4 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Hertz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Hertz practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sanford Medical Center - Bismarck | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
William Hertz is one of 355 nurse practitioners in North Dakota
Nurse practitioner is William Hertz's primary specialty in the NPI Registry, under taxonomy code 363L00000X. William Hertz is licensed in North Dakota.
Specialties and state licenses
- Nurse practitioner, North DakotaPrimary
Nurse practitioners near William Hertz
Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Hertz treated 39 Medicare patients in 2024, average age 78
CMS counts 39 Medicare patients who saw William Hertz in 2024. The largest group is 75 to 84, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.34, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts William Hertz's median patient age at 76, with 51% women.
William Hertz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Hertz's Medicare patients by sex, 2024
- Women2154%
- Men1846%
Chronic conditions among William Hertz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure72%
- Ischemic heart disease67%
- Atrial fibrillation62%
- Chronic kidney disease62%
- Diabetes38%
- Arthritis36%
Share of Medicare patients with each condition. A patient can have several.
William Hertz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Hertz wrote 853 Medicare Part D claims in 2024
In 2024, William Hertz wrote 853 Medicare Part D claims for 247 patients. 84% of them were for generic drugs.
William Hertz's Part D claims by kind of drug, 2024
- Generic720 claims84%
- Brand-name133 claims16%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How William Hertz takes part in Medicare
William Hertz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
William Hertz received $121 in industry payments in 2025
CMS Open Payments shows 6 general payments to William Hertz from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Actelion Pharmaceuticals US, Inc. paid the most, $29.
Companies that paid William Hertz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William Hertz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Hertz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Hertz's NPI number?
William Hertz's NPI number is 1457138166. It was assigned on September 14, 2023, and it is active in the NPI Registry.
What does William Hertz specialize in?
William Hertz is a nurse practitioner in Bismarck, North Dakota. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does William Hertz practice?
William Hertz practices at 300 N 7th St, Bismarck, ND 58501. William Hertz's primary practice is Sanford Medical Center - Bismarck in Bismarck, North Dakota. Dmand AI also links William Hertz to 4 hospitals.
What is William Hertz's office phone number?
The practice phone on file for William Hertz is (701) 323-6000.
What is William Hertz's medical license number?
William Hertz holds North Dakota license R46000.
Which hospitals is William Hertz affiliated with?
William Hertz is affiliated with Sanford Bismarck Medical Center. Dmand AI links William Hertz to 4 more hospitals.
What medical group is William Hertz part of?
William Hertz is linked to Sanford Bismarck Medical Center.
Does William Hertz accept Medicare?
Yes. CMS lists William Hertz as accepting Medicare assignment.
How many Medicare patients does William Hertz see?
CMS counts 39 Medicare patients who saw William Hertz in 2024, with an average age of 78.
Has William Hertz received payments from drug or device companies?
CMS Open Payments shows $121 in general payments to William Hertz from 6 companies from 2025 to 2025. The largest total came from Actelion Pharmaceuticals US, Inc.
How long has William Hertz been practicing?
William Hertz graduated from medical school in 2023, 3 years ago.
Selling to nurse practitioner practices?
See nurse practitioners in North Dakota by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card