Stephen Hartzell, APRN
- Part D claims, 2024
- 40
- Hospital affiliations
- 2
- Industry payments
- $1,669
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 1323 West 6th Street, Stillwater, OK 74076
- Practice phone
- Call (405) 372-1480
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Stephen Hartzell'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.
Stephen Hartzell is a family nurse practitioner in Stillwater, Oklahoma
Stephen Hartzell practices at Stillwater Medical Center in Stillwater, Oklahoma, part of City of Stillwater, Oklahoma.
Stephen Hartzell's NPI, 1639805088, was assigned on July 28, 2022. Stephen Hartzell holds Oklahoma license 209492.
- NPI
- 1639805088NPI Registry (opens in a new tab)
- NPI enumeration date
- July 28, 2022
- NPI status
- Active
- Practice phone
- (405) 372-1480
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Stephen Hartzell practices at Stillwater Medical Center in Stillwater, Oklahoma
Stephen Hartzell's primary practice is Stillwater Medical Center, at 1323 West 6th Street, Stillwater, OK 74076 in Payne County. The practice phone is (405) 372-1480.
- Stillwater Medical Center1323 West 6th Street, Stillwater, OK 74076 · Payne CountyPhone(405) 372-1480
Source: Dmand AI Affiliation Data
Stephen Hartzell is affiliated with 2 sites of care
Stephen Hartzell's primary practice is Stillwater Medical Center in Stillwater, Oklahoma, part of City of Stillwater, Oklahoma. Dmand AI also links Stephen Hartzell to 1 hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Stephen Hartzell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephen Hartzell practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stillwater Medical Center | Available with a free account |
| +1 more affiliated site | 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 City of Stillwater, Oklahoma and 6.2K+ hospitals, with verified contacts in the same login.
Stephen Hartzell is one of 2,246 family nurse practitioners in Oklahoma
Family is Stephen Hartzell's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Stephen Hartzell is licensed in Oklahoma.
Specialties and state licenses
- Family nurse practitioner, OklahomaPrimary
Family nurse practitioners near Stephen Hartzell
Counts of family 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
Stephen Hartzell's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Stephen Hartzell's median patient age at 56, with 33% women.
Stephen Hartzell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Stephen Hartzell wrote 40 Medicare Part D claims in 2024
In 2024, Stephen Hartzell wrote 40 Medicare Part D claims for 20 patients. 88% of them were for generic drugs.
Stephen Hartzell's Part D claims by kind of drug, 2024
- Generic35 claims88%
- Brand-name and other5 claims13%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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.
Stephen Hartzell received $1,669 in industry payments in 2025
CMS Open Payments shows 1 general payment to Stephen Hartzell from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Lumenis BE inc paid the most, $1,669.
Companies that paid Stephen Hartzell 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 Stephen Hartzell'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Stephen Hartzell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephen Hartzell's NPI number?
Stephen Hartzell's NPI number is 1639805088. It was assigned on July 28, 2022, and it is active in the NPI Registry.
What does Stephen Hartzell specialize in?
Stephen Hartzell is a family nurse practitioner in Stillwater, Oklahoma. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Stephen Hartzell practice?
Stephen Hartzell practices at 1323 West 6th Street, Stillwater, OK 74076. Stephen Hartzell's primary practice is Stillwater Medical Center in Stillwater, Oklahoma, part of City of Stillwater, Oklahoma. Dmand AI also links Stephen Hartzell to 1 hospital.
What is Stephen Hartzell's office phone number?
The practice phone on file for Stephen Hartzell is (405) 372-1480.
What is Stephen Hartzell's medical license number?
Stephen Hartzell holds Oklahoma license 209492.
Which hospitals is Stephen Hartzell affiliated with?
Stephen Hartzell practices at Stillwater Medical Center in Stillwater, Oklahoma. Dmand AI links Stephen Hartzell to 1 more hospital.
Has Stephen Hartzell received payments from drug or device companies?
CMS Open Payments shows $1,669 in general payments to Stephen Hartzell from 1 company from 2025 to 2025. The largest total came from Lumenis BE inc.
How long has Stephen Hartzell been practicing?
Stephen Hartzell's NPI was assigned in 2022.
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