Dianne L. Hartwig, CRNP
- Medicare patients, 2024
- 154
- Part D claims, 2024
- 2,556
- Hospital affiliations
- 1
- Industry payments
- $182
- Medical groups
- 3
- Practice address
- 101 Sivley Rd, Huntsville, AL 35801
- Practice phone
- Call (256) 265-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dianne Hartwig'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.
Dianne L. Hartwig is a family nurse practitioner in Huntsville, Alabama
Dianne Hartwig practices at Huntsville Hospital in Huntsville, Alabama, part of City of Huntsville, AL.
Dianne Hartwig's NPI, 1104022946, was assigned on June 26, 2007. Dianne Hartwig holds Alabama license 1-099703.
- NPI
- 1104022946NPI Registry (opens in a new tab)
- NPI enumeration date
- June 26, 2007
- NPI status
- Active
- Practice phone
- (256) 265-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dianne L. Hartwig practices at Huntsville Hospital in Huntsville, Alabama
Dianne Hartwig's primary practice is Huntsville Hospital, at 101 Sivley Rd, Huntsville, AL 35801 in Madison County. The practice phone is (256) 265-1000.
- Huntsville Hospital101 Sivley Rd, Huntsville, AL 35801 · Madison CountyPhone(256) 265-1000
Source: Dmand AI Affiliation Data
Dianne L. Hartwig is affiliated with 3 sites of care and 3 medical groups
Dianne Hartwig's primary practice is Huntsville Hospital in Huntsville, Alabama, part of City of Huntsville, AL. The medical group on file is Madison Primary Care. Dmand AI also links Dianne Hartwig to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dianne L. Hartwig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dianne Hartwig practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Huntsville Hospital | Available with a free account |
| +2 more sites and 2 medical groups | 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 Huntsville, AL and 6.2K+ hospitals, with verified contacts in the same login.
Dianne L. Hartwig is one of 3,658 family nurse practitioners in Alabama
Family is Dianne Hartwig's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dianne Hartwig is licensed in Alabama.
Specialties and state licenses
- Family nurse practitioner, AlabamaPrimary
Family nurse practitioners near Dianne Hartwig
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
Dianne L. Hartwig treated 154 Medicare patients in 2024, average age 73
CMS counts 154 Medicare patients who saw Dianne Hartwig in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dianne Hartwig's median patient age at 64, with 58% women.
Dianne Hartwig's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dianne Hartwig's Medicare patients by sex, 2024
- Women10065%
- Men5435%
Chronic conditions among Dianne Hartwig's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease36%
- Diabetes32%
- Chronic kidney disease27%
- Anxiety25%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dianne Hartwig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dianne L. Hartwig wrote 2,556 Medicare Part D claims in 2024
In 2024, Dianne Hartwig wrote 2,556 Medicare Part D claims for 292 patients. 86% of them were for generic drugs.
Dianne Hartwig's Part D claims by kind of drug, 2024
- Generic2,207 claims86%
- Brand-name and other349 claims14%
Drug classes CMS tracks in Dianne Hartwig's Part D claims, 2024
- Antibiotics2%46 of 2,556 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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.
Dianne L. Hartwig received $182 in industry payments in 2025
CMS Open Payments shows 7 general payments to Dianne Hartwig from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $64.
Companies that paid Dianne Hartwig 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 Dianne L. Hartwig'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 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) |
| 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 Dianne L. Hartwig
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dianne L. Hartwig's NPI number?
Dianne L. Hartwig's NPI number is 1104022946. It was assigned on June 26, 2007, and it is active in the NPI Registry.
What does Dianne L. Hartwig specialize in?
Dianne L. Hartwig is a family nurse practitioner in Huntsville, Alabama. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Dianne L. Hartwig practice?
Dianne Hartwig practices at 101 Sivley Rd, Huntsville, AL 35801. Dianne Hartwig's primary practice is Huntsville Hospital in Huntsville, Alabama, part of City of Huntsville, AL. Dmand AI also links Dianne Hartwig to 2 group practices and clinics and 2 medical groups.
What is Dianne L. Hartwig's office phone number?
The practice phone on file for Dianne Hartwig is (256) 265-1000.
What is Dianne L. Hartwig's medical license number?
Dianne Hartwig holds Alabama license 1-099703.
Which hospitals is Dianne L. Hartwig affiliated with?
Dianne Hartwig practices at Huntsville Hospital in Huntsville, Alabama.
What medical group is Dianne L. Hartwig part of?
Dianne Hartwig is linked to Madison Primary Care. Dmand AI links Dianne Hartwig to 2 more medical groups.
How many Medicare patients does Dianne L. Hartwig see?
CMS counts 154 Medicare patients who saw Dianne Hartwig in 2024, with an average age of 73.
Has Dianne L. Hartwig received payments from drug or device companies?
CMS Open Payments shows $182 in general payments to Dianne Hartwig from 5 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dianne L. Hartwig been practicing?
Dianne Hartwig graduated from medical school in 2007, 19 years ago.
Selling to family practices?
See family nurse practitioners in Alabama 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