Denise C. Tetzner, FNP-C
- Part D claims, 2024
- 568
- Industry payments
- $99
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 20930 Dupont Blvd, George Town, DE 19947
- Practice phone
- Call (302) 400-9999
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nutrihealth
George Town, Delaware
Find Denise Tetzner'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.
Denise C. Tetzner is a nurse practitioner in George Town, Delaware
Denise Tetzner practices at Nutrihealth in George Town, Delaware.
Denise Tetzner's NPI, 1265813794, was assigned on June 10, 2015. Denise Tetzner holds Delaware license LG0000798.
- NPI
- 1265813794NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133556236
- NPI enumeration date
- June 10, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 400-9999
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Denise C. Tetzner practices at Nutrihealth in George Town, Delaware
Denise Tetzner's primary practice is Nutrihealth, at 20930 Dupont Blvd, George Town, DE 19947 in Sussex County. The practice phone is (302) 400-9999.
- Nutrihealth20930 Dupont Blvd, George Town, DE 19947 · Sussex CountyPhone(302) 400-9999
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Denise C. Tetzner is affiliated with 2 sites of care and 1 medical group
Denise Tetzner's primary practice is Nutrihealth in George Town, Delaware. The medical group on file is NutriHealth Weight Loss Centers. Dmand AI also links Denise Tetzner to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Denise C. Tetzner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Denise Tetzner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nutrihealth | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Denise C. Tetzner is one of 389 nurse practitioners in Delaware
Nurse practitioner is Denise Tetzner's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Denise Tetzner is licensed in Delaware.
Specialties and state licenses
- Nurse practitioner, DelawarePrimary
Nurse practitioners near Denise Tetzner
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
Denise C. Tetzner's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Denise Tetzner's median patient age at 63, with 75% women.
Denise Tetzner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women75%
- Men24%
Source: Dmand AI Patient Panel Data
Denise C. Tetzner wrote 568 Medicare Part D claims in 2024
In 2024, Denise Tetzner wrote 568 Medicare Part D claims for 271 patients. 92% of them were for generic drugs.
Denise Tetzner's Part D claims by kind of drug, 2024
- Generic521 claims92%
- Brand-name47 claims8%
Drug classes CMS tracks in Denise Tetzner's Part D claims, 2024
- Antibiotics26%145 of 568 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
How Denise C. Tetzner takes part in Medicare
Denise Tetzner 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)
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Denise C. Tetzner received $99 in industry payments in 2025
CMS Open Payments shows 6 general payments to Denise Tetzner from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $56.
Companies that paid Denise Tetzner 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 Denise C. Tetzner'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 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) |
| 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 Denise C. Tetzner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Denise C. Tetzner's NPI number?
Denise C. Tetzner's NPI number is 1265813794. It was assigned on June 10, 2015, and it is active in the NPI Registry.
What does Denise C. Tetzner specialize in?
Denise C. Tetzner is a nurse practitioner in George Town, Delaware. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Denise C. Tetzner practice?
Denise Tetzner practices at 20930 Dupont Blvd, George Town, DE 19947. Denise Tetzner's primary practice is Nutrihealth in George Town, Delaware. Dmand AI also links Denise Tetzner to 1 group practice or clinic.
What is Denise C. Tetzner's office phone number?
The practice phone on file for Denise Tetzner is (302) 400-9999.
What is Denise C. Tetzner's medical license number?
Denise Tetzner holds Delaware license LG0000798.
What medical group is Denise C. Tetzner part of?
Denise Tetzner is linked to NutriHealth Weight Loss Centers.
Does Denise C. Tetzner accept Medicare?
Yes. CMS lists Denise Tetzner as accepting Medicare assignment.
Has Denise C. Tetzner received payments from drug or device companies?
CMS Open Payments shows $99 in general payments to Denise Tetzner from 3 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Denise C. Tetzner been practicing?
Denise Tetzner graduated from medical school in 2014, 12 years ago.
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