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MRS. DENISE TETZNER FNP.C
NPI 1265813794
Nurse Practitioner in Lewes, DE

Active since June 10, 2015PECOS EnrolledAccepts Medicare Assignment
18335 COASTAL HWY STE 102, LEWES, DE 19958(302) 400-9999(302) 741-3542 Get Directions Write a Review

NPPES record last updated: October 30, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Denise Tetzner Fnp.c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. DENISE TETZNER FNP.C (NPI 1265813794) is an individual nurse practitioner in Lewes, Delaware, licensed in Delaware (LG0000798) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1265813794
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. DENISE TETZNERCredential: FNP.C
Location Address18335 COASTAL HWY STE 102Lewes, DE 19958-2738
Mailing AddressPo Box 67537Newark, NJ 07101-8009
Phone(302) 400-9999
Fax(302) 741-3542
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateJune 10, 2015
Last NPPES UpdateOctober 30, 2025
NPPES CertifiedOctober 30, 2025
✔ NPI 1265813794 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in DE · LG0000798
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
18335 COASTAL HWY STE 102, Lewes, DE 19958
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Denise Tetzner Fnp.c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133556236
PECOS Enrollment IDI20200303000084
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19958 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.37 typical visit price
range $57.12 – $173.08
Typical copayment $22.09 (range $14.28 – $43.27)
Most-billed visit code 99203
Established Patient
$100.68 typical visit price
range $18.36 – $141.05
Typical copayment $25.17 (range $4.59 – $35.26)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. WALTER ANTHONY DAVIS III FNP-BC
Nurse Practitioner (Family)
18335 COASTAL HWY STE 102
LEWES, DE 19958
Sussex County (302) 400-9999

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Denise Tetzner's NPI number?

The NPI number for Denise Tetzner is 1265813794. It was assigned to this individual provider in the NPPES registry on June 10, 2015.

Where is Denise Tetzner located?

Denise Tetzner practices at 18335 Coastal Hwy Ste 102, Lewes, DE 19958. The listed phone number is (302) 400-9999.

What is Denise Tetzner's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Denise Tetzner enrolled in Medicare?

Yes. Denise Tetzner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Denise Tetzner accept?

Health plans from AmeriHealth Caritas Next list Denise Tetzner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Denise Tetzner was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.