MARY KATE MELLIN FNP
NPI 1265108013
Nurse Practitioner - Family in Middletown, DE

Active since August 20, 2021PECOS Enrolled
621 MIDDLETOWN ODESSA RD, MIDDLETOWN, DE 19709(302) 203-2230 Get Directions Write a Review

NPPES record last updated: August 20, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mary Kate Mellin Fnp NPPES

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

MARY KATE MELLIN FNP (NPI 1265108013) is an individual family provider in Middletown, Delaware, licensed in Delaware (LG-0011619) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265108013
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY KATE MELLINCredential: FNP
Location Address621 MIDDLETOWN ODESSA RDMiddletown, DE 19709-9602
Mailing Address621 Middletown Odessa RdMiddletown, DE 19709-9602
Sole ProprietorNo
Enumeration DateAugust 20, 2021
NPPES CertifiedAugust 20, 2021
NPI 1265108013 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in DE · LG-0011619
621 MIDDLETOWN ODESSA RD, Middletown, DE 19709

Other Names 1

Former Name (1)Mary Kate Wilmoth

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mary Kate Mellin Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services27 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
29 services25 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19709 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 5

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

Nurse Practitioner (Family)
621 MIDDLETOWN ODESSA RD
MIDDLETOWN, DE 19709
Nurse Practitioner (Women's Health)
621 MIDDLETOWN ODESSA RD
MIDDLETOWN, DE 19709
Family Medicine
621 MIDDLETOWN ODESSA RD
MIDDLETOWN, DE 19709
Physical Therapist
621 MIDDLETOWN ODESSA RD
MIDDLETOWN, DE 19709
Speech-Language Pathologist
621 MIDDLETOWN ODESSA RD
MIDDLETOWN, DE 19709

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 Mary Mellin's NPI number?

The NPI number for Mary Mellin is 1265108013. It was assigned to this individual provider in the NPPES registry on August 20, 2021. The provider is also known as Mary Kate Wilmoth.

Where is Mary Mellin located?

Mary Mellin practices at 621 Middletown Odessa Rd, Middletown, DE 19709. The listed phone number is (302) 203-2230.

What is Mary Mellin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mary Mellin enrolled in Medicare?

Yes. Mary Mellin is registered in the Medicare PECOS enrollment system.

What insurance does Mary Mellin accept?

Health plans from AmeriHealth Caritas Next and Highmark Blue Cross Blue Shield Delaware list Mary Mellin 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 Mary Mellin was last updated on August 20, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.