THOMAS J. BYRNES IV FNP
NPI 1700509296
Nurse Practitioner - Family in Wilmington, DE

Active since September 21, 2022PECOS EnrolledAccepts Medicare Assignment
405 SILVERSIDE RD STE 104, WILMINGTON, DE 19809(844) 365-7246(844) 516-0080 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 2, 2026, Jun 6, 2023, Sep 27, 2022 and 1 more (4 updates tracked since 2022).

About Thomas J. Byrnes Iv Fnp NPPES

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

THOMAS J. BYRNES IV FNP (NPI 1700509296) is an individual family provider in Wilmington, Delaware, licensed in Delaware (LG-0012102) and active in the NPI registry since September 2022. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1700509296
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameTHOMAS J. BYRNES IVCredential: FNP
Location Address405 SILVERSIDE RD STE 104Wilmington, DE 19809-1768
Mailing Address291 Carter Dr Ste AMiddletown, DE 19709-5845 · (844) 365-7246 · Fax (844) 516-0080
Fax(844) 516-0080
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateSeptember 21, 2022
Last NPPES UpdateJune 2, 20264 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
NPI 1700509296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in DE · LG-0012102
Also ListedRegistered NurseTaxonomy 163W00000X · License L1-0036577 (DE)
405 SILVERSIDE RD STE 104, Wilmington, DE 19809

Secondary Practice Locations 3

Location 1291 Carter Dr Ste AMiddletown, DE 19709-5845 · Phone (844) 365-7246 · Fax (844) 516-0080
Location 2360 E Pulaski Hwy Fl 3Elkton, MD 21921-6457 · Phone (844) 365-7246 · Fax (844) 516-0080
Location 33105 Limestone Rd Ste 300Wilmington, DE 19808-2156 · Phone (844) 365-7246 · Fax (844) 516-0080

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 and accepts Medicare assignment

Thomas J. Byrnes Iv Fnp 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 ID4082090584
PECOS Enrollment IDI20221006003291, I20260508003688
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 2

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.

Remote therapeutic monitoring treatment management services by physician or other qualified health care professional, each additional 20 minutes per calendar month 98981
Remote therapeutic monitoring treatment management services involve a healthcare professional monitoring your health remotely. They evaluate data from medical devices, adjust your treatment plan if necessary, and communicate with you about your health. This service is for an additional 20 minutes per month.
48 services14 patients
Remote therapeutic monitoring treatment management services by physician or other qualified health care professional, first 20 minutes per calendar month 98980
Remote therapeutic monitoring treatment management services involve a healthcare professional monitoring your health data remotely. This could include vital signs or other health information. The professional will manage your treatment for the first 20 minutes each month, adjusting as necessary based on the data received.
40 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19809 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 16

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

Non-Pharmacy Dispensing Site
405 SILVERSIDE RD STE 104
WILMINGTON, DE 19809
Physical Medicine & Rehabilitation (Pain Medicine)
405 SILVERSIDE RD STE 104
WILMINGTON, DE 19809
Nurse Practitioner (Family)
405 SILVERSIDE RD STE 104
WILMINGTON, DE 19809
Nurse Practitioner
405 SILVERSIDE RD STE 104
WILMINGTON, DE 19809
Pain Medicine (Pain Medicine)
405 SILVERSIDE RD STE 104
WILMINGTON, DE 19809
Physician Assistant
405 SILVERSIDE RD STE 104
WILMINGTON, DE 19809
Pain Medicine (Pain Medicine)
405 SILVERSIDE RD STE 104
WILMINGTON, DE 19809
Pain Medicine (Pain Medicine)
405 SILVERSIDE RD STE 104
WILMINGTON, DE 19809

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 Thomas Byrnes's NPI number?

The NPI number for Thomas Byrnes is 1700509296. It was assigned to this individual provider in the NPPES registry on September 21, 2022.

Where is Thomas Byrnes located?

Thomas Byrnes practices at 405 Silverside Rd Ste 104, Wilmington, DE 19809. The listed phone number is (844) 365-7246.

What is Thomas Byrnes's specialty?

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

Is Thomas Byrnes enrolled in Medicare?

Yes. Thomas Byrnes 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 Thomas Byrnes accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan and AmeriHealth Caritas Next list Thomas Byrnes 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 Thomas Byrnes was last updated on June 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.