THELMA JEAN STIEGLER FNP
NPI 1427728880
Nurse Practitioner in Rehoboth Beach, DE

Active since September 16, 2021PECOS Enrolled
18947 JOHN J WILLIAMS HWY UNIT 101, REHOBOTH BEACH, DE 19971(302) 645-3010(302) 645-5718 Get Directions Write a Review

NPPES record last updated: February 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 25, 2025, Nov 22, 2024, Sep 16, 2021 (3 updates tracked since 2021).

About Thelma Jean Stiegler Fnp NPPES

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

THELMA JEAN STIEGLER FNP (NPI 1427728880) is an individual nurse practitioner in Rehoboth Beach, Delaware, licensed in Delaware (LG-0013128) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1427728880
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameTHELMA JEAN STIEGLERCredential: FNP
Location Address18947 JOHN J WILLIAMS HWY UNIT 101Rehoboth Beach, DE 19971-4480
Mailing Address8975 Becker AveAllen Park, MI 48101-1518 · (131) 362-2652
Fax(302) 645-5718
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateSeptember 16, 2021
Last NPPES UpdateFebruary 25, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2025
NPI 1427728880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in DE · LG-0013128
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.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 4704253509 (MI), 12020 (MN)
18947 JOHN J WILLIAMS HWY UNIT 101, Rehoboth Beach, DE 19971

Other Names 1

Other Name (5)Thelma Jean St.amour

Secondary Practice Locations 3

Location 1424 Savannah RdLewes, DE 19958-1462 · Phone (302) 645-3770 · Fax (302) 645-5718
Location 232750 Roxana RdMillville, DE 19967-6980 · Phone (302) 703-3595 · Fax (833) 629-0784
Location 38975 Becker AveAllen Park, MI 48101-1518 · Phone (131) 362-2652

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)

Thelma Jean Stiegler Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6608269758
PECOS Enrollment IDI20250313003822
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

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
34 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19971 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 10

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

Nurse Practitioner
18947 JOHN J WILLIAMS HWY UNIT 101
REHOBOTH BEACH, DE 19971
Radiology (Radiation Oncology)
18947 JOHN J WILLIAMS HWY UNIT 101
REHOBOTH BEACH, DE 19971
Internal Medicine (Medical Oncology)
18947 JOHN J WILLIAMS HWY UNIT 101
REHOBOTH BEACH, DE 19971
Nurse Practitioner
18947 JOHN J WILLIAMS HWY UNIT 101
REHOBOTH BEACH, DE 19971
Physician Assistant
18947 JOHN J WILLIAMS HWY UNIT 101
REHOBOTH BEACH, DE 19971
Nurse Practitioner (Psychiatric/Mental Health)
18947 JOHN J WILLIAMS HWY UNIT 101
REHOBOTH BEACH, DE 19971
Radiology (Radiation Oncology)
18947 JOHN J WILLIAMS HWY UNIT 101
REHOBOTH BEACH, DE 19971
Radiology (Radiation Oncology)
18947 JOHN J WILLIAMS HWY UNIT 101
REHOBOTH BEACH, DE 19971

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 Thelma Stiegler's NPI number?

The NPI number for Thelma Stiegler is 1427728880. It was assigned to this individual provider in the NPPES registry on September 16, 2021. The provider is also known as Thelma Jean St.Amour.

Where is Thelma Stiegler located?

Thelma Stiegler practices at 18947 John J Williams Hwy Unit 101, Rehoboth Beach, DE 19971. The listed phone number is (302) 645-3010.

What is Thelma Stiegler's specialty?

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

Is Thelma Stiegler enrolled in Medicare?

Yes. Thelma Stiegler is registered in the Medicare PECOS enrollment system.

What insurance does Thelma Stiegler accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 4 other insurers list Thelma Stiegler 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 Thelma Stiegler was last updated on February 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.