Doctor profile · Federal record

Dr. Thelma Stiegler, FNP

Nurse Practitioner · Family Nurse Practitioner · Family Nurse Practitioner · Rehoboth Beach, DE

  • NPI 1427728880
  • 6 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
18947 John J Williams Hwy Unit 101
Rehoboth Beach, DE 199714480
(302) 645-3010
fax (302) 645-5718
Additional location
32750 Roxana RD
Millville, DE 199676980
(302) 703-3595
fax (833) 629-0784
Additional location
424 Savannah RD
Lewes, DE 199581462
(302) 645-3770
Show 1 more location
Additional location
8975 Becker Ave
Allen Park, MI 481011518
(131) 362-2652
Mailing address
8975 Becker Ave
Allen Park, MI 481011518

Credentials & registration

NPPES · NUCC
NPI registered
September 2021 — 5 yrs on file
Profile last updated
February 25, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (3)
Delaware #LG-0013128 · Michigan #4704253509 · Minnesota #12020

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427728880. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
70
Distinct HCPCS
2
Medicare allowed
$7,126
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 49 18 $103
99239 Hospital discharge day management, more than 30 minutes 21 12 $99

In context: peer comparison

Among 6 peers in this city , average services per provider: 127. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$95
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 2 $52.73
Genmab U.S., Inc. 2 $42.62

By nature of payment

Food and Beverage
$95

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thelma Stiegler's medical specialty?
Dr. Thelma Stiegler practices Nurse Practitioner in Rehoboth Beach, DE.
Where does Dr. Thelma Stiegler practice?
Dr. Thelma Stiegler practices at 18947 John J Williams Hwy Unit 101, Rehoboth Beach, DE 199714480. Office phone: 3026453010.
What is Dr. Thelma Stiegler's NPI?
Dr. Thelma Stiegler's National Provider Identifier (NPI) is 1427728880, issued by NPPES.
Does Dr. Thelma Stiegler accept Medicare assignment?
Dr. Thelma Stiegler does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Thelma Stiegler commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.