Doctor profile · Federal record

Dr. William Fader, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Wilmington, DE

  • NPI 1497420855
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 Foulk RD Ste 2E
Wilmington, DE 198033733
(302) 765-2345
fax (302) 691-7036
Mailing address
21 Rose Hill Dr
Bear, DE 197012398

Credentials & registration

NPPES · NUCC
NPI registered
August 2021 — 5 yrs on file
Profile last updated
September 11, 2023
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Delaware #LG-0011708

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497420855. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
3
Medicare allowed
$9,417
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 56 23 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 44 18 $108
80305 Testing for presence of drug, read by direct observation 30 17 $12

In context: peer comparison

Among 21 peers in this city , average services per provider: 123. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$225
Transactions
11
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Indivior Inc. 4 $82.34
Novo Nordisk Inc 2 $44.03
IDORSIA PHARMACEUTICALS US INC 2 $32.82
Lilly USA, LLC 1 $25.90
Otsuka America Pharmaceutical, Inc. 1 $20.91
Xeris Pharmaceuticals, Inc. 1 $19.45

By nature of payment

Food and Beverage
$225

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
758
Patients
100
Total drug cost
$74,685
Drug Type Claims Patients Total cost
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 135 24 $41,234
Alprazolam Generic 118 15 $622
Gabapentin Generic 84 22 $1,621
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 54 11 $2,289
Tizanidine Hcl Generic 54 14 $573
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 45 0 $1,768
Oxycodone Hcl Generic 42 0 $1,286
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 38 0 $656
Omeprazole Generic 35 14 $580
Zolpidem Tartrate Generic 33 0 $370

Frequently asked questions

Auto-generated from federal data
What is Dr. William Fader's medical specialty?
Dr. William Fader practices Family Nurse Practitioner in Wilmington, DE.
Where does Dr. William Fader practice?
Dr. William Fader practices at 701 Foulk RD Ste 2E, Wilmington, DE 198033733. Office phone: 3027652345.
What is Dr. William Fader's NPI?
Dr. William Fader's National Provider Identifier (NPI) is 1497420855, issued by NPPES.
Does Dr. William Fader accept Medicare assignment?
Yes. Dr. William Fader accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Fader commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Testing for presence of drug, read by direct observation (HCPCS 80305). Source: CMS Medicare Physician & Other Practitioners file.