Doctor profile · Federal record

Dr. Leah Sullivan, LCSW

Clinical Social Worker · Dover, DE

  • NPI 1003051244
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1151 Walker RD
Dover, DE 199046600
(302) 674-2380
Mailing address
156 S State St
Dover, DE 199017314

Credentials & registration

NPPES · NUCC
NPI registered
December 2008 — 18 yrs on file
Profile last updated
May 21, 2018
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Delaware #Q1-0000769

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003051244. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
232
Distinct HCPCS
2
Medicare allowed
$24,365
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 204 26 $109
90834 Psychotherapy, 45 minutes 28 13 $74

In context: peer comparison

Among 7 peers in Dover Clinical Social Worker, average services per provider: 163. This provider delivers 1.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Leah Sullivan's medical specialty?
Dr. Leah Sullivan practices Clinical Social Worker in Dover, DE.
Where does Dr. Leah Sullivan practice?
Dr. Leah Sullivan practices at 1151 Walker RD, Dover, DE 199046600. Office phone: 3026742380.
What is Dr. Leah Sullivan's NPI?
Dr. Leah Sullivan's National Provider Identifier (NPI) is 1003051244, issued by NPPES.
Does Dr. Leah Sullivan accept Medicare assignment?
Yes. Dr. Leah Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leah Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.