Doctor profile · Federal record

Dr. Leigh Preston, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Hospitalist Physician · Physician Assistant · Newark, DE

  • NPI 1417979220
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
537 Stanton Christiana RD, Suite 203
Newark, DE 197132146
(302) 225-2380
fax (302) 225-2388
Additional location
10300 N Illinois St Ste 1100
Carmel, IN 462901167
(317) 948-0980
fax (317) 968-1221

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 21, 2023
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State licenses (3)
Delaware #C50000618 · Maryland #C0002871 · Indiana #10004210A
Medicaid (2)
IN #300083791 · DE #0000845902

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417979220. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
195
Distinct HCPCS
6
Medicare allowed
$20,810
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 77 74 $103
99215 Established patient office or other outpatient visit, 40-54 minutes 39 39 $136
99204 New patient office or other outpatient visit, 45-59 minutes 25 25 $119
99443 Telephone medical discussion with physician, 21-30 minutes 22 22 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $71
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $77

In context: peer comparison

Among 14 peers in Newark Medical Physician Assistant, average services per provider: 166. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$109
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 4 $70.04
Regeneron Healthcare Solutions, INC. 1 $22.02
Takeda Pharmaceuticals U.S.A., INC. 1 $17.15

By nature of payment

Food and Beverage
$109

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
120
Patients
31
Total drug cost
$13,579
Drug Type Claims Patients Total cost
Omeprazole Generic 76 31 $1,244
Linzess (Linaclotide) Brand 19 0 $11,715
Famotidine Generic 14 0 $387
Dicyclomine Hcl Generic 11 0 $233

Frequently asked questions

Auto-generated from federal data
What is Dr. Leigh Preston's medical specialty?
Dr. Leigh Preston practices Medical Physician Assistant in Newark, DE.
Where does Dr. Leigh Preston practice?
Dr. Leigh Preston practices at 537 Stanton Christiana RD, Newark, DE 197132146. Office phone: 3022252380.
What is Dr. Leigh Preston's NPI?
Dr. Leigh Preston's National Provider Identifier (NPI) is 1417979220, issued by NPPES.
Does Dr. Leigh Preston accept Medicare assignment?
Yes. Dr. Leigh Preston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leigh Preston commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.