Doctor profile · Federal record

Dr. J ERIC CASTRO, MD

Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · Procedural Dermatology Physician · Procedural Dermatology Physician · Emergency Medicine Physician · Obesity Medicine (Preventive Medicine) Physician · LIBERTYVILLE, IL

  • NPI 1316971807
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
1105 W PARK AVE STE 7
LIBERTYVILLE, IL 600482567
(847) 773-0369
fax (847) 201-2573
Additional location
1 Kish Hospital Dr., Department of Emergency Medicine
DeKalb, IL 60115
(815) 756-1521
Additional location
2400 N. Rockton Ave, Dept of Emergency Medicine
Rockford, IL 61103
(815) 971-5000
Show 3 more locations
Additional location
450 W Highway 22, Department of Emergency Medicine
Barrington, IL 600101919
(847) 842-4444
Additional location
530 Park Ave East, Dept of Emergency Medicine
Princeton, IL 61356
(815) 876-4411
fax (815) 876-4471
Additional location
4805 S Moorland Rd
New Berlin, WI 531517401
(262) 798-7200
fax (262) 798-7271
Mailing address
2260 CHURCHILL CIR
LIBERTYVILLE, IL 600484298

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
October 20, 2023
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (3)
Illinois #036103419 · Arizona #71511 · Wisconsin #53459-20
Medicaid (2)
IL #036103419 · WI #1316971807

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316971807. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
286
Distinct HCPCS
5
Medicare allowed
$33,746
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 102 98 $178
99284 Emergency department visit with moderate level of medical decision making 65 62 $121
99283 Emergency department visit with low level of medical decision making 54 45 $72
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 49 41 $8
99291 Critical care, first 30-74 minutes 16 15 $216

In context: peer comparison

Among 6 peers in this city , average services per provider: 132. This provider delivers 2.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
100
Patients
84
Total drug cost
$533
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 27 26 $34
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 17 16 $77
Cephalexin Generic 15 15 $100
Prednisone Generic 15 15 $31
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 14 12 $179
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 0 $111

Hospital affiliations

CMS Hospital Compare