Doctor profile · Federal record

Dr. Leland Lenahan, M.D.

Emergency Medical Services (Emergency Medicine) Physician (CMS: Emergency Medicine) · Evergreen Park, IL

  • NPI 1770567117
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2800 W 95Th St
Evergreen Park, IL 608052746
(708) 422-4221
fax (708) 422-4415
Mailing address
108 Bluff Cir
Lafayette, LA 705086018

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207PE0004X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770567117. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
728
Distinct HCPCS
4
Medicare allowed
$84,831
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 288 276 $173
99284 Emergency department visit with moderate level of medical decision making 207 196 $119
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 191 188 $8
99291 Critical care, first 30-74 minutes 42 42 $208

In context: peer comparison

Among 4 peers in this city , average services per provider: 82. This provider delivers 8.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
142
Patients
138
Total drug cost
$1,150
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 54 53 $167
Levofloxacin Generic 24 24 $416
Prochlorperazine Maleate Generic 21 18 $64
Methylprednisolone Generic 16 16 $138
Ketorolac Tromethamine Generic 14 14 $227
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $138

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leland Lenahan's medical specialty?
Dr. Leland Lenahan practices Emergency Medical Services (Emergency Medicine) Physician in Evergreen Park, IL.
Where does Dr. Leland Lenahan practice?
Dr. Leland Lenahan practices at 2800 W 95Th St, Evergreen Park, IL 608052746. Office phone: 7084224221.
What is Dr. Leland Lenahan's NPI?
Dr. Leland Lenahan's National Provider Identifier (NPI) is 1770567117, issued by NPPES.
Does Dr. Leland Lenahan accept Medicare assignment?
Yes. Dr. Leland Lenahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leland Lenahan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.