Doctor profile · Federal record
Dr. Brian Lenahan, D.O.
Family Medicine Physician (CMS: Family Practice) · Naperville, IL
- NPI 1053462788
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4003 S Route 59
Naperville, IL 605645802
(888) 693-6437 - Additional location
-
885 Roosevelt RD Ste 100
Glen Ellyn, IL 601376141
(630) 384-6200
fax (630) 384-6229 - Mailing address
-
Po Box 713260
Chicago, IL 606771260
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- February 26, 2024
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Illinois #036114526
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053462788. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
251
Distinct HCPCS
10
Medicare allowed
$21,374
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 79 | 71 | $130 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 37 | 35 | $92 | |
36415 |
Insertion of needle into vein for collection of blood sample | 20 | 20 | $8 | |
81003 |
Automated urinalysis test | 20 | 19 | $2 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 19 | 19 | $8 | |
87631 |
Detection test by nucleic acid for multiple types of respiratory virus, multiple types or subtypes, 3-5 targets | 19 | 19 | $140 | |
80053 |
Blood test, comprehensive group of blood chemicals | 18 | 18 | $10 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $173 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $118 | |
87651 |
Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique | 11 | 11 | $32 |
In context: peer comparison
Among 35 peers in this city , average services per provider: 67. This provider delivers 3.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
98
Patients
95
Total drug cost
$913
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 25 | 25 | $323 |
| Cephalexin | Generic | 20 | 18 | $237 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 19 | 19 | $232 |
| Prednisone | Generic | 19 | 18 | $39 |
| Azithromycin | Generic | 15 | 15 | $83 |
Frequently asked questions
What is Dr. Brian Lenahan's medical specialty?
Dr. Brian Lenahan practices Family Medicine Physician in Naperville, IL.
Where does Dr. Brian Lenahan practice?
Dr. Brian Lenahan practices at 4003 S Route 59, Naperville, IL 605645802. Office phone: 8886936437.
What is Dr. Brian Lenahan's NPI?
Dr. Brian Lenahan's National Provider Identifier (NPI) is 1053462788, issued by NPPES.
Does Dr. Brian Lenahan accept Medicare assignment?
Yes. Dr. Brian Lenahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Lenahan 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 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.