Doctor profile · Federal record
Dr. Kathleen Mahan, MD
Family Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Pediatrics Physician · Lombard, IL
- NPI 1639100464
- Accepts Medicare
- 24 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1801 S Highland Ave Ste 130
Lombard, IL 601484932
(630) 627-4722
fax (630) 627-9134
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 6, 2016
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Michigan #4301093916
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639100464. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,064
Distinct HCPCS
10
Medicare allowed
$52,914
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 160 | 99 | $133 | |
36415 |
Insertion of needle into vein for collection of blood sample | 159 | 103 | $8 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 97 | 97 | $133 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 92 | 69 | $94 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 90 | 77 | $13 | |
80053 |
Blood test, comprehensive group of blood chemicals | 86 | 73 | $10 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 80 | 65 | $8 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 60 | 51 | $16 | |
83036 |
Hemoglobin a1c level | 52 | 29 | $10 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 30 | 27 | $8 |
In context: peer comparison
Among 9 peers in Lombard Family Medicine Physician, average services per provider: 58. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$33
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $32.96 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,090
Patients
314
Total drug cost
$14,130
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 161 | 49 | $2,266 |
| Levothyroxine Sodium | Generic | 153 | 40 | $2,682 |
| Amlodipine Besylate | Generic | 97 | 35 | $1,343 |
| Lisinopril | Generic | 97 | 29 | $1,134 |
| Metformin Hcl | Generic | 69 | 20 | $495 |
| Alprazolam | Generic | 65 | 16 | $514 |
| Metoprolol Succinate | Generic | 64 | 19 | $1,715 |
| Rosuvastatin Calcium | Generic | 58 | 19 | $1,032 |
| Sertraline Hcl | Generic | 56 | 15 | $459 |
| Simvastatin | Generic | 55 | 15 | $340 |
Frequently asked questions
What is Dr. Kathleen Mahan's medical specialty?
Dr. Kathleen Mahan practices Family Medicine Physician in Lombard, IL.
Where does Dr. Kathleen Mahan practice?
Dr. Kathleen Mahan practices at 1801 S Highland Ave Ste 130, Lombard, IL 601484932. Office phone: 6306274722.
What is Dr. Kathleen Mahan's NPI?
Dr. Kathleen Mahan's National Provider Identifier (NPI) is 1639100464, issued by NPPES.
Does Dr. Kathleen Mahan accept Medicare assignment?
Yes. Dr. Kathleen Mahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Mahan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.