Doctor profile · Federal record
Dr. Colleen Keegan, D.O.
Dermatology Physician (CMS: Dermatology) · Naperville, IL
- NPI 1497937106
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 40 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
636 Raymond Dr Ste 200
Naperville, IL 605639791
(630) 315-6500
fax (630) 315-6519
Credentials & registration
- NPI registered
- December 2007 — 19 yrs on file
- Profile last updated
- June 25, 2025
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- Illinois #036-076923
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497937106. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,178
Distinct HCPCS
10
Medicare allowed
$93,082
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 347 | 90 | $7 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 275 | 202 | $133 | |
17000 |
Destruction of precancer skin growth, 1 growth | 169 | 134 | $51 | |
17110 |
Destruction of skin growth, 1-14 growths | 163 | 128 | $117 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 101 | 84 | $95 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 50 | 50 | $176 | |
11102 |
Biopsy of related skin growth, first growth | 26 | 25 | $97 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 23 | 23 | $119 | |
11104 |
Punch biopsy, first skin growth | 13 | 13 | $116 | |
11301 |
Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm | 11 | 11 | $108 |
In context: peer comparison
Among 10 peers in Naperville Dermatology Physician, average services per provider: 174. This provider delivers 6.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
695
Patients
410
Total drug cost
$95,098
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Triamcinolone Acetonide | Generic | 141 | 94 | $2,150 |
| Ketoconazole | Generic | 128 | 67 | $2,424 |
| Clobetasol Propionate | Generic | 59 | 32 | $5,009 |
| Doxycycline Hyclate | Generic | 48 | 20 | $2,941 |
| Fluocinonide | Generic | 45 | 33 | $2,653 |
| Metronidazole | Generic | 39 | 29 | $3,768 |
| Alclometasone Dipropionate | Generic | 38 | 31 | $1,565 |
| Spironolactone | Generic | 32 | 12 | $478 |
| Hydrocortisone | Generic | 29 | 21 | $459 |
| Clindamycin Phosphate | Generic | 28 | 17 | $1,676 |
Hospital affiliations
Frequently asked questions
What is Dr. Colleen Keegan's medical specialty?
Dr. Colleen Keegan practices Dermatology Physician in Naperville, IL.
Where does Dr. Colleen Keegan practice?
Dr. Colleen Keegan practices at 636 Raymond Dr Ste 200, Naperville, IL 605639791. Office phone: 6303156500.
What is Dr. Colleen Keegan's NPI?
Dr. Colleen Keegan's National Provider Identifier (NPI) is 1497937106, issued by NPPES.
Does Dr. Colleen Keegan accept Medicare assignment?
Yes. Dr. Colleen Keegan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colleen Keegan commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99214); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.