Doctor profile · Federal record
Dr. Mary-Katherine Butler
Physician Assistant · Student in an Organized Health Care Education/Training Program · Chicago, IL
- NPI 1326524729
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
259 E Erie St Fl 13
Chicago, IL 606113926
(312) 695-6800
fax (312) 472-4877 - Additional location
-
767 Clarington CT
Columbus, OH 432142390
(312) 301-5253
Credentials & registration
- NPI registered
- July 2018 — 8 yrs on file
- Profile last updated
- March 27, 2026
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Illinois #085007822
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326524729. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
107
Distinct HCPCS
4
Medicare allowed
$10,610
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 58 | 51 | $81 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 18 | 18 | $103 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 16 | $115 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $152 |
In context: peer comparison
Among 260 peers in Chicago Physician Assistant, average services per provider: 66. This provider delivers 1.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
267
Patients
155
Total drug cost
$3,814
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 80 | 40 | $1,015 |
| Diclofenac Sodium | Generic | 37 | 18 | $535 |
| Cyclobenzaprine Hcl | Generic | 30 | 25 | $270 |
| Pregabalin | Generic | 27 | 14 | $436 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 26 | 21 | $280 |
| Oxycodone Hcl | Generic | 18 | 11 | $127 |
| Tramadol Hcl | Generic | 18 | 12 | $67 |
| Diazepam | Generic | 17 | 14 | $39 |
| Celecoxib | Generic | 14 | 0 | $1,046 |
Hospital affiliations
Frequently asked questions
What is Dr. Mary-Katherine Butler's medical specialty?
Dr. Mary-Katherine Butler practices Physician Assistant in Chicago, IL.
Where does Dr. Mary-Katherine Butler practice?
Dr. Mary-Katherine Butler practices at 259 E Erie St Fl 13, Chicago, IL 606113926. Office phone: 3126956800.
What is Dr. Mary-Katherine Butler's NPI?
Dr. Mary-Katherine Butler's National Provider Identifier (NPI) is 1326524729, issued by NPPES.
Does Dr. Mary-Katherine Butler accept Medicare assignment?
Yes. Dr. Mary-Katherine Butler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary-Katherine Butler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.