Doctor profile · Federal record
Dr. Mary Katherine Whelan, PA-C
Physician Assistant · Chicago, IL
- NPI 1902456155
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 7 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
259 E Erie St Fl 13
Chicago, IL 606113926
(312) 695-6800
Credentials & registration
- NPI registered
- September 2019 — 7 yrs on file
- Profile last updated
- October 22, 2019
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Illinois #085007174
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902456155. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
335
Distinct HCPCS
4
Medicare allowed
$7,455
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 136 | 25 | $1 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 115 | 24 | $0 | |
20610 |
Aspiration and/or injection of fluid from large joint | 50 | 32 | $67 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 34 | 28 | $115 |
In context: peer comparison
Among 260 peers in Chicago Physician Assistant, average services per provider: 66. This provider delivers 5.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$161
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Diclofenac Sodium | Generic | 11 | 0 | $161 |
Frequently asked questions
What is Dr. Mary Katherine Whelan's medical specialty?
Dr. Mary Katherine Whelan practices Physician Assistant in Chicago, IL.
Where does Dr. Mary Katherine Whelan practice?
Dr. Mary Katherine Whelan practices at 259 E Erie St Fl 13, Chicago, IL 606113926. Office phone: 3126956800.
What is Dr. Mary Katherine Whelan's NPI?
Dr. Mary Katherine Whelan's National Provider Identifier (NPI) is 1902456155, issued by NPPES.
Does Dr. Mary Katherine Whelan accept Medicare assignment?
Yes. Dr. Mary Katherine Whelan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Katherine Whelan commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.