Provider Profile
Mary Katherine E. Whelan, PA-C
Unclaimed ProfileAbout Mary Katherine Whelan
Listed in the NPI registry as a physician assistant, Mary Katherine E. Whelan, PA-C practices in Chicago, IL. Medicare claims data shows Mary Katherine provided 383 services to 107 patients. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, injection, dexamethasone sodium phosphate, 1 mg, and aspiration and/or injection of fluid from large joint. NPI 1902456155 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 695-6800
- Email not available
Practice Locations
259 E ERIE ST FL 13
Chicago, IL 60611
Procedures Most Often Billed to Medicare
383 services · 107 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
47 | As often as other peers in Physician Assistant |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
140 | As often as other peers in Physician Assistant |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
140 | As often as other peers in Physician Assistant |
| Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose | Drug given | J7323 |
29 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
27 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other physician assistants in Chicago 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Mary Katherine E. Whelan?
Mary Katherine E. Whelan is a physician assistant in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mary Katherine E. Whelan's address?
Mary Katherine E. Whelan is listed at 259 E Erie St Fl 13, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mary Katherine E. Whelan?
The number on file is (312) 695-6800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mary Katherine E. Whelan?
Mary Katherine E. Whelan's National Provider Identifier is 1902456155. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary Katherine E. Whelan train?
Mary Katherine E. Whelan attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mary Katherine E. Whelan have?
Mary Katherine E. Whelan has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mary Katherine E. Whelan perform?
According to Medicare billing data, Mary Katherine E. Whelan performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mary Katherine E. Whelan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Katherine E. Whelan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.