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Edit this profileAt a glance
- 27650 Ferry Rd Ste 110, Warrenville, IL 60555
About Thomas Ahearn
Thomas J. Ahearn, PA-C is a physician assistant based in Warrenville, IL. According to Medicare claims data, Thomas cared for 189 Medicare patients across 195 services. The services billed most often include emergency department visit with moderate level of medical decision making, emergency department visit with high level of medical decision making, and emergency department visit with low level of medical decision making. The provider's National Provider Identifier (NPI) is 1962872200.
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
- (630) 315-6543
- Email not available
Practice Locations
27650 FERRY RD STE 110
Warrenville, IL 60555
Procedures Most Often Billed to Medicare
195 services · 189 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
13 | Less often than most peers in Physician Assistant |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
94 | More often than most peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
73 | More often than most peers in Physician Assistant |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
15 | 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 3
Same specialty, same street address — most likely the same department or group.
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.
Other physician assistants in Warrenville 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Thomas J. Ahearn specialize in?
Thomas J. Ahearn is a physician assistant in Warrenville, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Thomas J. Ahearn located?
Thomas J. Ahearn is listed at 27650 Ferry Rd Ste 110, Warrenville, IL 60555. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Thomas J. Ahearn's phone number?
The number on file is (630) 315-6543. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Thomas J. Ahearn's NPI number?
Thomas J. Ahearn's National Provider Identifier is 1962872200. 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 Thomas J. Ahearn train?
Thomas J. Ahearn attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Thomas J. Ahearn been practicing?
Thomas J. Ahearn has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Thomas J. Ahearn do most often?
According to Medicare billing data, Thomas J. Ahearn provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Thomas J. Ahearn confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Thomas J. Ahearn. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.