Provider Profile
Tierney Diehl, PA-C
Unclaimed ProfileAbout Tierney Diehl
Tierney Diehl, PA-C is a physician assistant based in Pittsburgh, PA. According to Medicare claims data, Tierney cared for 182 Medicare patients across 184 services. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (412) 432-7400
- Email not available
Practice Locations
3600 FORBES AVE
Pittsburgh, PA 15213
Procedures Most Often Billed to Medicare
184 services · 182 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
47 | 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 moderate level of medical decision making | Office visit | 99284 |
64 | More 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 8
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 — 16 related providers in 2 groups
Other physician assistants in Pittsburgh 8
Same specialty, same city.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Tierney Diehl specialize in?
Tierney Diehl is a physician assistant in Pittsburgh, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Tierney Diehl located?
Tierney Diehl is listed at 3600 Forbes Ave, Pittsburgh, PA 15213. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Tierney Diehl's phone number?
The number on file is (412) 432-7400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Tierney Diehl's NPI number?
Tierney Diehl's National Provider Identifier is 1427823772. 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
How long has Tierney Diehl been practicing?
Tierney Diehl has 3+ years experience. Registered with an NPI since 2023. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Tierney Diehl do most often?
According to Medicare billing data, Tierney Diehl 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 Tierney Diehl confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Tierney Diehl. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.