Provider Profile
Haley A. Riordan, PHYSICIAN ASSISTANT
Unclaimed ProfileAbout Haley Riordan
Haley A. Riordan, PHYSICIAN ASSISTANT is a physician assistant based in East Setauket, NY. Medicare claims data shows Haley provided 60 services to 59 patients. The services billed most often include replacement of knee joint, both sides of knee, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and aspiration and/or injection of fluid from large joint.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
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
- (631) 444-4233
- Email not available
Practice Locations
14 TECHNOLOGY DR STE 11
East Setauket, NY 11733
Procedures Most Often Billed to Medicare
60 services · 59 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
32 | As often as other peers in Physician Assistant |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
13 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
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 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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 — 30 related providers in 4 groups
Other physician assistants in East Setauket 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of knee joint, both sides of knee 7
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Haley A. Riordan?
Haley A. Riordan is a physician assistant in East Setauket, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Haley A. Riordan's address?
Haley A. Riordan is listed at 14 Technology Dr Ste 11, East Setauket, NY 11733. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Haley A. Riordan?
The number on file is (631) 444-4233. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Haley A. Riordan?
Haley A. Riordan's National Provider Identifier is 1366843781. 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 Haley A. Riordan train?
Haley A. Riordan attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Haley A. Riordan have?
Haley A. Riordan has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What procedures does Haley A. Riordan perform?
According to Medicare billing data, Haley A. Riordan performs procedures including replacement of knee joint, both sides of knee and 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 Haley A. Riordan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Haley A. Riordan. 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.