Physician Profile
Unclaimed ProfileAbout DIRIENZO
Ryan Reno Dirienzo, PA-C is a physician assistant practicing in Ithaca, NY. Ryan is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Ryan cared for 123 Medicare patients across 221 services.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (607) 272-7000
- Email not available
Practice Locations
16 BRENTWOOD DR
Ithaca, NY 14850
Procedures Most Often Billed to Medicare
221 services · 123 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
29 |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
26 |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
19 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
116 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
31 |
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 7
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 — 29 related providers in 4 groups
Other physician assistants in Ithaca 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of thigh bone and hip joint with prosthesis 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Dirienzo's specialty?
Dr. Dirienzo is a physician assistant in Ithaca, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where can I find Dr. Dirienzo?
Dr. Dirienzo is listed at 16 BRENTWOOD DR, Ithaca, NY 14850. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Dirienzo?
The number on file is (607) 272-7000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Dirienzo's NPI number?
Dr. Dirienzo's National Provider Identifier is 1205464344. 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
What is Dr. Dirienzo's medical education?
Dr. Dirienzo attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Dirienzo been practicing?
Dr. Dirienzo has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Dirienzo known for?
According to Medicare billing data, Dr. Dirienzo performs procedures including replacement of thigh bone and hip joint with prosthesis, aspiration and/or injection of fluid from large joint and replacement of knee joint, both sides of knee, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Dirienzo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dirienzo. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.