Provider Profile
Katharine Sapienza, PA-C
Unclaimed ProfileAbout Katharine Sapienza
Listed in the NPI registry as a physician assistant, Katharine Sapienza, PA-C practices in Riverhead, NY. According to Medicare claims data, Katharine cared for 293 Medicare patients across 2,265 services. The services billed most often include injection, denosumab, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and cervical or vaginal cancer screening; pelvic and clinical breast examination. NPI 1326757568 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
- (631) 727-3422
- Email not available
Practice Locations
74 COMMERCE DR. SUITE 1
Riverhead, NY 11901
600 Montauk Hwy Ste C
Center Moriches, NY 11934
595 Hampton Rd
Southampton, NY 11968
183 W Montauk Hwy
Hampton Bays, NY 11946
Procedures Most Often Billed to Medicare
2,265 services · 293 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
37 | More often than most peers in Physician Assistant |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,980 | As often as other 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 |
116 | More often than most peers in Physician Assistant |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
63 | More often than most peers in Physician Assistant |
| Urinalysis, manual test | Lab test | 81002 |
43 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
26 | As often as other 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.
Related specialists at this location 2
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.
Other physician assistants in Riverhead 8
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 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Katharine Sapienza?
Katharine Sapienza is a physician assistant in Riverhead, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Katharine Sapienza's address?
Katharine Sapienza is listed at 74 Commerce Dr. Suite 1, Riverhead, NY 11901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Katharine Sapienza?
The number on file is (631) 727-3422. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Katharine Sapienza's NPI number?
Katharine Sapienza's National Provider Identifier is 1326757568. 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 Katharine Sapienza train?
Katharine Sapienza attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Katharine Sapienza been practicing?
Katharine Sapienza has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What procedures does Katharine Sapienza perform?
According to Medicare billing data, Katharine Sapienza provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Katharine Sapienza confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Katharine Sapienza. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.