ALYSSE KATHERINE PAZIENZA PA-C
NPI 1821558461
Physician Assistant in Providence, RI

Active since March 20, 2019PECOS EnrolledAccepts Medicare Assignment
86.41/100
CMS Quality Rating
593 EDDY ST, PROVIDENCE, RI 02903(401) 444-5174 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 29, 2026, May 13, 2025, Sep 12, 2019 and 2 more (5 updates tracked since 2019).

About Alysse Katherine Pazienza Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALYSSE KATHERINE PAZIENZA PA-C (NPI 1821558461) is an individual physician assistant in Providence, Rhode Island, licensed in Rhode Island (PA01787) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Roger Williams Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1821558461
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameALYSSE KATHERINE PAZIENZACredential: PA-C
Location Address593 EDDY STProvidence, RI 02903-4923
Mailing Address125 Metro Center Blvd Ste 2000Warwick, RI 02886-1785 · (401) 432-2500 · Fax (401) 889-3619
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 20, 2019
Last NPPES UpdateMay 29, 20265 updates tracked since enumeration
NPPES CertifiedMay 29, 2026
NPI 1821558461 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses Licensed in RI · PA01787 Licensed in CT · 4515
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 4515 (CT)
593 EDDY ST, Providence, RI 02903

Secondary Practice Locations 2

Location 1455 Toll Gate RdWarwick, RI 02886-2759 · Phone (401) 737-7010 · Fax (401) 736-4546
Location 280 Seymour Street, Hartford Hosp Medicine DeptHartford, CT 06102-8000 · Phone (860) 972-2085

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alysse Katherine Pazienza Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5395075683
PECOS Enrollment IDI20190930002510, I20250822001389
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Roger Williams Medical Center

Acute Care Hospitals · Providence, RI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number410004
Location825 Chalkstone AvenueProvidence, RI 02908 · Providence County
Emergency services

Newport Hospital

Acute Care Hospitals · Newport, RI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410006
Location11 Friendship StreetNewport, RI 02840 · Newport County
Emergency services Birthing friendly

Rhode Island Hospital

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipTribal
CMS Certification Number410007
Location593 Eddy StreetProvidence, RI 02903 · Providence County
Emergency services

The Miriam Hospital

Acute Care Hospitals · Providence, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410012
Location164 Summit AvenueProvidence, RI 02906 · Providence County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.48 typical visit price
range $58.57 – $177.03
Typical copayment $22.62 (range $14.64 – $44.25)
Most-billed visit code 99203
Established Patient
$72.93 typical visit price
range $18.92 – $144.38
Typical copayment $18.23 (range $4.73 – $36.09)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.99
Promoting Interoperability100
Improvement Activities40
Cost43.03

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology
593 EDDY ST, APC 6
PROVIDENCE, RI 02903
Surgery
593 EDDY ST
PROVIDENCE, RI 02903
General Acute Care Hospital
593 EDDY ST, MAIN 4
PROVIDENCE, RI 02903
Pathology (Anatomic Pathology & Clinical Pathology)
593 EDDY ST
PROVIDENCE, RI 02903
Psychiatry & Neurology (Neurology)
593 EDDY ST
PROVIDENCE, RI 02903
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903
Physician Assistant
593 EDDY ST
PROVIDENCE, RI 02903
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alysse Pazienza's NPI number?

The NPI number for Alysse Pazienza is 1821558461. It was assigned to this individual provider in the NPPES registry on March 20, 2019.

Where is Alysse Pazienza located?

Alysse Pazienza practices at 593 Eddy St, Providence, RI 02903. The listed phone number is (401) 444-5174.

What is Alysse Pazienza's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Alysse Pazienza enrolled in Medicare?

Yes. Alysse Pazienza is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Alysse Pazienza affiliated with any hospitals?

According to CMS data, Alysse Pazienza is affiliated with Roger Williams Medical Center, Newport Hospital, Rhode Island Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Alysse Pazienza was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.