Katrina Sivo-Souza, DNP
NPI 1124557756 · Family Nurse Practitioner · Norwich, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katrina Sivo-Souza, DNP is a Family Nurse Practitioner provider in Norwich, CT (NPI 1124557756).
Provider details
- NPI number
- 1124557756
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN2262644 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluoxetine Hcl | 30 | — |
| Prazosin Hcl | 27 | — |
| Venlafaxine Hcl | 23 | — |
| Atorvastatin Calcium | 22 | 12 |
| Lamotrigine | 22 | — |
| Hydrochlorothiazide | 20 | — |
| Amlodipine Besylate | 15 | — |
Practice location
Mailing address
Additional practice locations (2)
- 303 N Main StAttleboro, MA 02703-1752Phone: (508) 236-0100Fax: (508) 342-9121
- 101 Dudley StProvidence, RI 02905-2401Phone: (401) 273-0641
Registry dates
- Enumerated
- 2017-06-07
- Last updated
- 2026-05-28
- Certified
- 2026-05-28
Frequently asked questions
- What is Katrina Sivo-Souza's NPI number?
- Katrina Sivo-Souza's National Provider Identifier (NPI) is 1124557756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katrina Sivo-Souza's specialty?
- Katrina Sivo-Souza is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katrina Sivo-Souza located?
- Katrina Sivo-Souza's practice location on file with NPPES is 330 Washington St, Norwich, CT 06360-2700.
- What is Katrina Sivo-Souza's phone number?
- The practice phone number listed in the NPPES registry for Katrina Sivo-Souza is (860) 885-1308.
- Does Katrina Sivo-Souza accept Medicare?
- Katrina Sivo-Souza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katrina Sivo-Souza's NPI active?
- Yes — Katrina Sivo-Souza's NPI (1124557756) is active in the NPPES registry as of the last update on 2026-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.