Kathleen Sianghio, NP
NPI 1326506775 · Nurse Practitioner · Fairfield, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Sianghio, NP is a Nurse Practitioner provider in Fairfield, CA (NPI 1326506775).
Provider details
- NPI number
- 1326506775
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 95011320 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 61 | 23 |
| Amlodipine Besylate | 32 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 25 | — |
| Gabapentin | 20 | — |
| Ibuprofen | 16 | — |
| Trazodone Hcl | 16 | — |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-05
- Last updated
- 2025-06-04
- Certified
- 2025-06-04
Frequently asked questions
- What is Kathleen Sianghio's NPI number?
- Kathleen Sianghio's National Provider Identifier (NPI) is 1326506775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Sianghio's specialty?
- Kathleen Sianghio is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathleen Sianghio located?
- Kathleen Sianghio's practice location on file with NPPES is 1313 Travis Blvd Ste a, Fairfield, CA 94533-4621.
- What is Kathleen Sianghio's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Sianghio is (707) 410-3840.
- Does Kathleen Sianghio accept Medicare?
- Kathleen Sianghio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Sianghio's NPI active?
- Yes — Kathleen Sianghio's NPI (1326506775) is active in the NPPES registry as of the last update on 2025-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.