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MRS. JEAN SILAGAN UNAJAN NURSE PRACTITIONER
NPI 1871860007
Nurse Practitioner in American Canyon, CA

Active since November 16, 2011PECOS Enrolled
60 PALAZZO WAY, AMERICAN CANYON, CA 94503(707) 980-7016 Get Directions Write a Review

NPPES record last updated: December 16, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Jean Silagan Unajan Nurse Practitioner NPPES

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

MRS. JEAN SILAGAN UNAJAN NURSE PRACTITIONER (NPI 1871860007) is an individual nurse practitioner in American Canyon, California, licensed in California (20448) and active in the NPI registry since November 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871860007
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. JEAN SILAGAN UNAJANCredential: NURSE PRACTITIONER
Location Address60 PALAZZO WAYAmerican Canyon, CA 94503-1433
Mailing Address2201 Courage DrFairfield, CA 94533-6733 · (707) 784-2010
Phone(707) 980-7016
Sole ProprietorYes
Enumeration DateNovember 16, 2011
Last NPPES UpdateDecember 16, 2015
✔ NPI 1871860007 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 20448
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
60 PALAZZO WAY, American Canyon, CA 94503
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Jean Silagan Unajan Nurse Practitioner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Jean Unajan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Department Of State Hospitals
8.5 mi
Psychiatric Hospital
2100 NAPA VALLEJO HWY
Napa, CA 94558
  • Reassigned Medicare billing, California enrollment
  • 755 clinicians in this Medicare group
NPI 1326098161 (707) 253-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94503 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
$98.97 typical visit price
range $65.08 – $192.16
Typical copayment $24.74 (range $16.27 – $48.04)
Most-billed visit code 99203
Established Patient
$113.15 typical visit price
range $21.86 – $157.83
Typical copayment $28.28 (range $5.46 – $39.45)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Jean Unajan's NPI number?

The NPI number for Jean Unajan is 1871860007. It was assigned to this individual provider in the NPPES registry on November 16, 2011.

Where is Jean Unajan located?

Jean Unajan practices at 60 Palazzo Way, American Canyon, CA 94503. The listed phone number is (707) 980-7016.

What is Jean Unajan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Jean Unajan enrolled in Medicare?

Yes. Jean Unajan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jean Unajan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jean Unajan reassigns Medicare benefits to Department Of State Hospitals (Napa, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jean Unajan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jean Unajan was last updated on December 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.