MRS. SONIA L NIKOLOVA ARNP
NPI 1164747200
Nurse Practitioner - Psychiatric/Mental Health in Seattle, WA

Q: What is Sonia Nikolova's NPI number?

The NPI number for Sonia Nikolova is 1164747200. It was assigned to this individual provider in the NPPES registry on April 1, 2010.

Q: What is Sonia Nikolova's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: Is Sonia Nikolova enrolled in Medicare?

No. Sonia Nikolova has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Sonia Nikolova was last updated on April 1, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since April 01, 2010Opted out of Medicare · through Apr 1, 2027

2106 2ND AVE, SUITE 100, SEATTLE, WA 98121(206) 441-3043 Get Directions Write a Review

NPPES record last updated: April 1, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mrs. Sonia L Nikolova Arnp NPPES

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

MRS. SONIA L NIKOLOVA ARNP (NPI 1164747200) is an individual psychiatric/mental health provider in Seattle, Washington, licensed in Washington (AP60138724) and active in the NPI registry since April 2010. She has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1164747200

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameMRS. SONIA L NIKOLOVACredential: ARNP

Location Address2106 2ND AVE, SUITE 100Seattle, WA 98121-2215

Mailing Address222 E Hamlin St, Apt 3Seattle, WA 98102-3142 · (206) 660-0417

Phone(206) 441-3043

Sole ProprietorNo

Enumeration DateApril 1, 2010

✔ NPI 1164747200 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in WA · AP60138724

Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License AP60138724 (WA)

2106 2ND AVE, Seattle, WA 98121

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Other Identifiers 1

OtherAP60138724WA · Washington State Department Of Health

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Mrs. Sonia L Nikolova Arnp has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2017 through April 1, 2027.

Opt-Out Effective DateApril 1, 2017

Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98121 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

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

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 Sonia Nikolova's NPI number?

The NPI number for Sonia Nikolova is 1164747200. It was assigned to this individual provider in the NPPES registry on April 1, 2010.

Where is Sonia Nikolova located?

Sonia Nikolova practices at 2106 2nd Ave Suite 100, Seattle, WA 98121. The listed phone number is (206) 441-3043.

What is Sonia Nikolova's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Sonia Nikolova enrolled in Medicare?

No. Sonia Nikolova has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Sonia Nikolova accept?

Health plans from PacificSource Health Plans and Premera Blue Cross Blue Shield of Alaska list Sonia Nikolova as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sonia Nikolova was last updated on April 1, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.