MELISSA JUNE ZEREBKO MOSSAR ARNP, DNP
NPI 1790158376
Nurse Practitioner - Family in Seattle, WA

Active since November 04, 2015PECOS EnrolledAccepts Medicare Assignment
1455 NW LEARY WAY STE 250, SEATTLE, WA 98107(206) 520-5000 Get Directions Write a Review

NPPES record last updated: January 12, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 12, 2023, Feb 24, 2020 (2 updates tracked since 2020).

About Melissa June Zerebko Mossar Arnp, Dnp NPPES

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

MELISSA JUNE ZEREBKO MOSSAR ARNP, DNP (NPI 1790158376) is an individual family provider in Seattle, Washington, licensed in Washington (AP61310279) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1790158376
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMELISSA JUNE ZEREBKO MOSSARCredential: ARNP, DNP
Location Address1455 NW LEARY WAY STE 250Seattle, WA 98107-5138
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateNovember 4, 2015
Last NPPES UpdateJanuary 12, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2023
NPI 1790158376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in WA · AP61310279
Also ListedNurse PractitionerTaxonomy 363L00000X · License AP61310279 (WA)
1455 NW LEARY WAY STE 250, Seattle, WA 98107

Secondary Practice Location 1

Location 1747 BroadwaySeattle, WA 98122-4379 · Phone (206) 386-6000

Other Identifiers 1

Medicaid1790158376WA

Accepted Insurance

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

Melissa June Zerebko Mossar Arnp, Dnp 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 ID2860863636
PECOS Enrollment IDI20230116000151
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.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
161 services109 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
85 services71 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
32 services32 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services22 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
21 services19 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Tacoma General Allenmore Hospital

Acute Care Hospitals · Tacoma, WA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500129
Location315 S Mlk Jr WayTacoma, WA 98405 · Pierce County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98107 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.

Other Providers at the Same Location NPPES 14

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

Social Worker (Clinical)
1455 NW LEARY WAY STE 250
SEATTLE, WA 98107
Family Medicine
1455 NW LEARY WAY STE 250
SEATTLE, WA 98107
Internal Medicine
1455 NW LEARY WAY STE 250
SEATTLE, WA 98107
Nurse Practitioner (Family)
1455 NW LEARY WAY STE 250
SEATTLE, WA 98107
Nurse Practitioner (Family)
1455 NW LEARY WAY STE 250
SEATTLE, WA 98107
Nurse Practitioner (Family)
1455 NW LEARY WAY STE 250
SEATTLE, WA 98107
Obstetrics & Gynecology
1455 NW LEARY WAY STE 250
SEATTLE, WA 98107
Social Worker (Clinical)
1455 NW LEARY WAY STE 250
SEATTLE, WA 98107

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 Melissa Mossar's NPI number?

The NPI number for Melissa Mossar is 1790158376. It was assigned to this individual provider in the NPPES registry on November 4, 2015.

Where is Melissa Mossar located?

Melissa Mossar practices at 1455 NW Leary Way Ste 250, Seattle, WA 98107. The listed phone number is (206) 520-5000.

What is Melissa Mossar's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Melissa Mossar enrolled in Medicare?

Yes. Melissa Mossar 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.

What insurance does Melissa Mossar accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Melissa Mossar 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.

Is Melissa Mossar affiliated with any hospitals?

According to CMS data, Melissa Mossar is affiliated with University Of Washington Medical Ctr and Tacoma General Allenmore Hospital.

When was this NPI record last updated?

The NPPES record for Melissa Mossar was last updated on January 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.