Melissa Mossar, ARNP, DNP
NPI 1790158376 · Family Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Mossar, ARNP, DNP is a Family Nurse Practitioner provider in Seattle, WA (NPI 1790158376).
Provider details
- NPI number
- 1790158376
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP, DNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP61310279 (WA)
Specialties & taxonomies
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 tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
507 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 161 | $119 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 123 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 85 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 32 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $85 |
| Hemoglobin A1c Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 85 | 27 |
| Losartan Potassium | 58 | 15 |
| Levothyroxine Sodium | 57 | 17 |
| Gabapentin | 44 | 20 |
| Lisinopril | 30 | 12 |
| Oxycodone Hcl | 26 | — |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 747 BroadwaySeattle, WA 98122-4379Phone: (206) 386-6000
Registry dates
- Enumerated
- 2015-11-04
- Last updated
- 2023-01-12
- Certified
- 2023-01-12
Frequently asked questions
- What is Melissa Mossar's NPI number?
- Melissa Mossar's National Provider Identifier (NPI) is 1790158376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Mossar's specialty?
- Melissa Mossar is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Mossar located?
- Melissa Mossar's practice location on file with NPPES is 1455 Nw Leary Way Ste 250, Seattle, WA 98107-5138.
- What is Melissa Mossar's phone number?
- The practice phone number listed in the NPPES registry for Melissa Mossar is (206) 520-5000.
- Does Melissa Mossar accept Medicare?
- Melissa Mossar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Mossar's NPI active?
- Yes — Melissa Mossar's NPI (1790158376) is active in the NPPES registry as of the last update on 2023-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.