Joanna Fesler, ARNP
NPI 1942240601 · Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Fesler, ARNP is a Nurse Practitioner provider in Seattle, WA (NPI 1942240601).
Provider details
- NPI number
- 1942240601
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP30007014 (WA)
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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
311 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 189 | $87 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $59 |
| Biopsy and Aspiration of Bone Marrow Sample for Diagnosis38222 | 29 | $66 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 18 | $130 |
Typical Medicare-allowed amounts for these services range $59–$130 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dexamethasone | 42 | 15 |
| Acyclovir | 36 | 14 |
| Potassium Chloride | 17 | — |
| Levofloxacin | 15 | 11 |
| Pomalidomidebrand: Pomalyst | 12 | — |
| Gabapentin | 12 | — |
| Lenalidomide | 11 | 11 |
| Hydroxyurea | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$194 across 5 records (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
Additional practice locations (1)
- 515 Minor Ave Ste 300Seattle, WA 98104-2133Phone: (206) 386-9500Fax: (206) 386-9648
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2021-03-05
- Certified
- 2021-03-05
Frequently asked questions
- What is Joanna Fesler's NPI number?
- Joanna Fesler's National Provider Identifier (NPI) is 1942240601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Fesler's specialty?
- Joanna Fesler is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joanna Fesler located?
- Joanna Fesler's practice location on file with NPPES is 10631 Eighth Ave Ne, Seattle, WA 98125-7298.
- What is Joanna Fesler's phone number?
- The practice phone number listed in the NPPES registry for Joanna Fesler is (206) 364-2050.
- Does Joanna Fesler accept Medicare?
- Joanna Fesler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Fesler's NPI active?
- Yes — Joanna Fesler's NPI (1942240601) is active in the NPPES registry as of the last update on 2021-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.