Karen Dykes, ARNP
NPI 1285868984 · Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Dykes, ARNP is a Nurse Practitioner provider in Seattle, WA (NPI 1285868984).
Provider details
- NPI number
- 1285868984
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP60085898 (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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
298 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 | 220 | $113 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 34 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 33 | $69 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 11 | $80 |
Typical Medicare-allowed amounts for these services range $69–$114 (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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 125 | 16 |
| Amoxicillin | 58 | 11 |
| Dolutegravir Sodiumbrand: Tivicay | 33 | — |
| Cephalexin | 32 | 13 |
| Doxycycline Hyclate | 29 | 16 |
| Estradiolbrand: Estring | 28 | — |
| Atorvastatin Calcium | 25 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-08
- Last updated
- 2025-07-31
- Certified
- 2025-07-31
Frequently asked questions
- What is Karen Dykes's NPI number?
- Karen Dykes's National Provider Identifier (NPI) is 1285868984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Dykes's specialty?
- Karen Dykes is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Dykes located?
- Karen Dykes's practice location on file with NPPES is 1959 Ne Pacific St, Seattle, WA 98195-0001.
- What is Karen Dykes's phone number?
- The practice phone number listed in the NPPES registry for Karen Dykes is (206) 520-5000.
- Does Karen Dykes accept Medicare?
- Karen Dykes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Dykes's NPI active?
- Yes — Karen Dykes's NPI (1285868984) is active in the NPPES registry as of the last update on 2025-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.