Karen Johnston
NPI 1962999433 · Family Nurse Practitioner · Skagway, AK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Johnston is a Family Nurse Practitioner provider in Skagway, AK (NPI 1962999433).
Provider details
- NPI number
- 1962999433
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 037591-23 (NH)
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
8 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
640 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 | 140 | $109 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 119 | $140 |
| X-Ray of Chest, 2 Views71046 | 71 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $77 |
| Automated Urinalysis Test81003 | 69 | $2 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 58 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 42 | 41 |
| Doxycycline Hyclate | 38 | 38 |
| Azithromycin | 31 | 31 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 23 | 23 |
| Prednisone | 22 | 22 |
| Cephalexin | 22 | 22 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-19
- Last updated
- 2018-04-19
Frequently asked questions
- What is Karen Johnston's NPI number?
- Karen Johnston's National Provider Identifier (NPI) is 1962999433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Johnston's specialty?
- Karen Johnston is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Johnston located?
- Karen Johnston's practice location on file with NPPES is 350 14th Avenue, Skagway, AK 99840.
- What is Karen Johnston's phone number?
- The practice phone number listed in the NPPES registry for Karen Johnston is (907) 983-2255.
- Does Karen Johnston accept Medicare?
- Karen Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Johnston's NPI active?
- Yes — Karen Johnston's NPI (1962999433) is active in the NPPES registry as of the last update on 2018-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.