Charlene Karls, DO
NPI 1013024546 · Family Medicine Physician · Twin Lakes, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlene Karls, DO is a Family Medicine Physician provider in Twin Lakes, WI (NPI 1013024546).
Provider details
- NPI number
- 1013024546
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 31455 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
952 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 | 294 | $119 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 269 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 125 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $85 |
| Administration of Influenza Virus VaccineG0008 | 51 | $30 |
| Admn Sarscov2 Vacc 1 Dose90480 | 35 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 380 | 101 |
| Amlodipine Besylate | 336 | 97 |
| Levothyroxine Sodium | 249 | 66 |
| Rosuvastatin Calcium | 227 | 63 |
| Losartan Potassium | 173 | 51 |
| Metoprolol Succinate | 173 | 43 |
| Simvastatin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2024-10-03
- Certified
- 2024-10-03
Frequently asked questions
- What is Charlene Karls's NPI number?
- Charlene Karls's National Provider Identifier (NPI) is 1013024546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlene Karls's specialty?
- Charlene Karls is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charlene Karls located?
- Charlene Karls's practice location on file with NPPES is 700 N Lake Ave Ste 102, Twin Lakes, WI 53181-9436.
- What is Charlene Karls's phone number?
- The practice phone number listed in the NPPES registry for Charlene Karls is (262) 877-2124.
- Does Charlene Karls accept Medicare?
- Charlene Karls is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlene Karls's NPI active?
- Yes — Charlene Karls's NPI (1013024546) is active in the NPPES registry as of the last update on 2024-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.