Karen Ducharme, APRN, NP-C
NPI 1801109541 · Family Nurse Practitioner · Concord, NH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Ducharme, APRN, NP-C is a Family Nurse Practitioner provider in Concord, NH (NPI 1801109541).
Provider details
- NPI number
- 1801109541
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 047847-23 (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
15 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
552 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 | $81 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 136 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $56 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 67 | $111 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 61 | $129 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 107 | 33 |
| Atorvastatin Calcium | 103 | 29 |
| Losartan Potassium | 92 | 26 |
| Simvastatin | 78 | 23 |
| Lisinopril | 77 | 24 |
| Levothyroxine Sodium | 75 | 21 |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-22
- Last updated
- 2010-07-22
Frequently asked questions
- What is Karen Ducharme's NPI number?
- Karen Ducharme's National Provider Identifier (NPI) is 1801109541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Ducharme's specialty?
- Karen Ducharme is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Ducharme located?
- Karen Ducharme's practice location on file with NPPES is 18 Foundry St, Concord, NH 03301-5421.
- What is Karen Ducharme's phone number?
- The practice phone number listed in the NPPES registry for Karen Ducharme is (603) 228-0071.
- Does Karen Ducharme accept Medicare?
- Karen Ducharme is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Ducharme's NPI active?
- Yes — Karen Ducharme's NPI (1801109541) is active in the NPPES registry as of the last update on 2010-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.