Karen Jeffrey, NP
NPI 1861593428 · Adult Health Nurse Practitioner · Fairhaven, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Jeffrey, NP is a Adult Health Nurse Practitioner provider in Fairhaven, MA (NPI 1861593428).
Provider details
- NPI number
- 1861593428
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 212305 (MA)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,348 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 657 | $97 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 325 | $67 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 136 | $138 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $115 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 | 53 | $118 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 74 | 30 |
| Warfarin Sodium | 60 | — |
| Potassium Chloride | 49 | 17 |
| Omeprazole | 46 | 21 |
| Amlodipine Besylate | 44 | 23 |
| Fluticasone Propionate | 40 | 21 |
| Lisinopril | 36 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$141 across 4 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
Registry dates
- Enumerated
- 2006-09-26
- Last updated
- 2020-04-22
- Certified
- 2020-04-22
Frequently asked questions
- What is Karen Jeffrey's NPI number?
- Karen Jeffrey's National Provider Identifier (NPI) is 1861593428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Jeffrey's specialty?
- Karen Jeffrey is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Jeffrey located?
- Karen Jeffrey's practice location on file with NPPES is 200 Mill Rd, Fairhaven, MA 02719-5252.
- What is Karen Jeffrey's phone number?
- The practice phone number listed in the NPPES registry for Karen Jeffrey is (508) 973-0857.
- Does Karen Jeffrey accept Medicare?
- Karen Jeffrey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Jeffrey's NPI active?
- Yes — Karen Jeffrey's NPI (1861593428) is active in the NPPES registry as of the last update on 2020-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.