MS. KAREN ELAINE JOHNSON MA, MSN, APRN, CNP,
NPI 1720296916
Nurse Practitioner - Family in Wakefield, RI

Q: What is Karen Johnson's NPI number?

The NPI number for Karen Johnson is 1720296916. It was assigned to this individual provider in the NPPES registry on May 19, 2007.

Q: What is Karen Johnson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Karen Johnson was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 19, 2007PECOS EnrolledAccepts Medicare Assignment

481 KINGSTOWN RD, WAKEFIELD, RI 02879(401) 789-0283(401) 789-0314 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 10, 2025, Apr 9, 2024, Feb 3, 2021 (3 updates tracked since 2021).

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About Ms. Karen Elaine Johnson Ma, Msn, Aprn, Cnp, NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. KAREN ELAINE JOHNSON MA, MSN, APRN, CNP, (NPI 1720296916) is an individual family provider in Wakefield, Rhode Island, licensed in Rhode Island (CAPRN00318) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with South County Hospital Inc, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1720296916

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMS. KAREN ELAINE JOHNSONCredential: MA, MSN, APRN, CNP,

Location Address481 KINGSTOWN RDWakefield, RI 02879-3626

Mailing Address40 Table Rock RdWakefield, RI 02879-1825 · (401) 714-8079

Phone(401) 789-0283

Fax(401) 789-0314

Sole ProprietorNo

Medical School CMSOtherGraduated 2009

Enumeration DateMay 19, 2007

Last NPPES UpdateJuly 10, 20253 updates tracked since enumeration

NPPES CertifiedJuly 10, 2025

✔ NPI 1720296916 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in RI · CAPRN00318

Also ListedRegistered Nurse · Diabetes EducatorTaxonomy 163WD0400X · License RN18416 (RI)

481 KINGSTOWN RD, Wakefield, RI 02879

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Other Identifiers 1

MedicaidKJ78814RI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Karen Elaine Johnson Ma, Msn, Aprn, Cnp, is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628248887

PECOS Enrollment IDI20110825000026

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

South County Hospital Inc

Acute Care Hospitals · Wakefield, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410008

Location100 Kenyon AveWakefield, RI 02879 · Washington County

Emergency services Birthing friendly

The Miriam Hospital

Acute Care Hospitals · Providence, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410012

Location164 Summit AvenueProvidence, RI 02906 · Providence County

Emergency services

Westerly Hospital

Acute Care Hospitals · Westerly, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410013

Location25 Wells StreetWesterly, RI 02891 · Washington County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02879 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.48 typical visit price

range $58.57 – $177.03

Typical copayment $22.62 (range $14.64 – $44.25)

Most-billed visit code 99203

Established Patient

$103.10 typical visit price

range $18.92 – $144.38

Typical copayment $25.77 (range $4.73 – $36.09)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

2 suppliers13 claims29 services$6.14 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ULANA V. FARMER M.D.

Internal Medicine