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

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: October 18, 2026.

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

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
Open in Google Maps ↗

Other Identifiers 1

MedicaidKJ78814RI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignments

4

Medicare enrollment records show Karen Johnson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Silver Spring Health Care Management, Inc
0.7 mi
Gerontology
100 KENYON AVE
Wakefield, RI 02879
  • Reassigned Medicare billing, Rhode Island enrollment
  • 19 clinicians in this Medicare group
NPI 1184174252 (401) 788-3337
Narragansett Indian Tribe
8.8 mi
Federally Qualified Health Center (FQHC)
51 OLD MILL RD
Charlestown, RI 02813
  • Reassigned Medicare billing, Rhode Island enrollment
  • 9 clinicians in this Medicare group
NPI 1760532451 (401) 364-1268
Hopehealth Hospice & Palliative Care
29 mi
Case Management
1085 N MAIN ST
Providence, RI 02904
  • Reassigned Medicare billing, Rhode Island enrollment
  • 62 clinicians in this Medicare group
NPI 1790851590 (401) 415-4230
Vmd Primary Providers Of Rhode Island PC
37 mi
Family Medicine
106 NATE WHIPPLE HWY STE 101
Cumberland, RI 02864
  • Reassigned Medicare billing, Rhode Island enrollment
  • 33 clinicians in this Medicare group
NPI 1598341067 (401) 658-2020

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 4

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

Kent County Memorial Hospital

Acute Care Hospitals · Warwick, RI
3/5 CMS rating
OwnershipProprietary
CMS Certification Number410009
Location455 Toll Gate RdWarwick, RI 02886 · Kent 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
481 KINGSTOWN RD
WAKEFIELD, RI 02879
Washington County (401) 789-0283
TIMOTHY J O'MARA M.D.
Internal Medicine
481 KINGSTOWN RD
WAKEFIELD, RI 02879
Washington County (401) 789-0283
RIKHI J D'SOUZA DO
Internal Medicine
481 KINGSTOWN RD
WAKEFIELD, RI 02879
Washington County (401) 789-0283
SOUTH COUNTY INTERNAL MEDICINE, INC.
Internal Medicine
481 KINGSTOWN RD
WAKEFIELD, RI 02879
Washington County (401) 789-0283
MONIQUE L. POULIOT D.O.
Internal Medicine
481 KINGSTOWN RD
WAKEFIELD, RI 02879
Washington County (401) 789-0283
DR. NITIN S DAMLE MD
Internal Medicine
481 KINGSTOWN RD
WAKEFIELD, RI 02879
Washington County (401) 789-0283
JOSEPH HUNYADY-MANES NP
Nurse Practitioner
481 KINGSTOWN RD
WAKEFIELD, RI 02879
Washington County (401) 789-0283
PAUL F BARRATT M.D.
Internal Medicine
481 KINGSTOWN RD
WAKEFIELD, RI 02879
Washington County (401) 789-0283

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

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.

Where is Karen Johnson located?

Karen Johnson practices at 481 Kingstown Rd, Wakefield, RI 02879. The listed phone number is (401) 789-0283.

What is Karen Johnson's specialty?

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

Is Karen Johnson enrolled in Medicare?

Yes. Karen Johnson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Karen Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Johnson reassigns Medicare benefits to 4 organizations: Silver Spring Health Care Management, Inc (Wakefield, RI), Narragansett Indian Tribe (Charlestown, RI), Hopehealth Hospice & Palliative Care (Providence, RI) and Vmd Primary Providers Of Rhode Island PC (Cumberland, RI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Karen Johnson affiliated with any hospitals?

According to CMS data, Karen Johnson is affiliated with South County Hospital Inc, Kent County Memorial Hospital, The Miriam Hospital and Westerly Hospital.

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 15 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.