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KAREN KIEFER APN
NPI 1194297978
Nurse Practitioner - Gerontology in Kenilworth, NJ

Active since December 18, 2018PECOS Enrolled
657 NEWARK AVE, KENILWORTH, NJ 07033(908) 477-3047 Get Directions Write a Review

NPPES record last updated: December 18, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Karen Kiefer Apn NPPES

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

KAREN KIEFER APN (NPI 1194297978) is an individual gerontology provider in Kenilworth, New Jersey, licensed in New Jersey (26NJ00872700) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194297978
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameKAREN KIEFERCredential: APN
Location Address657 NEWARK AVEKenilworth, NJ 07033-1652
Mailing Address657 Newark AveKenilworth, NJ 07033-1652 · (908) 477-3047
Phone(908) 477-3047
Sole ProprietorNo
Enumeration DateDecember 18, 2018
✔ NPI 1194297978 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in NJ · 26NJ00872700
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 26NJ00872700 (NJ)
657 NEWARK AVE, Kenilworth, NJ 07033
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen Kiefer Apn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Karen Kiefer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Barnabas Health Medical Group PC
3.9 mi
Specialist
225 WILLIAMSON ST
Elizabeth, NJ 07202
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,894 clinicians in this Medicare group
NPI 1841557246 (888) 724-7123
Barnabas Health Medical Group, PC
6.2 mi
Specialist
95 OLD SHORT HILLS RD
West Orange, NJ 07052
  • Reassigned Medicare billing, New Jersey enrollment
  • 757 clinicians in this Medicare group
NPI 1447206420 (888) 724-7123
Bridgecare Provider Group LLC
20 mi
Primary Care
493 BLACK OAK RIDGE RD
Wayne, NJ 07470
  • Reassigned Medicare billing, New Jersey enrollment
  • 33 clinicians in this Medicare group
NPI 1164148672 (973) 692-9500

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

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
615 services178 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
196 services195 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
61 services45 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
59 services19 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
41 services31 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
36 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07033 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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
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.

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 Kiefer's NPI number?

The NPI number for Karen Kiefer is 1194297978. It was assigned to this individual provider in the NPPES registry on December 18, 2018.

Where is Karen Kiefer located?

Karen Kiefer practices at 657 Newark Ave, Kenilworth, NJ 07033. The listed phone number is (908) 477-3047.

What is Karen Kiefer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Karen Kiefer enrolled in Medicare?

Yes. Karen Kiefer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Karen Kiefer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Kiefer reassigns Medicare benefits to 3 organizations: Barnabas Health Medical Group PC (Elizabeth, NJ), Barnabas Health Medical Group, PC (West Orange, NJ) and Bridgecare Provider Group LLC (Wayne, NJ). 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 Kiefer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Kiefer accept?

Health plans from Oscar Health list Karen Kiefer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Karen Kiefer was last updated on December 18, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.