Karen Kiefer, APN
NPI 1194297978 · Gerontology Nurse Practitioner · Kenilworth, NJ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Kiefer, APN is a Gerontology Nurse Practitioner provider in Kenilworth, NJ (NPI 1194297978).
Provider details
- NPI number
- 1194297978
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 26NJ00872700 (NJ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
7 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
1,039 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 615 | $96 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 196 | $118 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 61 | $137 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 59 | $98 |
| Advance Care Planning, First 30 Minutes99497 | 41 | $67 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 47 |
| Gabapentin | 40 |
| Mirtazapine | 29 |
| Furosemide | 28 |
| Potassium Chloride | 20 |
| Levothyroxine Sodium | 19 |
| Olanzapine | 17 |
| Tamsulosin Hcl | 16 |
| Oxycodone Hcl | 14 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-12-18
- Last updated
- 2018-12-18
Frequently asked questions
- What is Karen Kiefer's NPI number?
- Karen Kiefer's National Provider Identifier (NPI) is 1194297978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Kiefer's specialty?
- Karen Kiefer is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Kiefer located?
- Karen Kiefer's practice location on file with NPPES is 657 Newark Ave, Kenilworth, NJ 07033-1652.
- What is Karen Kiefer's phone number?
- The practice phone number listed in the NPPES registry for Karen Kiefer is (908) 477-3047.
- Does Karen Kiefer accept Medicare?
- Karen Kiefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Kiefer's NPI active?
- Yes — Karen Kiefer's NPI (1194297978) is active in the NPPES registry as of the last update on 2018-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.