Karen Piwowar, M.D.
NPI 1114345444 · Family Medicine Physician · Edgewater, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Piwowar, M.D. is a Family Medicine Physician provider in Edgewater, NJ (NPI 1114345444).
Provider details
- NPI number
- 1114345444
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA10131600 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 31 | 16 |
| Amlodipine Besylate | 28 | 16 |
| Rosuvastatin Calcium | 23 | 12 |
| Losartan Potassium | 21 | 14 |
| Levothyroxine Sodium | 21 | 11 |
| Metoprolol Succinate | 18 | — |
| Simvastatin |
Practice location
Mailing address
Additional practice locations (1)
- 315 E Northfield RdLivingston, NJ 07039-4896Phone: (973) 436-1776Fax: (973) 582-8829
Registry dates
- Enumerated
- 2014-04-03
- Last updated
- 2026-03-19
- Certified
- 2026-03-19
Frequently asked questions
- What is Karen Piwowar's NPI number?
- Karen Piwowar's National Provider Identifier (NPI) is 1114345444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Piwowar's specialty?
- Karen Piwowar is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Piwowar located?
- Karen Piwowar's practice location on file with NPPES is 27 Edgewater Towne Ctr, Edgewater, NJ 07020-1246.
- What is Karen Piwowar's phone number?
- The practice phone number listed in the NPPES registry for Karen Piwowar is (888) 663-6331.
- Does Karen Piwowar accept Medicare?
- Karen Piwowar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Piwowar's NPI active?
- Yes — Karen Piwowar's NPI (1114345444) is active in the NPPES registry as of the last update on 2026-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.