Margaret Karwecki, N.P.
NPI 1457658072 · Acute Care Nurse Practitioner · Torrance, CA
Margaret Karwecki, N.P. is a Acute Care Nurse Practitioner provider in Torrance, CA (NPI 1457658072).
Provider details
- NPI number
- 1457658072
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 424756 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$769 across 39 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-02-16
- Last updated
- 2011-02-16
Frequently asked questions
- What is Margaret Karwecki's NPI number?
- Margaret Karwecki's National Provider Identifier (NPI) is 1457658072, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Karwecki's specialty?
- Margaret Karwecki is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Karwecki located?
- Margaret Karwecki's practice location on file with NPPES is 4201 Torrance Blvd, Torrance, CA 90503-4504.
- What is Margaret Karwecki's phone number?
- The practice phone number listed in the NPPES registry for Margaret Karwecki is (310) 792-5800.
- Is Margaret Karwecki's NPI active?
- Yes — Margaret Karwecki's NPI (1457658072) is active in the NPPES registry as of the last update on 2011-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.