Karen B. Renstrom, APRN
Nurse Practitioner · Hartford, CT
Karen B. Renstrom, APRN is a nurse practitioner with a practice address in Hartford, Connecticut, and NPI 1457437428, issued on Oct 31, 2006. Check the license (Connecticut 003134, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen B. Renstrom
- Credential
- APRN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 003134 CT
Self-reported in NPPES; status is on the state search - Practice location
- 80 Seymour Street, Hartford, CT 06102
- Phone
- (860) 545-5200
- Enumerated
- Oct 31, 2006
- Record last updated
- Feb 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050317000578); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 922 in Connecticut → Look up another NPI →
Also registered at 80 Seymour Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen B. Renstrom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 003134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 86.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Hartford HospitalHartford, CT · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Karen B. Renstrom among 922 nurse practitioner records in Connecticut
Karen B. Renstrom, APRN is one of 922 nurse practitioner records with a practice address in Connecticut. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 78% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2004 · median 2018 among the 522 with a school on file
- Record last updated2008 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 nurse practitioner records list a practice address in Hartford
They are 98 of the 6,317 NPPES records with a practice address in Hartford, and 922 nurse practitioner records in Connecticut.
All 922 in Connecticut → Every provider in Hartford → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Kim Alleman, APRNHartford, CT 061021922106053
- Tricia Caron, APRNHartford, CT 061021457659179
- Nancy Erman, A.P.R.N.Hartford, CT 061021043515893
- Geriann Gallagher, APRNHartford, CT 061021689675423
- Kristen Guida, APRNHartford, CT 061021063745792
- Paul Kamuzora, APRNHartford, CT 061021801048335
- Oya Olgac, APRNHartford, CT 061021407194301
- Diane Prado, APRNHartford, CT 061021477894772
Common questions
What is Karen B. Renstrom, APRN's NPI number?
Karen B. Renstrom, APRN's National Provider Identifier (NPI) is 1457437428, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen B. Renstrom, APRN located?
The NPPES record lists a practice address at 80 Seymour Street, Hartford, CT, 06102. Phone: (860) 545-5200. Providers update this record themselves, so call before visiting.
How can I verify Karen B. Renstrom, APRN's license?
NPPES lists Connecticut license number 003134, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
What is Karen B. Renstrom, APRN's MIPS final score?
The 2023 MIPS final score is 86.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.