Registry data as of Aug 27, 2026

Karen Renstrom, APRN

Nurse Practitioner · Hartford, CT

Karen 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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1457437428
Name
Karen 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 80 Seymour Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lincoln Abbott, MDEmergency Medicine Physician1518965433
  2. Marie Achong, M.D.Obstetrics & Gynecology Physician1700806213
  3. Allison Adajian, PA-CSurgical Physician Assistant1619129582
  4. Clark Adams, PA-CPhysician Assistant1245329457
  5. Swetha Ade, M.D.Epilepsy Physician1801155296
  6. Ross Albert, MDHospice and Palliative Medicine (Family Medicine) Physician1124291448

Verify Karen Renstrom in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 003134
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

The practice group's Medicare quality score for 2023: 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.

  1. Qualityout of 100 · 30% of the final score82.0
  2. Costout of 100 · 30%43.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. 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.

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.

Other nurse practitioner records in Connecticut

  1. Manju Abraham, APRNFarmington, CT1356824742
  2. Charles AdamsTorrington, CT1801930755
  3. Nicholas Adams, NPDerby, CT1093599979
  4. Mallory Akin, APRNAvon, CT1467238162
  5. Arifa AlamNew Haven, CT1215602115
  6. Gloriann Albini, APRNTrumbull, CT1730134107
  7. Annel Alcantara, NPBridgeport, CT1922838630
  8. Joshua Alderman, APRNMiddletown, CT1639622962
  9. Taylor Alessi, DNPBranford, CT1407553217
  10. Nicole Alex, APRNHartford, CT1497424527

Common questions

What is Karen Renstrom, APRN's NPI number?

Karen 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 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 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 Renstrom, APRN's Medicare quality 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), loaded Aug 27, 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) 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 27, 2026.