Doctor profile · Federal record

Dr. Karen Renstrom, APRN

Nurse Practitioner · Hartford, CT

  • NPI 1457437428
  • Accepts Medicare
  • MIPS 77.5 / 100 · 2023
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
80 Seymour Street, Hartford Hospital Critical Care Medicine
Hartford, CT 06102
(860) 545-5200
Mailing address
Po Box 40,000 Dept 0634, Hartford Hospital Professional Services
Hartford, CT 061510634

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 26, 2008
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Connecticut #003134

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457437428. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
29
Distinct HCPCS
2
Medicare allowed
$2,108
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 16 14 $71
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 13 13 $75

In context: peer comparison

Among 21 peers in this city , average services per provider: 62. This provider delivers 0.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Renstrom's medical specialty?
Dr. Karen Renstrom practices Nurse Practitioner in Hartford, CT.
Where does Dr. Karen Renstrom practice?
Dr. Karen Renstrom practices at 80 Seymour Street, Hartford, CT 06102. Office phone: 8605455200.
What is Dr. Karen Renstrom's NPI?
Dr. Karen Renstrom's National Provider Identifier (NPI) is 1457437428, issued by NPPES.
Does Dr. Karen Renstrom accept Medicare assignment?
Yes. Dr. Karen Renstrom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Renstrom commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.