Doctor profile · Federal record

Dr. Karen Koenig, APRN

Nurse Practitioner · Adult Health Nurse Practitioner · Hartford, CT

  • NPI 1659712610
  • Accepts Medicare
  • MIPS 81.7 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Retreat Ave Ste 811
Hartford, CT 061062528
(860) 522-5712
fax (860) 548-0031

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
November 18, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Connecticut #5385

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659712610. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
801
Distinct HCPCS
6
Medicare allowed
$60,370
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 271 207 $115
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 260 209 $13
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 128 72 $106
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 82 54 $70
99213 Established patient office or other outpatient visit, 20-29 minutes 39 38 $80
99215 Established patient office or other outpatient visit, 40-54 minutes 21 20 $162

In context: peer comparison

Among 21 peers in this city , average services per provider: 62. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$448
Transactions
13
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 1 $136.74
AstraZeneca Pharmaceuticals LP 5 $112.31
Phathom Pharmaceuticals, Inc. 1 $52.71
Novartis Pharmaceuticals Corporation 2 $50.37
Abbott Laboratories 2 $48.47
Novo Nordisk Inc 1 $23.87
E.R. Squibb & Sons, L.L.C. 1 $23.47

By nature of payment

Food and Beverage
$448

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,792
Patients
854
Total drug cost
$305,613
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 281 136 $6,651
Atorvastatin Calcium Generic 220 107 $3,283
Losartan Potassium Generic 167 76 $2,637
Amlodipine Besylate Generic 159 75 $1,367
Eliquis (Apixaban) Brand 138 64 $187,893
Rosuvastatin Calcium Generic 130 63 $3,058
Spironolactone Generic 117 60 $1,677
Furosemide Generic 99 55 $809
Torsemide Generic 98 41 $3,310
Lisinopril Generic 87 37 $801

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Koenig's medical specialty?
Dr. Karen Koenig practices Nurse Practitioner in Hartford, CT.
Where does Dr. Karen Koenig practice?
Dr. Karen Koenig practices at 100 Retreat Ave Ste 811, Hartford, CT 061062528. Office phone: 8605225712.
What is Dr. Karen Koenig's NPI?
Dr. Karen Koenig's National Provider Identifier (NPI) is 1659712610, issued by NPPES.
Does Dr. Karen Koenig accept Medicare assignment?
Yes. Dr. Karen Koenig accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Koenig commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.