Doctor profile · Federal record

Dr. Karen Guadagnini, MD

Internal Medicine Physician · Addiction Medicine (Internal Medicine) Physician · Bristol, CT

  • NPI 1316934185
  • 21 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
102 North St
Bristol, CT 060104190
(860) 314-2082
fax (860) 314-8133
Mailing address
Po Box 2828
Bristol, CT 060112828

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
February 22, 2011
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #034917
Medicaid
CT #001349176

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316934185. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,515
Distinct HCPCS
3
Medicare allowed
$123,053
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,288 335 $80
99238 Hospital discharge day management, 30 minutes or less 192 172 $82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 35 35 $131

In context: peer comparison

Among 8 peers in this city , average services per provider: 100. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$118
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $118.30

By nature of payment

Food and Beverage
$118

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
265
Patients
191
Total drug cost
$5,563
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 43 22 $809
Clonidine Hcl Generic 41 35 $497
Cyclobenzaprine Hcl Generic 41 33 $636
Hydroxyzine Hcl Generic 34 26 $1,043
Ibuprofen Generic 34 28 $618
Omeprazole Generic 23 14 $444
Nifedipine Er (Nifedipine) Brand 14 11 $278
Trazodone Hcl Generic 13 11 $151
Acamprosate Calcium Generic 11 0 $752
Baclofen Generic 11 11 $335

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Guadagnini's medical specialty?
Dr. Karen Guadagnini practices Internal Medicine Physician in Bristol, CT.
Where does Dr. Karen Guadagnini practice?
Dr. Karen Guadagnini practices at 102 North St, Bristol, CT 060104190. Office phone: 8603142082.
What is Dr. Karen Guadagnini's NPI?
Dr. Karen Guadagnini's National Provider Identifier (NPI) is 1316934185, issued by NPPES.
What procedures does Dr. Karen Guadagnini commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.