Doctor profile · Federal record

Dr. Karen Donovan

Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Gerontology Nurse Practitioner · Old Lyme, CT

  • NPI 1154591394
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Hatchetts Hill RD
Old Lyme, CT 063711534
(800) 370-3651
fax (877) 515-7147
Additional location
1504 Taub Loop
Houston, TX 770301608
(713) 873-2000

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State licenses (2)
Connecticut #004648 · Texas #712085
Medicaid
CT #008046486

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154591394. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,450
Distinct HCPCS
6
Medicare allowed
$107,145
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 956 212 $66
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 261 118 $94
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 92 89 $71
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 75 70 $118
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 49 41 $35
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 17 13 $136

In context: peer comparison

Among 1 peers in this city , average services per provider: 241. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$33
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Neurocrine Biosciences, Inc. 2 $32.55

By nature of payment

Food and Beverage
$33

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
545
Patients
103
Total drug cost
$20,479
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 174 47 $1,763
Mirtazapine Generic 91 25 $2,461
Quetiapine Fumarate Generic 87 15 $1,689
Escitalopram Oxalate Generic 53 16 $771
Citalopram Hbr (Citalopram Hydrobromide) Brand 42 0 $241
Paliperidone Er (Paliperidone) Brand 19 0 $10,510
Paroxetine Hcl Generic 17 0 $141
Sertraline Hcl Generic 15 0 $148
Donepezil Hcl Generic 13 0 $215
Ziprasidone Hcl Generic 12 0 $1,138

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Donovan's medical specialty?
Dr. Karen Donovan practices Gerontology Nurse Practitioner in Old Lyme, CT.
Where does Dr. Karen Donovan practice?
Dr. Karen Donovan practices at 55 Hatchetts Hill RD, Old Lyme, CT 063711534. Office phone: 8003703651.
What is Dr. Karen Donovan's NPI?
Dr. Karen Donovan's National Provider Identifier (NPI) is 1154591394, issued by NPPES.
Does Dr. Karen Donovan accept Medicare assignment?
Yes. Dr. Karen Donovan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Donovan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with straightforward or low level of medical decision making (HCPCS 99304). Source: CMS Medicare Physician & Other Practitioners file.