Doctor profile · Federal record

Dr. Karen Appiah, M.D

Family Medicine Physician (CMS: Family Practice) · Hospitalist Physician · Internal Medicine Physician · Family Medicine Physician · Trenton, NJ

  • NPI 1427390434
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
750 Brunswick Ave
Trenton, NJ 086384143
(609) 394-6000
Additional location
111 Continental Dr
Newark, DE 197134306
(302) 368-2630
Additional location
1203 Langhorne Newtown RD Ste 226
Langhorne, PA 190471224
(215) 710-4460
fax (215) 710-4465
Show 1 more location
Additional location
1 Capital Way
Pennington, NJ 085342520
(609) 303-4000
Mailing address
41 University Dr Ste 300
Newtown, PA 189401873

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
October 2, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (3)
New Jersey #25MA11769800 · Pennsylvania #MD460401 · Delaware #C1-0011843

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427390434. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,050
Distinct HCPCS
5
Medicare allowed
$120,445
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 402 211 $122
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 322 203 $81
99239 Hospital discharge day management, more than 30 minutes 198 192 $118
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 115 113 $179
99238 Hospital discharge day management, 30 minutes or less 13 13 $83

In context: peer comparison

Among 5 peers in this city , average services per provider: 113. This provider delivers 9.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$49
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $30.72
PFIZER INC. 1 $17.83

By nature of payment

Food and Beverage
$49

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
266
Patients
109
Total drug cost
$2,300
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 41 14 $248
Atorvastatin Calcium Generic 37 11 $247
Metoprolol Tartrate Generic 25 0 $182
Clopidogrel (Clopidogrel Bisulfate) Brand 23 0 $210
Metoprolol Succinate Generic 21 0 $187
Cephalexin Generic 20 20 $96
Pantoprazole Sodium Generic 18 16 $190
Oxcarbazepine Generic 17 0 $275
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 14 11 $344
Furosemide Generic 14 13 $43

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Appiah's medical specialty?
Dr. Karen Appiah practices Family Medicine Physician in Trenton, NJ.
Where does Dr. Karen Appiah practice?
Dr. Karen Appiah practices at 750 Brunswick Ave, Trenton, NJ 086384143. Office phone: 6093946000.
What is Dr. Karen Appiah's NPI?
Dr. Karen Appiah's National Provider Identifier (NPI) is 1427390434, issued by NPPES.
Does Dr. Karen Appiah accept Medicare assignment?
Yes. Dr. Karen Appiah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Appiah commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.