Doctor profile · Federal record

Dr. Karen Stephenson, MD

Emergency Medicine Physician (CMS: Internal Medicine) · Emergency Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Hoboken, NJ

  • NPI 1770531873
  • Accepts Medicare
  • 31 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
231 Washington St
Hoboken, NJ 070307221
(201) 754-1006
Additional location
350 Boulevard
Passaic, NJ 070552840
(973) 365-4300
Additional location
88 High St
Montclair, NJ 070422415
(917) 913-3578
fax (732) 937-5358
Mailing address
88 High St
Montclair, NJ 070422415

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 4, 2025
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
New Jersey #25MA07917900 · New York #215077
Medicaid
NY #02184370

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770531873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
96
Distinct HCPCS
3
Medicare allowed
$11,655
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 43 40 $125
99285 Emergency department visit with high level of medical decision making 33 33 $186
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 20 20 $7

In context: peer comparison

Among 11 peers in Hoboken Emergency Medicine Physician, average services per provider: 57. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
13
Total drug cost
$84
Drug Type Claims Patients Total cost
Cephalexin Generic 13 13 $84

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Stephenson's medical specialty?
Dr. Karen Stephenson practices Emergency Medicine Physician in Hoboken, NJ.
Where does Dr. Karen Stephenson practice?
Dr. Karen Stephenson practices at 231 Washington St, Hoboken, NJ 070307221. Office phone: 2017541006.
What is Dr. Karen Stephenson's NPI?
Dr. Karen Stephenson's National Provider Identifier (NPI) is 1770531873, issued by NPPES.
Does Dr. Karen Stephenson accept Medicare assignment?
Yes. Dr. Karen Stephenson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Stephenson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042). Source: CMS Medicare Physician & Other Practitioners file.