Doctor profile · Federal record

Dr. Elizabeth Callahan, Nurse Practitioner

Nurse Practitioner · Princeton, NJ

  • NPI 1841924271
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3626 Route 1
Princeton, NJ 085405922
(609) 945-3611
Mailing address
15 Enterprise CT Apt 112
Jersey City, NJ 073056405

Credentials & registration

NPPES · NUCC
NPI registered
July 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
New Jersey #26NJ01336800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841924271. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,708
Distinct HCPCS
10
Medicare allowed
$352,975
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 510 346 $69
0598T Fluorescence wound imaging for bacteria, first anatomic site 311 163 $156
97610 Therapy procedure using ultrasound 267 121 $446
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 252 208 $69
11042 Removal of skin and tissue, 20.0 sq cm or less 177 131 $119
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 119 101 $98
11042 Removal of skin and tissue, 20.0 sq cm or less 111 93 $51
0598T Fluorescence wound imaging for bacteria, first anatomic site 106 76 $155
0599T Fluorescence wound imaging for bacteria, each additional anatomic site 91 48 $104
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 88 64 $70

In context: peer comparison

Among 4 peers in Princeton Nurse Practitioner, average services per provider: 147. This provider delivers 18× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Elizabeth Callahan's medical specialty?
Dr. Elizabeth Callahan practices Nurse Practitioner in Princeton, NJ.
Where does Dr. Elizabeth Callahan practice?
Dr. Elizabeth Callahan practices at 3626 Route 1, Princeton, NJ 085405922. Office phone: 6099453611.
What is Dr. Elizabeth Callahan's NPI?
Dr. Elizabeth Callahan's National Provider Identifier (NPI) is 1841924271, issued by NPPES.
Does Dr. Elizabeth Callahan accept Medicare assignment?
Yes. Dr. Elizabeth Callahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Callahan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Fluorescence wound imaging for bacteria, first anatomic site (HCPCS 0598T); Therapy procedure using ultrasound (HCPCS 97610). Source: CMS Medicare Physician & Other Practitioners file.