Doctor profile · Federal record

Dr. Katherine James

Physician Assistant · Mercerville, NJ

  • NPI 1821483546
  • 11 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1225 Whitehorse Mercerville RD, Bldg. D, Suite 220
Mercerville, NJ 086193882
(609) 581-2200
fax (609) 581-1212

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
March 2, 2021
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New Jersey #25MP00362200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821483546. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
142
Distinct HCPCS
8
Medicare allowed
$12,871
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 33 32 $116
99213 Established patient office or other outpatient visit, 20-29 minutes 26 24 $82
71046 X-ray of chest, 2 views 18 17 $32
81003 Automated urinalysis test 16 13 $2
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $151
99215 Established patient office or other outpatient visit, 40-54 minutes 13 13 $162
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 11 11 $50
87637 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus 11 11 $140

In context: peer comparison

Among 4 peers in Mercerville Physician Assistant, average services per provider: 109. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
24
Total drug cost
$338
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 13 $241
Doxycycline Hyclate Generic 11 11 $98

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine James's medical specialty?
Dr. Katherine James practices Physician Assistant in Mercerville, NJ.
Where does Dr. Katherine James practice?
Dr. Katherine James practices at 1225 Whitehorse Mercerville RD, Mercerville, NJ 086193882. Office phone: 6095812200.
What is Dr. Katherine James's NPI?
Dr. Katherine James's National Provider Identifier (NPI) is 1821483546, issued by NPPES.
What procedures does Dr. Katherine James commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.