Doctor profile · Federal record

Dr. James Kwak, M.D.

Family Medicine Physician (CMS: Family Practice) · Voorhees, NJ

  • NPI 1578552865
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2301 Evesham Road, Suite 505
Voorhees, NJ 080434507
(856) 520-8718
fax (856) 520-8719

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
February 28, 2017
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
New Jersey #25MB05949300
Medicaid
NJ #0040321

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578552865. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,062
Distinct HCPCS
10
Medicare allowed
$103,085
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 312 150 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 243 153 $93
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 90 18 $1
G0008 Administration of influenza virus vaccine 78 77 $33
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 78 78 $136
99203 New patient office or other outpatient visit, 30-44 minutes 77 77 $119
90662 Influenza vaccine split virus, preservative free 71 70 $72
G0009 Administration of pneumococcal vaccine 31 31 $33
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 28 28 $280
20610 Aspiration and/or injection of fluid from large joint 19 14 $75

In context: peer comparison

Among 20 peers in Voorhees Family Medicine Physician, average services per provider: 81. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$754
Transactions
41
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 10 $259.52
Amgen INC. 5 $76.57
Pfizer INC. 4 $67.58
GlaxoSmithKline, LLC. 4 $57.82
Lilly USA, LLC 3 $47.89
Axsome Therapeutics, INC. 2 $34.31
Corium, LLC 2 $32.70
Abbvie INC. 2 $31.44
Exact Sciences Corporation 2 $29.98
Abbott Laboratories 2 $27.11
Astellas Pharma US INC 1 $16.20
Takeda Pharmaceuticals U.S.A., INC. 1 $15.71
Bayer Healthcare Pharmaceuticals INC. 1 $15.00
Radius Health, INC. 1 $14.46
Currax Pharmaceuticals LLC 1 $14.05

By nature of payment

Food and Beverage
$754

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,984
Patients
802
Total drug cost
$47,141
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 299 112 $5,620
Amlodipine Besylate Generic 218 90 $1,579
Tamsulosin Hcl Generic 176 69 $7,976
Metformin Hcl Generic 150 56 $1,393
Simvastatin Generic 147 64 $1,682
Metoprolol Succinate Generic 144 57 $4,187
Omeprazole Generic 127 55 $2,030
Losartan Potassium Generic 125 45 $2,251
Levothyroxine Sodium Generic 115 55 $2,085
Pantoprazole Sodium Generic 112 44 $2,041

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Kwak's medical specialty?
Dr. James Kwak practices Family Medicine Physician in Voorhees, NJ.
Where does Dr. James Kwak practice?
Dr. James Kwak practices at 2301 Evesham Road, Voorhees, NJ 080434507. Office phone: 8565208718.
What is Dr. James Kwak's NPI?
Dr. James Kwak's National Provider Identifier (NPI) is 1578552865, issued by NPPES.
Does Dr. James Kwak accept Medicare assignment?
Yes. Dr. James Kwak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Kwak 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); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301). Source: CMS Medicare Physician & Other Practitioners file.