Doctor profile · Federal record

Dr. Junsuke Maki, MD

Gastroenterology Physician (CMS: Gastroenterology) · Oakhurst, NJ

  • NPI 1184824450
  • Accepts Medicare
  • MIPS 97.5 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1907 Highway 35, Suite 1
Oakhurst, NJ 07755
(732) 517-0060
fax (732) 548-7408

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
March 31, 2016
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New Jersey #25MA08722900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184824450. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,272
Distinct HCPCS
10
Medicare allowed
$168,325
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 196 155 $98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 192 141 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 178 135 $139
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 116 110 $112
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 116 116 $266
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 116 114 $136
45380 Biopsy of large bowel using a flexible endoscope 75 75 $120
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 65 41 $127
99203 New patient office or other outpatient visit, 30-44 minutes 62 62 $121
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $180

In context: peer comparison

Among 5 peers in this city , average services per provider: 58. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,105
Transactions
110
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 25 $421.10
Takeda Pharmaceuticals U.S.A., Inc. 17 $316.59
PFIZER INC. 12 $214.55
Janssen Biotech, Inc. 14 $199.07
Salix Pharmaceuticals, a division of Bausch Health US, LLC 12 $190.59
SK Life Science, Inc. 1 $125.00
GENZYME CORPORATION 6 $103.84
Daiichi Sankyo Inc. 5 $96.56
Celltrion USA Inc. 3 $56.67
Lilly USA, LLC 3 $56.12
Regeneron Healthcare Solutions, Inc. 3 $53.98
Phathom Pharmaceuticals, Inc. 3 $44.15
QOL Medical, LLC 2 $41.83
Ipsen Biopharmaceuticals, Inc 2 $41.79
Madrigal Pharmaceuticals 2 $34.71

By nature of payment

Food and Beverage
$2,068
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$20
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,032
Patients
358
Total drug cost
$61,970
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 388 111 $5,637
Famotidine Generic 134 45 $2,541
Esomeprazole Magnesium Generic 118 34 $2,903
Omeprazole Generic 99 30 $1,900
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 75 75 $12,003
Lansoprazole Generic 37 14 $2,300
Dicyclomine Hcl Generic 30 17 $1,018
Mesalamine Generic 28 0 $17,549
Sucralfate Generic 22 13 $1,096
Cholestyramine (Cholestyramine (With Sugar)) Brand 21 0 $2,916

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Junsuke Maki's medical specialty?
Dr. Junsuke Maki practices Gastroenterology Physician in Oakhurst, NJ.
Where does Dr. Junsuke Maki practice?
Dr. Junsuke Maki practices at 1907 Highway 35, Oakhurst, NJ 07755. Office phone: 7325170060.
What is Dr. Junsuke Maki's NPI?
Dr. Junsuke Maki's National Provider Identifier (NPI) is 1184824450, issued by NPPES.
Does Dr. Junsuke Maki accept Medicare assignment?
Yes. Dr. Junsuke Maki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Junsuke Maki commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.