Dr. Junsuke Maki, MD

  • Oakhurst, NJ
  • Gastroenterologist
NPI1184824450PAC ID3072707454
Medicare services, 2024
1,157
Medicare patients, 2024
657
Part D claims, 2024
1,305
MIPS score, 2024
98
Hospital affiliations
5
Practice address
1907 Highway 35, Suite 9, Oakhurst, NJ 07755
Practice phone
Call (732) 517-8885
Professional email
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Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Ocean Surgical Pavilion

Surgery Center - Medicare-Certified · Oakhurst, New Jersey

See all 12 affiliations

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Dr. Junsuke Maki is a gastroenterologist in Oakhurst, New Jersey

Dr. Maki practices at Ocean Surgical Pavilion in Oakhurst, New Jersey.

Dr. Maki's NPI, 1184824450, was assigned on July 24, 2007. Dr. Maki holds New Jersey license 25MA08722900.

NPI and contact details
Medicare PAC ID
3072707454
NPI enumeration date
July 24, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(732) 517-8885
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
48
Medical school graduation
2004

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Junsuke Maki practices at Ocean Surgical Pavilion in Oakhurst, New Jersey

Dr. Maki's primary practice is Ocean Surgical Pavilion, at 1907 Highway 35, Suite 9, Oakhurst, NJ 07755. The practice phone is (732) 517-8885.

  • Ocean Surgical Pavilion
    1907 Highway 35, Suite 9, Oakhurst, NJ 07755Phone(732) 517-8885

Source: Dmand AI Affiliation Data

Dr. Junsuke Maki is affiliated with 9 sites of care and 3 medical groups

Dr. Maki's primary practice is Ocean Surgical Pavilion in Oakhurst, New Jersey. Dr. Maki is also affiliated with Jersey Shore University Medical Center. The medical group on file is Hackensack Meridian Medical Group. Dmand AI also links Dr. Maki to 4 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 12 affiliations for Dr. Maki

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Junsuke Maki's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maki practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ocean Surgical PavilionAvailable with a free account
+8 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Junsuke Maki is one of 691 gastroenterologists in New Jersey

Gastroenterology is Dr. Maki's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Maki is licensed in New Jersey.

Specialties and state licenses

  • Gastroenterology, New JerseyPrimaryLicense 25MA08722900 · taxonomy 207RG0100X

Gastroenterologists near Dr. Maki

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

691gastroenterologists in New Jersey
8gastroenterologists in Oakhurst

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Junsuke Maki billed Medicare for 1,157 services in 2024

CMS data shows 1,157 Medicare services from Dr. Maki across 14 procedure codes in 2024, for 657 Medicare patients. Medicare paid $121,617 for them.

Medicare services, 20241,157
Medicare patients657
Paid by Medicare$121,617
Procedure codes14

Dr. Maki's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 8992024: 77913%
Surgery
2023: 3442024: 3236%
Tests and treatments
2023: 02024: 25
Other services
2023: 292024: 1934%
Imaging
2023: 02024: 11

Where Dr. Maki's Medicare services took place, 2024

  • In an office55348%
  • In a facility60452%

Dr. Maki compared with the New Jersey median for gastroenterologists, 2024

  • Dr. Maki
  • New Jersey median
Medicare services
1,157vs 68569% above
Medicare patients
657vs 37575% above
Part D claims
1,148vs 61188% above

Medians across 674 gastroenterologists in New Jersey with Dmand AI profiles that report each measure.

Dr. Maki's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Maki

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Junsuke Maki treated 657 Medicare patients in 2024, average age 75

CMS counts 657 Medicare patients who saw Dr. Maki in 2024. The largest group is 65 to 74, with 286 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Maki's median patient age at 62, with 50% women.

Medicare patients, 2024657
Average age75
Average risk score1.66
Also on Medicaid7%

Dr. Maki's Medicare patients by age, 2024

Dr. Maki's Medicare patients by sex, 2024

  • Women35854%
  • Men29946%

Chronic conditions among Dr. Maki's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Ischemic heart disease44%
  5. Anxiety35%
  6. Diabetes35%
  7. Mood disorders32%
  8. Atrial fibrillation29%

Share of Medicare patients with each condition. A patient can have several.

Dr. Maki's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women50%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Junsuke Maki wrote 1,305 Medicare Part D claims in 2024

In 2024, Dr. Maki wrote 1,305 Medicare Part D claims for 358 patients. 85% of them were for generic drugs. CMS names the drug for 1,148 of them, across 22 drugs with 11 or more claims each, at $95,413 in total drug cost. In 2023, CMS named 1,055 claims across 17 drugs.

Part D claims, 20241,305
Drugs named by CMS22
Total drug cost$95,413
Part D patients358

Dr. Maki's Part D claims by kind of drug, 2024

  • Generic1,110 claims85%
  • Brand-name195 claims15%

Dr. Maki's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Maki's Part D claims, 2024

  • Antibiotics2%32 of 1,305 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,0552024: 1,1489%

Drugs named by CMS: 22 in 2024, 17 in 2023.

See all prescribing by Dr. Maki

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Junsuke Maki scored 98 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Maki for performance year 2024, reported as part of a group. Dr. Maki accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 93 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Maki, more than 75% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Maki's MIPS scores, performance year 2024

  • 98of 100Final score
  • 98of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Maki ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
75th percentile93 procedures
Colonoscopy
75th percentile82 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Junsuke Maki received $10,292 in industry payments from 2016 to 2025

CMS Open Payments shows 595 general payments to Dr. Maki from 46 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $2,359.

General payments to Dr. Maki by program year, 2016 to 2025

General payments to Dr. Maki by kind, 2016 to 2025

$10.3Kin total
  • Food and beverage$10,23699%
  • Speaker and faculty fees$200%
  • Grants$200%
  • Education$170%

Companies that paid Dr. Maki the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Maki

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Junsuke Maki's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Junsuke Maki

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Junsuke Maki's NPI number?

Dr. Junsuke Maki's NPI number is 1184824450. It was assigned on July 24, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Junsuke Maki?

Dr. Junsuke Maki is a gastroenterologist in Oakhurst, New Jersey. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Junsuke Maki practice?

Dr. Maki practices at 1907 Highway 35, Suite 9, Oakhurst, NJ 07755. Dr. Maki's primary practice is Ocean Surgical Pavilion in Oakhurst, New Jersey. Dmand AI also links Dr. Maki to 4 hospitals, 3 group practices and clinics and 2 medical groups.

What is Dr. Junsuke Maki's office phone number?

The practice phone on file for Dr. Maki is (732) 517-8885.

What is Dr. Junsuke Maki's medical license number?

Dr. Maki holds New Jersey license 25MA08722900.

Which hospitals is Dr. Junsuke Maki affiliated with?

Dr. Maki is affiliated with Jersey Shore University Medical Center. Dmand AI links Dr. Maki to 4 more hospitals.

What medical group is Dr. Junsuke Maki part of?

Dr. Maki is linked to Hackensack Meridian Medical Group. Dmand AI links Dr. Maki to 2 more medical groups.

Does Dr. Junsuke Maki accept Medicare?

Yes. CMS data shows Dr. Maki billed Medicare for 1,157 services in 2024, and Dr. Maki accepts Medicare assignment.

What is Dr. Junsuke Maki's MIPS score?

Dr. Maki's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.

How many Medicare patients does Dr. Junsuke Maki see?

CMS counts 657 Medicare patients who saw Dr. Maki in 2024, with an average age of 75.

Show 4 more questionsShow fewer questions

What services does Dr. Junsuke Maki bill to Medicare?

In 2024, Dr. Maki's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and surgery: digestive system (43239).

What drugs does Dr. Junsuke Maki prescribe most?

In 2024 Medicare Part D data, Dr. Maki's most prescribed drugs by claims were Pantoprazole Sodium, Esomeprazole Magnesium and Famotidine.

Has Dr. Junsuke Maki received payments from drug or device companies?

CMS Open Payments shows $10,292 in general payments to Dr. Maki from 46 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Junsuke Maki been practicing?

Dr. Maki graduated from medical school in 2004, 22 years ago.

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