Michael Ma

  • North Brunswick, NJ
  • Gastroenterologist
NPI1992191571PAC ID4082961545
Medicare services, 2024
48
Medicare patients, 2024
54
Part D claims, 2024
61
Publications
4
MIPS score, 2024
93
Practice address
1520 Highway 130, North Brunswick, NJ 08902
Practice phone
Call (732) 422-9900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Specialty Surgical Center of North Brunswick

Surgery Center - Medicare-Certified · North Brunswick, New Jersey

See all 8 affiliations

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Michael Ma is a gastroenterologist in North Brunswick, New Jersey

Michael Ma practices at Specialty Surgical Center of North Brunswick in North Brunswick, New Jersey.

Michael Ma's NPI, 1992191571, was assigned on April 10, 2015. Michael Ma graduated from University of Vermont College of Medicine in 2015. Michael Ma's New York license number on file is 292339.

NPI and contact details
Medicare PAC ID
4082961545
NPI enumeration date
April 10, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(732) 422-9900
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Michael Ma practices at Specialty Surgical Center of North Brunswick in North Brunswick, New Jersey

Michael Ma's primary practice is Specialty Surgical Center of North Brunswick, at 1520 Highway 130, North Brunswick, NJ 08902. The practice phone is (732) 422-9900.

  • Specialty Surgical Center of North Brunswick
    1520 Highway 130, North Brunswick, NJ 08902Phone(732) 422-9900

Source: Dmand AI Affiliation Data

Michael Ma is affiliated with 5 sites of care and 3 medical groups

Michael Ma's primary practice is Specialty Surgical Center of North Brunswick in North Brunswick, New Jersey. Michael Ma is also affiliated with Robert Wood Johnson University Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Michael Ma to 3 more hospitals and 2 medical groups, each named with a free account.

See all 8 affiliations for Michael Ma

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

Dmand AI tracks the EHR system at Michael Ma's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Ma practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Specialty Surgical Center of North BrunswickAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael Ma is one of 691 gastroenterologists in New Jersey

Gastroenterology is Michael Ma's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Michael Ma is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Michael Ma's licenses on file in 2 states: New York and New Jersey.

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 292339 · 2018 to 2025 · taxonomy 207RG0100X
  • New Jersey licenseLicense 25MA12307600 · 2024 to 2027

Clinical focus

Dmand AI lists acid reflux, colonoscopy, gastroenteritis, gastrointestinal bleeding and upper GI endoscopy among the conditions Michael Ma treats.

Gastroenterologists near Michael Ma

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

691gastroenterologists in New Jersey
5gastroenterologists in North Brunswick

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

Michael Ma billed Medicare for 48 services in 2024

CMS data shows 48 Medicare services from Michael Ma across 2 procedure codes in 2024, for 54 Medicare patients. Medicare paid $4,145 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202448
Medicare patients54
Paid by Medicare$4,145
Procedure codes2

Michael Ma compared with the New Jersey median for gastroenterologists, 2024

  • Michael Ma
  • New Jersey median
Medicare services
48vs 68593% below
Medicare patients
54vs 37586% below
Part D claims
44vs 61193% below

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

Michael Ma'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 Michael Ma

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

Michael Ma treated 54 Medicare patients in 2024, average age 74

CMS counts 54 Medicare patients who saw Michael Ma in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Michael Ma's median patient age at 68, with 49% women.

Medicare patients, 202454
Average age74
Average risk score1.87
Also on Medicaid26%

Michael Ma's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Michael Ma's Medicare patients by sex, 2024

  • Women2546%
  • Men2954%

Chronic conditions among Michael Ma's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes52%
  4. Arthritis50%
  5. Ischemic heart disease37%
  6. Atrial fibrillation33%
  7. Chronic kidney disease33%
  8. Heart failure33%

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

Michael Ma's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women49%
  • Men49%

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

Michael Ma wrote 61 Medicare Part D claims in 2024

In 2024, Michael Ma wrote 61 Medicare Part D claims for 36 patients. 92% of them were for generic drugs. CMS names the drug for 44 of them, across 3 drugs with 11 or more claims each, at $705 in total drug cost.

Part D claims, 202461
Drugs named by CMS3
Total drug cost$705
Part D patients36

Michael Ma's Part D claims by kind of drug, 2024

  • Generic56 claims92%
  • Brand-name and other5 claims8%

Michael Ma'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 Michael Ma's Part D claims, 2024

  • Antibiotics20%12 of 61 claims

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

See all prescribing by Michael Ma

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

Michael Ma scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Michael Ma for performance year 2024, reported through an alternative payment model (APM). Michael Ma accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Michael Ma as offering telehealth. CMS counts 274 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Michael Ma, more than 94% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Michael Ma's MIPS scores, performance year 2024

  • 93of 100Final score
  • 79.8of 100Quality
  • 89of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Michael Ma ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
94th percentile274 procedures
Colonoscopy
61st percentile44 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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Michael Ma has 4 publications on record

Dmand AI links 4 papers to Michael Ma, published from 2021 to 2025. Michael Ma's most frequent co-authors are Arvind Julius Trindade, MD and Evin Joseph McCabe, MD.

Papers4
Years published2021 to 2025

Michael Ma's papers by year, 2021 to 2025

Michael Ma's most frequent co-authors

Recent publications by Michael Ma

See all 4 publications and co-authors

See who Michael Ma researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Michael Ma works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Michael Ma received $35 in industry payments in 2025

CMS Open Payments shows 1 general payment to Michael Ma from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $35.

Companies that paid Michael Ma the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Ma

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

Michael Ma graduated from University of Vermont College of Medicine

Michael Ma graduated from University of Vermont College of Medicine in 2015.

  1. Medical schoolUniversity of Vermont College of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Michael Ma accepts plans from 19 insurance carriers

Michael Ma is in network with 19 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Horizon Blue Cross Blue Shield of New Jersey
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +11 more carriersWith a free account

Plan types Michael Ma accepts, by number of carriers

  1. PPO13
  2. Medicare12
  3. HMO9
  4. EPO5
  5. POS5

Source: Dmand AI Insurance Network Data

Sources for Michael Ma'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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 Michael Ma

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

What is Michael Ma's NPI number?

Michael Ma's NPI number is 1992191571. It was assigned on April 10, 2015, and it is active in the NPI Registry.

What does Michael Ma specialize in?

Michael Ma is a gastroenterologist in North Brunswick, New Jersey. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Michael Ma practice?

Michael Ma practices at 1520 Highway 130, North Brunswick, NJ 08902. Michael Ma's primary practice is Specialty Surgical Center of North Brunswick in North Brunswick, New Jersey. Dmand AI also links Michael Ma to 3 hospitals and 2 medical groups.

What is Michael Ma's office phone number?

The practice phone on file for Michael Ma is (732) 422-9900.

What is Michael Ma's medical license number?

Michael Ma's New York license number on file is 292339, one of the licenses on file in 2 states.

Which states has Michael Ma been licensed in?

Dmand AI has state licenses on file for Michael Ma in New York (2018 to 2025) and New Jersey (2024 to 2027).

Which hospitals is Michael Ma affiliated with?

Michael Ma is affiliated with Robert Wood Johnson University Hospital. Dmand AI links Michael Ma to 3 more hospitals.

What medical group is Michael Ma part of?

Michael Ma is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Michael Ma to 2 more medical groups.

Does Michael Ma accept Medicare?

Yes. CMS data shows Michael Ma billed Medicare for 48 services in 2024, and Michael Ma accepts Medicare assignment.

Does Michael Ma offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Michael Ma as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Michael Ma's MIPS score?

Michael Ma's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Michael Ma see?

CMS counts 54 Medicare patients who saw Michael Ma in 2024, with an average age of 74.

Is Michael Ma board certified?

Yes. Michael Ma is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Michael Ma bill to Medicare?

In 2024, Michael Ma's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).

Where did Michael Ma go to medical school?

Michael Ma graduated from University of Vermont College of Medicine in 2015.

What drugs does Michael Ma prescribe most?

In 2024 Medicare Part D data, Michael Ma's most prescribed drugs by claims were Omeprazole, Sucralfate and Pantoprazole Sodium.

Has Michael Ma received payments from drug or device companies?

CMS Open Payments shows $35 in general payments to Michael Ma from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.

How long has Michael Ma been practicing?

Michael Ma graduated from medical school in 2015, 11 years ago.

Does Michael Ma do research?

Dmand AI links 4 publications to Michael Ma, published from 2021 to 2025.

Who does Michael Ma publish with?

Michael Ma's most frequent co-authors are Arvind Julius Trindade, MD (3 shared papers) and Evin Joseph McCabe, MD (1 shared paper).

What insurance does Michael Ma accept?

Michael Ma is in network with 19 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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