Dr. Gengo Sunagawa, MD
- Medicare services, 2024
- 39
- Medicare patients, 2024
- 55
- Part D claims, 2024
- 15
- Hospital affiliations
- 3
- Industry payments
- $7,659
- Practice address
- One Robert Wood Johnson Place, New Brunswick, NJ 08901
- Practice phone
- Call (732) 828-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sunagawa's professional email, personal email and mobile number
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Dr. Gengo Sunagawa is a cardiothoracic surgeon in New Brunswick, New Jersey
Dr. Sunagawa practices at Robert Wood Johnson University Hospital in New Brunswick, New Jersey, part of RWJBarnabas Health.
Dr. Sunagawa's NPI, 1255857504, was assigned on August 18, 2017. Dr. Sunagawa holds Pennsylvania license MD463661.
- NPI
- 1255857504NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456699388
- NPI enumeration date
- August 18, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (732) 828-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gengo Sunagawa practices at 2 locations in New Brunswick, New Jersey
Dr. Sunagawa's primary practice is Robert Wood Johnson University Hospital, at One Robert Wood Johnson Place, New Brunswick, NJ 08901 in Middlesex County. The practice phone is (732) 828-3000. Dr. Sunagawa also practices at Robert Wood Johnson University Hospital - New Brunswick, 1 Robert Wood Johnson Pl, New Brunswick, NJ 08901.
- Robert Wood Johnson University HospitalPrimaryOne Robert Wood Johnson Place, New Brunswick, NJ 08901 · Middlesex CountyPhone(732) 828-3000
- Robert Wood Johnson University Hospital - New Brunswick1 Robert Wood Johnson Pl, New Brunswick, NJ 08901 · Middlesex CountyPhone(732) 828-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Gengo Sunagawa is affiliated with 6 sites of care and 2 medical groups
Dr. Sunagawa's primary practice is Robert Wood Johnson University Hospital in New Brunswick, New Jersey, part of RWJBarnabas Health. Dr. Sunagawa is also affiliated with Community Medical Center. The medical group on file is Rutgers Robert Wood Johnson Medical Group. Dmand AI also links Dr. Sunagawa to 1 more hospital, 2 home health agencies, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gengo Sunagawa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sunagawa practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Robert Wood Johnson University Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across RWJBarnabas Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gengo Sunagawa is one of 138 cardiothoracic surgeons in New Jersey
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Sunagawa's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Sunagawa is licensed in Pennsylvania.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), PennsylvaniaPrimary
Cardiothoracic surgeons near Dr. Sunagawa
Counts of cardiothoracic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gengo Sunagawa billed Medicare for 39 services in 2024
CMS data shows 39 Medicare services from Dr. Sunagawa across 2 procedure codes in 2024, for 55 Medicare patients. Medicare paid $17,355 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sunagawa's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 332024: 3918%
Dr. Sunagawa compared with the New Jersey median for cardiothoracic surgeons, 2024
- Dr. Sunagawa
- New Jersey median
- Medicare services
- 39vs 17478% below
- Medicare patients
- 55vs 13058% below
Medians across 127 cardiothoracic surgeons in New Jersey with Dmand AI profiles that report each measure.
Dr. Sunagawa'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gengo Sunagawa treated 55 Medicare patients in 2024, average age 74
CMS counts 55 Medicare patients who saw Dr. Sunagawa in 2024. The largest group is 75 to 84, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.96, 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. Sunagawa's median patient age at 69, with 22% women.
Dr. Sunagawa's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sunagawa's Medicare patients by sex, 2024
- Women1629%
- Men3971%
Chronic conditions among Dr. Sunagawa's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure73%
- Diabetes67%
- Chronic kidney disease64%
- Atrial fibrillation60%
- Arthritis51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sunagawa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women22%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gengo Sunagawa wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Sunagawa wrote 15 Medicare Part D claims. 93% of them were for generic drugs.
Dr. Sunagawa's Part D claims by kind of drug, 2024
- Generic14 claims93%
- Brand-name and other1 claims7%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gengo Sunagawa ranks in the 89th percentile for coronary artery bypass graft (cabg) in Medicare
Dr. Sunagawa accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 37 procedures of coronary artery bypass graft (cabg) by Dr. Sunagawa, more than 89% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Sunagawa ranks in Medicare procedure volume
- Coronary artery bypass graft (CABG)
- 89th percentile37 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gengo Sunagawa received $7,659 in industry payments from 2018 to 2025
CMS Open Payments shows 101 general payments to Dr. Sunagawa from 8 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 74% of the total. Abbott Laboratories paid the most, $2,648.
General payments to Dr. Sunagawa by program year, 2018 to 2025
General payments to Dr. Sunagawa by kind, 2018 to 2025
- Food and beverage$5,68074%
- Travel and lodging$1,97926%
Companies that paid Dr. Sunagawa the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gengo Sunagawa's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gengo Sunagawa
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. Gengo Sunagawa's NPI number?
Dr. Gengo Sunagawa's NPI number is 1255857504. It was assigned on August 18, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Gengo Sunagawa?
Dr. Gengo Sunagawa is a cardiothoracic surgeon in New Brunswick, New Jersey. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Gengo Sunagawa practice?
Dr. Sunagawa practices at One Robert Wood Johnson Place, New Brunswick, NJ 08901. Dr. Sunagawa also practices at 1 Robert Wood Johnson Pl, New Brunswick, NJ 08901. Dr. Sunagawa's primary practice is Robert Wood Johnson University Hospital in New Brunswick, New Jersey, part of RWJBarnabas Health. Dmand AI also links Dr. Sunagawa to 1 hospital, 2 home health agencies, 1 group practice or clinic and 1 medical group.
What is Dr. Gengo Sunagawa's office phone number?
The practice phone on file for Dr. Sunagawa is (732) 828-3000.
What is Dr. Gengo Sunagawa's medical license number?
Dr. Sunagawa holds Pennsylvania license MD463661.
Which hospitals is Dr. Gengo Sunagawa affiliated with?
Dr. Sunagawa practices at Robert Wood Johnson University Hospital in New Brunswick, New Jersey. Dr. Sunagawa is also affiliated with Community Medical Center. Dmand AI links Dr. Sunagawa to 1 more hospital.
What medical group is Dr. Gengo Sunagawa part of?
Dr. Sunagawa is linked to Rutgers Robert Wood Johnson Medical Group. Dmand AI links Dr. Sunagawa to 1 more medical group.
Does Dr. Gengo Sunagawa accept Medicare?
Yes. CMS data shows Dr. Sunagawa billed Medicare for 39 services in 2024, and Dr. Sunagawa accepts Medicare assignment.
How many Medicare patients does Dr. Gengo Sunagawa see?
CMS counts 55 Medicare patients who saw Dr. Sunagawa in 2024, with an average age of 74.
What services does Dr. Gengo Sunagawa bill to Medicare?
In 2024, Dr. Sunagawa's most billed Medicare services were surgery: heart and blood vessels (33533) and surgery: heart and blood vessels (33508).
Has Dr. Gengo Sunagawa received payments from drug or device companies?
CMS Open Payments shows $7,659 in general payments to Dr. Sunagawa from 8 companies from 2018 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Gengo Sunagawa been practicing?
Dr. Sunagawa graduated from medical school in 2003, 23 years ago.
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