Dr. John C. Deysine, MD
- Medicare services, 2024
- 399
- Medicare patients, 2024
- 267
- Part D claims, 2024
- 43
- MIPS score, 2024
- 94
- Hospital affiliations
- 1
- Practice address
- 158-6 Northern Blvd, Flushing, NY 11358
- Practice phone
- Call (718) 517-2900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Brooklyn Radiation Oncology
Flushing, New York
Find Dr. Deysine's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John C. Deysine is a surgical oncologist in Flushing, New York
Dr. Deysine practices at Brooklyn Radiation Oncology in Flushing, New York.
Dr. Deysine's NPI, 1881607216, was assigned on August 15, 2006. Dr. Deysine holds New York license 181541.
- NPI
- 1881607216NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537213764
- NPI enumeration date
- August 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (718) 517-2900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John C. Deysine practices at Brooklyn Radiation Oncology in Flushing, New York
Dr. Deysine's primary practice is Brooklyn Radiation Oncology, at 158-6 Northern Blvd, Flushing, NY 11358 in Queens County. The practice phone is (718) 517-2900.
- Brooklyn Radiation Oncology158-6 Northern Blvd, Flushing, NY 11358 · Queens CountyPhone(718) 517-2900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John C. Deysine is affiliated with 3 sites of care and 3 medical groups
Dr. Deysine's primary practice is Brooklyn Radiation Oncology in Flushing, New York. Dr. Deysine is also affiliated with Staten Island University Hospital. The medical group on file is NewYork-Presbyterian Medical Group/Westchester. Dmand AI also links Dr. Deysine to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John C. Deysine's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Deysine practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brooklyn Radiation Oncology | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John C. Deysine is one of 162 surgical oncologists in New York
Surgical oncology is Dr. Deysine's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Deysine is licensed in New York.
Specialties and state licenses
- Surgical oncology, New YorkPrimary
Surgical oncologists near Dr. Deysine
Counts of surgical oncologists 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. John C. Deysine billed Medicare for 399 services in 2024
CMS data shows 399 Medicare services from Dr. Deysine across 3 procedure codes in 2024, all of them office visits, for 267 Medicare patients. Medicare paid $43,395 for them.
Dr. Deysine's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4012024: 399No change
- Surgery
- 2023: 142024: 0100%
Where Dr. Deysine's Medicare services took place, 2024
- In an office38496%
- In a facility154%
Dr. Deysine compared with the New York median for surgical oncologists, 2024
- Dr. Deysine
- New York median
- Medicare services
- 399vs 1243.2 times
- Medicare patients
- 267vs 962.8 times
- Part D claims
- 28vs 1587% above
Medians across 145 surgical oncologists in New York with Dmand AI profiles that report each measure.
Dr. Deysine'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.
Need commercial claims for Dr. Deysine?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Deysine and other surgical oncologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John C. Deysine treated 267 Medicare patients in 2024, average age 74
CMS counts 267 Medicare patients who saw Dr. Deysine in 2024. The largest group is 65 to 74, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Deysine's median patient age at 68, with 92% women.
Dr. Deysine's Medicare patients by age, 2024
Chronic conditions among Dr. Deysine's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes50%
- Cancer43%
- Osteoporosis29%
- Anxiety26%
- Ischemic heart disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Deysine'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
- Women92%
- Men5%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John C. Deysine wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Deysine wrote 43 Medicare Part D claims for 12 patients. 95% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $259 in total drug cost. In 2023, CMS named 23 claims across 2 drugs.
Dr. Deysine's Part D claims by kind of drug, 2024
- Generic41 claims95%
- Brand-name and other2 claims5%
Dr. Deysine'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 232024: 2822%
Drugs named by CMS: 2 in 2024, 2 in 2023.
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. John C. Deysine scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Deysine for performance year 2024, reported as part of a group. Dr. Deysine accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Deysine as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Deysine's MIPS scores, performance year 2024
- 94of 100Final score
- 84.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John C. Deysine received $184 in industry payments in 2025
CMS Open Payments shows 7 general payments to Dr. Deysine from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sumitomo Pharma America, Inc. paid the most, $184.
Companies that paid Dr. Deysine the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John C. Deysine's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John C. Deysine
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. John C. Deysine's NPI number?
Dr. John C. Deysine's NPI number is 1881607216. It was assigned on August 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John C. Deysine?
Dr. John C. Deysine is a surgical oncologist in Flushing, New York. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).
Where does Dr. John C. Deysine practice?
Dr. Deysine practices at 158-6 Northern Blvd, Flushing, NY 11358. Dr. Deysine's primary practice is Brooklyn Radiation Oncology in Flushing, New York. Dmand AI also links Dr. Deysine to 2 medical groups and 1 group practice or clinic.
What is Dr. John C. Deysine's office phone number?
The practice phone on file for Dr. Deysine is (718) 517-2900.
What is Dr. John C. Deysine's medical license number?
Dr. Deysine holds New York license 181541.
Which hospitals is Dr. John C. Deysine affiliated with?
Dr. Deysine is affiliated with Staten Island University Hospital.
What medical group is Dr. John C. Deysine part of?
Dr. Deysine is linked to NewYork-Presbyterian Medical Group/Westchester. Dmand AI links Dr. Deysine to 2 more medical groups.
Does Dr. John C. Deysine accept Medicare?
Yes. CMS data shows Dr. Deysine billed Medicare for 399 services in 2024, and Dr. Deysine accepts Medicare assignment.
Does Dr. John C. Deysine offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Deysine as offering telehealth services.
What is Dr. John C. Deysine's MIPS score?
Dr. Deysine's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. John C. Deysine see?
CMS counts 267 Medicare patients who saw Dr. Deysine in 2024, with an average age of 74.
What services does Dr. John C. Deysine bill to Medicare?
In 2024, Dr. Deysine's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and office visit, established patient (99213).
What drugs does Dr. John C. Deysine prescribe most?
In 2024 Medicare Part D data, Dr. Deysine's most prescribed drugs by claims were Anastrozole and Exemestane.
Has Dr. John C. Deysine received payments from drug or device companies?
CMS Open Payments shows $184 in general payments to Dr. Deysine from 1 company from 2025 to 2025. The largest total came from Sumitomo Pharma America, Inc.
How long has Dr. John C. Deysine been practicing?
Dr. Deysine graduated from medical school in 1987, 39 years ago.
Selling to surgical oncology practices?
See surgical oncologists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card