Health Care CostsPancreaticoduodenectomyPatient Education as Topic
Denis Gratsianskiy
NPI1659865541PAC ID4880052745
- Part D claims, 2024
- 45
- Publications
- 3
- Hospital affiliations
- 1
- Industry payments
- $735
- Medical groups
- 4
- Practice address
- 100 East 77th Street, New York, NY 10075
- Practice phone
- Call (212) 434-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Denis Gratsianskiy'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.
Denis Gratsianskiy is a general surgeon in New York, New York
Denis Gratsianskiy practices at Lenox Hill Hospital in New York, New York, part of Northwell Health.
Denis Gratsianskiy's NPI, 1659865541, was assigned on June 14, 2018. Denis Gratsianskiy holds Florida license ME161964.
NPI and contact details
- NPI
- 1659865541NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880052745
- NPI enumeration date
- June 14, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 434-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Denis Gratsianskiy practices at Lenox Hill Hospital in New York, New York
Denis Gratsianskiy's primary practice is Lenox Hill Hospital, at 100 East 77th Street, New York, NY 10075 in New York County. The practice phone is (212) 434-2000.
- Lenox Hill Hospital100 East 77th Street, New York, NY 10075 · New York CountyPhone(212) 434-2000
Source: Dmand AI Affiliation Data
Denis Gratsianskiy is affiliated with 3 sites of care and 4 medical groups
Denis Gratsianskiy's primary practice is Lenox Hill Hospital in New York, New York, part of Northwell Health. The medical group on file is Surgical Specialists of Greater NY. Dmand AI also links Denis Gratsianskiy to 3 more medical groups and 2 group practices and clinics, each named with a free account.
Surgical Specialists of Greater NY3 medical groupsNames with a free account2 group practices and clinicsNames with a free account
See all 7 affiliations for Denis GratsianskiySources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Denis Gratsianskiy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Denis Gratsianskiy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lenox Hill Hospital | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Denis Gratsianskiy is one of 1,604 general surgeons in New York
Surgery is Denis Gratsianskiy's primary specialty in the NPI Registry, under taxonomy code 208600000X. Denis Gratsianskiy is board certified in surgery by the American Board of Surgery. Dmand AI has Denis Gratsianskiy's licenses on file in 4 states: Florida, New Jersey, New York and Rhode Island.
Specialties and state licenses
- Surgery, FloridaPrimary
- New Jersey license
- New York license
- Rhode Island license
General surgeons near Denis Gratsianskiy
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,604general surgeons in New York291general surgeons in New York13general surgeons at Lenox Hill Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Denis Gratsianskiy's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Denis Gratsianskiy's median patient age at 67, with 51% women.
Denis Gratsianskiy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Denis Gratsianskiy wrote 45 Medicare Part D claims in 2024
In 2024, Denis Gratsianskiy wrote 45 Medicare Part D claims for 22 patients. 89% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $29 in total drug cost.
Part D claims, 202445
Drugs named by CMS1
Total drug cost$29
Part D patients22
Denis Gratsianskiy's Part D claims by kind of drug, 2024
- Generic40 claims89%
- Brand-name and other5 claims11%
Denis Gratsianskiy'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 Denis Gratsianskiy's Part D claims, 2024
- Opioids29%13 of 45 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Denis Gratsianskiy takes part in Medicare
Denis Gratsianskiy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Denis Gratsianskiy has 3 publications on record
Dmand AI links 3 papers to Denis Gratsianskiy in 2024. 2024 was the busiest year, with 3. The most frequent topics are Robotic Surgical Procedures, Pancreaticoduodenectomy and Postoperative Complications. Denis Gratsianskiy has published most often in J Robot Surg. Denis Gratsianskiy's most frequent co-authors are Sharona B. Ross, MD and Iswanto Sucandy, MD.
Papers3
Topics Denis Gratsianskiy writes about most
- Robotic Surgical Procedures
- Pancreaticoduodenectomy
- Postoperative Complications
Denis Gratsianskiy's most frequent co-authors
Recent publications by Denis Gratsianskiy
Cholangiopancreatography, Endoscopic RetrogradeEndoscopic Ultrasound-Guided Fine Needle AspirationPancreatic Neoplasms
Bile Duct NeoplasmsHepatectomyKlatskin Tumor
See who Denis Gratsianskiy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Denis Gratsianskiy works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Denis Gratsianskiy received $735 in industry payments from 2024 to 2025
CMS Open Payments shows 8 general payments to Denis Gratsianskiy from 6 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $375.
General payments to Denis Gratsianskiy by program year, 2024 to 2025
Companies that paid Denis Gratsianskiy the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Denis Gratsianskiy is board certified in surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Sources for Denis Gratsianskiy'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Denis Gratsianskiy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Denis Gratsianskiy's NPI number?
Denis Gratsianskiy's NPI number is 1659865541. It was assigned on June 14, 2018, and it is active in the NPI Registry.
What does Denis Gratsianskiy specialize in?
Denis Gratsianskiy is a general surgeon in New York, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Denis Gratsianskiy practice?
Denis Gratsianskiy practices at 100 East 77th Street, New York, NY 10075. Denis Gratsianskiy's primary practice is Lenox Hill Hospital in New York, New York, part of Northwell Health. Dmand AI also links Denis Gratsianskiy to 3 medical groups and 2 group practices and clinics.
What is Denis Gratsianskiy's office phone number?
The practice phone on file for Denis Gratsianskiy is (212) 434-2000.
What is Denis Gratsianskiy's medical license number?
Denis Gratsianskiy holds Florida license ME161964, one of the licenses on file in 4 states.
Which states has Denis Gratsianskiy been licensed in?
Dmand AI has state licenses on file for Denis Gratsianskiy in Florida (2023 to 2027), New Jersey (2025 to 2027), New York (2024 to 2026) and Rhode Island (2020 to 2021).
Which hospitals is Denis Gratsianskiy affiliated with?
Denis Gratsianskiy practices at Lenox Hill Hospital in New York, New York.
What medical group is Denis Gratsianskiy part of?
Denis Gratsianskiy is linked to Surgical Specialists of Greater NY. Dmand AI links Denis Gratsianskiy to 3 more medical groups.
Does Denis Gratsianskiy accept Medicare?
Yes. CMS lists Denis Gratsianskiy as accepting Medicare assignment.
Is Denis Gratsianskiy board certified?
Yes. Denis Gratsianskiy is board certified in surgery by the American Board of Surgery.
Show 5 more questionsShow fewer questions
What drugs does Denis Gratsianskiy prescribe most?
In 2024 Medicare Part D data, Denis Gratsianskiy's most prescribed drugs by claims were Oxycodone HCl.
Has Denis Gratsianskiy received payments from drug or device companies?
CMS Open Payments shows $735 in general payments to Denis Gratsianskiy from 6 companies from 2024 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Denis Gratsianskiy been practicing?
Denis Gratsianskiy graduated from medical school in 2011, 15 years ago.
Does Denis Gratsianskiy do research?
Dmand AI links 3 publications to Denis Gratsianskiy.
Who does Denis Gratsianskiy publish with?
Denis Gratsianskiy's most frequent co-authors are Sharona B. Ross, MD (3 shared papers) and Iswanto Sucandy, MD (3 shared papers).
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