Gil Ignacio Ascunce, M.D.
Gastroenterology Physician · New York, NY
Gil Ignacio Ascunce, M.D. is a gastroenterology physician with a practice address in New York, New York, and NPI 1023265428, issued on Aug 27, 2008. Check the license (New York 242599, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gil Ignacio Ascunce
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 242599 NY
Self-reported in NPPES; status is on the state search - Practice location
- 161 Madison Ave RM 10SW, New York, NY 10016
- Phone
- (212) 889-2400
- Enumerated
- Aug 27, 2008
- Record last updated
- Jan 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (212) 889-2494
- Medicare enrollment
- Enrolled (PECOS I20101019000815); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Verify Gil Ignacio Ascunce in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 242599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average gastroenterology physician in 2024
957 Medicare Part D claims for 235 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Linzess194 claims
- Omeprazole98 claims
- Sod Sulf-Potass Sulf-Mag Sulf67 claims
- Amitriptyline Hcl66 claims
- Motegrity61 claims
- Trulance55 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,079.75
67 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Brain And Spine Surgeons OF New York PCNew York, NY
- United Health Services Hospitals, Inc.Binghamton, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gil Ignacio Ascunce among 1,797 gastroenterology physician records in New York
Gil Ignacio Ascunce, M.D. is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 31% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2004 · median 1999 among the 1,378 with a school on file
- Record last updated2020 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in New York → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- John Ackert, MDNew York, NY 100161053335810
- Daniel Alpert, MDNew York, NY 100161063412708
- Steven Field, MDNew York, NY 100161871591784
- Seth Gross, M.D.New York, NY 100161154304111
- Min-Tsung Hsu, MDNew York, NY 100161376520486
- Mark Lemert, M.D.New York, NY 100161306810478
- Basil Lucak, M.D.New York, NY 100161720071145
- Marc Obadia, MDNew York, NY 100161487627824
Common questions
What is Gil Ignacio Ascunce, M.D.'s NPI number?
Gil Ignacio Ascunce, M.D.'s National Provider Identifier (NPI) is 1023265428, issued on Aug 27, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gil Ignacio Ascunce, M.D. located?
The NPPES record lists a practice address at 161 Madison Ave RM 10SW, New York, NY, 10016. Phone: (212) 889-2400. Providers update this record themselves, so call before visiting.
How can I verify Gil Ignacio Ascunce, M.D.'s license?
NPPES lists New York license number 242599, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gil Ignacio Ascunce, M.D. prescribe under Medicare Part D?
In 2024, Gil Ignacio Ascunce, M.D. had 957 Medicare Part D claims for 235 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.