Christopher Chum, D.O.
Gastroenterology Physician · Brooklyn, NY
Christopher Chum, D.O. is a gastroenterology physician with a practice address in Brooklyn, New York, and NPI 1144669532, issued on Jun 18, 2013. Check the license (New York 285701, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Christopher Chum
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 285701 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2601 Ocean Pkwy, Brooklyn, NY 11235
- Phone
- (718) 616-3000
- Enumerated
- Jun 18, 2013
- Record last updated
- Sep 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20240507003510); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2013
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 2601 Ocean Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yana Abakina, MS, CCC-SLPSpeech-Language Pathologist1124525019
- Rauf Abayev, PA-CPhysician Assistant1164052817
- Khaled Aboelkhair, MDStudent in an Organized Health Care Education/Training Program1205585411
- Shabnam Abrishami, MDStudent in an Organized Health Care Education/Training Program1073373312
- Tindalo Adaniel, MDSurgical Critical Care Physician1093724395
- Grigol Adeishvili, M.D.Obstetrics & Gynecology Physician1619110244
Verify Christopher Chum 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 285701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average gastroenterology physician in 2024
116 Medicare Part D claims for 76 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Gavilyte-G55 claims
- Pantoprazole Sodium27 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: $2,853.94
55 payments; by number, the most common kind was food and beverage; the largest payer was Olympus Corporation of the Americas. 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
- Allied Digestive Health LLCHamilton, NJ
- Chinatown True Care Medical PLLCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Chum among 1,797 gastroenterology physician records in New York
Christopher Chum, D.O. 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 2013, is newer than 80% of them.
- NPI issued2013 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2013 · median 1999 among the 1,378 with a school on file
- Record last updated2023 · 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 Brooklyn → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jean Atallah-Vinograd, M.D.Brooklyn, NY 112351942444393
- Robin Baradarian, M.D.Brooklyn, NY 112351104841931
- Michael BernsteinBrooklyn, NY 112351043221450
- Jack Braha, DOBrooklyn, NY 112351548456890
- Alexander Brun, MDBrooklyn, NY 112351164735072
- Nancy Chen, MDBrooklyn, NY 112351063742534
- Democleia Gottesman, MDBrooklyn, NY 112351902857303
- Zhanna Gutnik, MDBrooklyn, NY 112351417929167
Common questions
What is Christopher Chum, D.O.'s NPI number?
Christopher Chum, D.O.'s National Provider Identifier (NPI) is 1144669532, issued on Jun 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Chum, D.O. located?
The NPPES record lists a practice address at 2601 Ocean Pkwy, Brooklyn, NY, 11235. Phone: (718) 616-3000. Providers update this record themselves, so call before visiting.
How can I verify Christopher Chum, D.O.'s license?
NPPES lists New York license number 285701, 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 Christopher Chum, D.O. prescribe under Medicare Part D?
In 2024, Christopher Chum, D.O. had 116 Medicare Part D claims for 76 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.