Dr. Christopher Chum, DO
- Medicare services, 2024
- 418
- Medicare patients, 2024
- 251
- Part D claims, 2024
- 116
- Hospital affiliations
- 3
- Industry payments
- $6,123
- Practice address
- 1374 Whitehorse Hamilton Square Rd, Trenton, NJ 08690
- Practice phone
- Call (609) 586-1319
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hamilton Gastroenterology Group
Trenton, New Jersey
Find Dr. Chum'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. Christopher Chum is a gastroenterologist in Trenton, New Jersey
Dr. Chum practices at Hamilton Gastroenterology Group in Trenton, New Jersey.
Dr. Chum's NPI, 1144669532, was assigned on June 18, 2013. Dr. Chum graduated from New York College of Osteo Medicine of New York Institute of Technology in 2013. Dr. Chum holds New York license 285701.
- NPI
- 1144669532NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870820350
- NPI enumeration date
- June 18, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (609) 586-1319
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Chum practices at Hamilton Gastroenterology Group in Trenton, New Jersey
Dr. Chum's primary practice is Hamilton Gastroenterology Group, at 1374 Whitehorse Hamilton Square Rd, Trenton, NJ 08690 in Mercer County. The practice phone is (609) 586-1319.
- Hamilton Gastroenterology Group1374 Whitehorse Hamilton Square Rd, Trenton, NJ 08690 · Mercer CountyPhone(609) 586-1319
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher Chum is affiliated with 6 sites of care and 5 medical groups
Dr. Chum's primary practice is Hamilton Gastroenterology Group in Trenton, New Jersey. Dr. Chum is also affiliated with Capital Health Medical Center - Hopewell. The medical group on file is Allied Digestive Health. Dmand AI also links Dr. Chum to 2 more hospitals, 4 medical groups and 2 group practices and clinics, 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. Christopher Chum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chum practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hamilton Gastroenterology Group | Available with a free account |
| +5 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Chum is one of 691 gastroenterologists in New Jersey
Gastroenterology is Dr. Chum's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chum is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. Chum
Counts of gastroenterologists 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. Christopher Chum billed Medicare for 418 services in 2024
CMS data shows 418 Medicare services from Dr. Chum across 13 procedure codes in 2024, for 251 Medicare patients. Medicare paid $34,495 for them.
Dr. Chum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 762024: 345354%
- Surgery
- 2023: 122024: 61408%
- Imaging
- 2023: 02024: 12
Where Dr. Chum's Medicare services took place, 2024
- In an office6816%
- In a facility35084%
Dr. Chum compared with the New Jersey median for gastroenterologists, 2024
- Dr. Chum
- New Jersey median
- Medicare services
- 418vs 68539% below
- Medicare patients
- 251vs 37533% below
- Part D claims
- 82vs 61187% below
Medians across 674 gastroenterologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Chum'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chum and other gastroenterologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Chum treated 251 Medicare patients in 2024, average age 76
CMS counts 251 Medicare patients who saw Dr. Chum in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 2.39, 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. Chum's median patient age at 57, with 57% women.
Dr. Chum's Medicare patients by age, 2024
Dr. Chum's Medicare patients by sex, 2024
- Women13755%
- Men11445%
Chronic conditions among Dr. Chum's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease55%
- Diabetes54%
- Mood disorders45%
- Chronic kidney disease43%
- Depression39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Chum wrote 116 Medicare Part D claims in 2024
In 2024, Dr. Chum wrote 116 Medicare Part D claims for 76 patients. 87% of them were for generic drugs. CMS names the drug for 82 of them, across 2 drugs with 11 or more claims each, at $1,246 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Chum's Part D claims by kind of drug, 2024
- Generic101 claims87%
- Brand-name15 claims13%
Dr. Chum'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: 122024: 82583%
Drugs named by CMS: 2 in 2024, 1 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. Christopher Chum ranks in the 86th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Chum accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 160 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Chum, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Chum ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 86th percentile160 procedures
- Colonoscopy
- 72nd percentile72 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. Christopher Chum received $6,123 in industry payments from 2018 to 2025
CMS Open Payments shows 175 general payments to Dr. Chum from 28 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 56% of the total. Olympus Corporation of the Americas paid the most, $1,623.
General payments to Dr. Chum by program year, 2018 to 2025
General payments to Dr. Chum by kind, 2018 to 2025
- Food and beverage$3,40556%
- Travel and lodging$2,68844%
- Honoraria$300%
Companies that paid Dr. Chum the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Chum graduated from New York College of Osteo Medicine of New York Institute of Technology
Dr. Chum graduated from New York College of Osteo Medicine of New York Institute of Technology in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Chum'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 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) |
| 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 Dr. Christopher Chum
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. Christopher Chum's NPI number?
Dr. Christopher Chum's NPI number is 1144669532. It was assigned on June 18, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Chum?
Dr. Christopher Chum is a gastroenterologist in Trenton, New Jersey. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Christopher Chum practice?
Dr. Chum practices at 1374 Whitehorse Hamilton Square Rd, Trenton, NJ 08690. Dr. Chum's primary practice is Hamilton Gastroenterology Group in Trenton, New Jersey. Dmand AI also links Dr. Chum to 2 hospitals, 4 medical groups and 2 group practices and clinics.
What is Dr. Christopher Chum's office phone number?
The practice phone on file for Dr. Chum is (609) 586-1319.
What is Dr. Christopher Chum's medical license number?
Dr. Chum holds New York license 285701.
Which hospitals is Dr. Christopher Chum affiliated with?
Dr. Chum is affiliated with Capital Health Medical Center - Hopewell. Dmand AI links Dr. Chum to 2 more hospitals.
What medical group is Dr. Christopher Chum part of?
Dr. Chum is linked to Allied Digestive Health. Dmand AI links Dr. Chum to 4 more medical groups.
Does Dr. Christopher Chum accept Medicare?
Yes. CMS data shows Dr. Chum billed Medicare for 418 services in 2024, and Dr. Chum accepts Medicare assignment.
How many Medicare patients does Dr. Christopher Chum see?
CMS counts 251 Medicare patients who saw Dr. Chum in 2024, with an average age of 76.
What services does Dr. Christopher Chum bill to Medicare?
In 2024, Dr. Chum's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and surgery: digestive system (43239).
Show 4 more questionsShow fewer questions
Where did Dr. Christopher Chum go to medical school?
Dr. Chum graduated from New York College of Osteo Medicine of New York Institute of Technology in 2013.
What drugs does Dr. Christopher Chum prescribe most?
In 2024 Medicare Part D data, Dr. Chum's most prescribed drugs by claims were Gavilyte-G and Pantoprazole Sodium.
Has Dr. Christopher Chum received payments from drug or device companies?
CMS Open Payments shows $6,123 in general payments to Dr. Chum from 28 companies from 2018 to 2025. The largest total came from Olympus Corporation of the Americas.
How long has Dr. Christopher Chum been practicing?
Dr. Chum graduated from medical school in 2013, 13 years ago.
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