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DR. CHRISTOPHER CHUM D.O.
NPI 1144669532
Internal Medicine - Gastroenterology in Brooklyn, NY

Active since June 18, 2013PECOS EnrolledAccepts Medicare Assignment
2601 OCEAN PKWY, BROOKLYN, NY 11235(718) 616-3000 Get Directions Write a Review

NPPES record last updated: September 27, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Christopher Chum D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHRISTOPHER CHUM D.O. (NPI 1144669532) is an individual gastroenterology provider in Brooklyn, New York, licensed in New York (285701) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital At Hamilton, and maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1144669532
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. CHRISTOPHER CHUMCredential: D.O.
Location Address2601 OCEAN PKWYBrooklyn, NY 11235
Mailing Address2601 Ocean PkwyBrooklyn, NY 11235-7791 · (718) 616-3000
Phone(718) 616-3000
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2013
Enumeration DateJune 18, 2013
Last NPPES UpdateSeptember 27, 2023
NPPES CertifiedSeptember 27, 2023
✔ NPI 1144669532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 285701
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
2601 OCEAN PKWY, Brooklyn, NY 11235
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Secondary Practice Location 1

Location 13058 Brighton 2nd StBrooklyn, NY 11235-7428 · Phone (718) 676-2084

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christopher Chum D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870820350
PECOS Enrollment IDI20190806002914, I20240507003510
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
163 services81 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
82 services79 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
19 services19 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
19 services18 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
19 services14 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
17 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Robert Wood Johnson University Hospital At Hamilton

Acute Care Hospitals · Hamilton, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310110
LocationOne Hamilton Health PlaceHamilton, NJ 08690 · Mercer County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11235 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LEYLA DAHBALI PA
Physician Assistant
2601 OCEAN PKWY, 8TH FLOOR ROOM 8N53
BROOKLYN, NY 11235
Kings County (718) 616-3260
DIMITRI LIVSHITS DO
Emergency Medicine
2601 OCEAN PKWY
BROOKLYN, NY 11235
Kings County (718) 616-3000
SAMIRA DUJA
Pharmacist
2601 OCEAN PKWY, 2N1D - INPATIENT PHARMACY
BROOKLYN, NY 11235
Kings County (718) 616-3636
RAJWOANA AHMED PHARMD
Pharmacist
2601 OCEAN PKWY
BROOKLYN, NY 11235
Kings County (718) 616-3000
RACHEL PASTERNAK
Physician Assistant
2601 OCEAN PKWY
BROOKLYN, NY 11235
Kings County (718) 616-3000
ARISTOTLE JOHN LYSSIKATOS DDS
Dentist (General Practice)
2601 OCEAN PKWY
BROOKLYN, NY 11235
Kings County (718) 319-4339
MS. ELIZABETH A CLEARY BS
Pharmacist
2601 OCEAN PKWY, PHARMACY DEPARTMENT
BROOKLYN, NY 11235
Kings County (718) 616-4080
DR. OLUFEMI OGUNSEMI DDS
Student in an Organized Health Care Education/Training Program
2601 OCEAN PKWY
BROOKLYN, NY 11235
Kings County (718) 449-1889

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Chum's NPI number?

The NPI number for Christopher Chum is 1144669532. It was assigned to this individual provider in the NPPES registry on June 18, 2013.

Where is Christopher Chum located?

Christopher Chum practices at 2601 Ocean Pkwy, Brooklyn, NY 11235. The listed phone number is (718) 616-3000.

What is Christopher Chum's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Christopher Chum enrolled in Medicare?

Yes. Christopher Chum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Christopher Chum affiliated with any hospitals?

According to CMS data, Christopher Chum is affiliated with Robert Wood Johnson University Hospital At Hamilton.

When was this NPI record last updated?

The NPPES record for Christopher Chum was last updated on September 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.