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RANDY CHEUNG MD
NPI 1720540883
Internal Medicine - Gastroenterology in Williamsville, NY

Active since April 05, 2019PECOS EnrolledAccepts Medicare Assignment
111 N MAPLEMERE RD STE 200, WILLIAMSVILLE, NY 14221(716) 626-2644(716) 626-2660 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 11, 2025, Apr 5, 2019 (2 updates tracked since 2019).

About Randy Cheung Md NPPES

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

RANDY CHEUNG MD (NPI 1720540883) is an individual gastroenterology provider in Williamsville, New York, licensed in New York (317837) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1720540883
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameRANDY CHEUNGCredential: MD
Location Address111 N MAPLEMERE RD STE 200Williamsville, NY 14221-3182
Mailing AddressPo Box 8000, Dept 301Buffalo, NY 14267-0002 · (716) 852-4772
Phone(716) 626-2644
Fax(716) 626-2660
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2019
Enumeration DateApril 5, 2019
Last NPPES UpdateDecember 11, 20252 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
✔ NPI 1720540883 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 · 317837
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.
111 N MAPLEMERE RD STE 200, Williamsville, NY 14221
Open in Google Maps ↗

Secondary Practice Locations 2

Location 16009 S Transit RdLockport, NY 14094-6353 · Phone (716) 626-2644 · Fax (716) 626-2660
Location 21091 Main St Ste 301Buffalo, NY 14209-2398 · Phone (716) 626-2644 · Fax (716) 626-2660

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

Randy Cheung Md 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 ID8224365515
PECOS Enrollment IDI20260130002744
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.

Hospital Affiliations CMS Care Compare

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

Kaleida Health

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330005
Location100 High StreetBuffalo, NY 14210 · Erie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
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 6

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

MRS. COURTNEY MARIE CARDINAL-KARP PHARMD
Pharmacist
111 N MAPLEMERE RD STE 200
WILLIAMSVILLE, NY 14221
Erie County (716) 800-2273
MR. MARK STEPHEN ST MARIE MD
Internal Medicine (Gastroenterology)
111 N MAPLEMERE RD STE 200
WILLIAMSVILLE, NY 14221
Erie County (716) 626-2644
MIRANDA BUTLER
Nurse Practitioner (Family)
111 N MAPLEMERE RD STE 200
WILLIAMSVILLE, NY 14221
Erie County (716) 899-4772
DR. GINA MARIE MANGIONE MD
Internal Medicine
111 N MAPLEMERE RD STE 200
WILLIAMSVILLE, NY 14221
Erie County (716) 626-2644
MRS. JORDAN RAE VERRALL FNP
Nurse Practitioner (Family)
111 N MAPLEMERE RD STE 200
WILLIAMSVILLE, NY 14221
Erie County (716) 626-2644
DR. CHIDIMMA ODUWEGWU M.D.
Internal Medicine
111 N MAPLEMERE RD STE 200
WILLIAMSVILLE, NY 14221
Erie County (716) 899-4772

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 Randy Cheung's NPI number?

The NPI number for Randy Cheung is 1720540883. It was assigned to this individual provider in the NPPES registry on April 5, 2019.

Where is Randy Cheung located?

Randy Cheung practices at 111 N Maplemere Rd Ste 200, Williamsville, NY 14221. The listed phone number is (716) 626-2644.

What is Randy Cheung's specialty?

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

Is Randy Cheung enrolled in Medicare?

Yes. Randy Cheung 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 Randy Cheung affiliated with any hospitals?

According to CMS data, Randy Cheung is affiliated with Kaleida Health.

When was this NPI record last updated?

The NPPES record for Randy Cheung was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.