NAOKI CHIBA MD
NPI 1801517719
Internal Medicine - Gastroenterology in Rochester, NY
About Naoki Chiba Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAOKI CHIBA MD (NPI 1801517719) is an individual gastroenterology provider in Rochester, New York, licensed in New York (315208) and active in the NPI registry since September 2022. He is enrolled in Medicare PECOS, is affiliated with St James Mercy Hospital, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Naoki Chiba 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.
Medicare Billing Reassignments
5Medicare enrollment records show Naoki Chiba reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 71 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 1,624 clinicians in this Medicare group
Rochester, NY 14620
- Reassigned Medicare billing, New York enrollment
- 303 clinicians in this Medicare group
Dansville, NY 14437
- Reassigned Medicare billing, New York enrollment
- 275 clinicians in this Medicare group
Hornell, NY 14843
- Reassigned Medicare billing, New York enrollment
- 436 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St James Mercy Hospital
Acute Care Hospitals · Hornell, NYHighland Hospital
Acute Care Hospitals · Rochester, NYNicholas H Noyes Memorial Hospital
Acute Care Hospitals · Dansville, NYStrong Memorial Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14642 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
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 Naoki Chiba's NPI number?
The NPI number for Naoki Chiba is 1801517719. It was assigned to this individual provider in the NPPES registry on September 8, 2022.
Where is Naoki Chiba located?
Naoki Chiba practices at 601 Elmwood Ave, Rochester, NY 14642. The listed phone number is (585) 275-4711.
What is Naoki Chiba's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Naoki Chiba enrolled in Medicare?
Yes. Naoki Chiba 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.
Which organizations bill Medicare for Naoki Chiba's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Naoki Chiba reassigns Medicare benefits to 5 organizations: Gastrointestinal Group (Rochester, NY), University Of Rochester (Rochester, NY), Highland Hospital Of Rochester (Rochester, NY), Nicholas H. Noyes Memorial Hospital (Dansville, NY) and St James Hospital (Hornell, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Naoki Chiba's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Naoki Chiba affiliated with any hospitals?
According to CMS data, Naoki Chiba is affiliated with St James Mercy Hospital, Highland Hospital, Nicholas H Noyes Memorial Hospital and Strong Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Naoki Chiba was last updated on July 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.