CATHERINE CHIU TAN MD
NPI 1508886219
Internal Medicine in Rochester, NY
About Catherine Chiu Tan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE CHIU TAN MD (NPI 1508886219) is an individual internal medicine provider in Rochester, New York, licensed in New York (201582) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Rochester General Hospital, and is a graduate of Albany Medical College Of Union University (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Catherine Chiu Tan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Catherine Tan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rochester, NY 14623
- Reassigned Medicare billing, New York enrollment
- 9 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 8
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rochester General Hospital
Acute Care Hospitals · Rochester, NYHighland Hospital
Acute Care Hospitals · Rochester, NYStrong Memorial Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14623 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 14623
ROCHESTER, NY 14623
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 Catherine Tan's NPI number?
The NPI number for Catherine Tan is 1508886219. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Catherine Tan located?
Catherine Tan practices at 300 White Spruce Blvd Suite 100, Rochester, NY 14623. The listed phone number is (585) 424-5440.
What is Catherine Tan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Catherine Tan enrolled in Medicare?
Yes. Catherine Tan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Catherine Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Tan reassigns Medicare benefits to Internal Medicine Of Brighton, PLLC (Rochester, NY). The 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 Catherine Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Catherine Tan affiliated with any hospitals?
According to CMS data, Catherine Tan is affiliated with Rochester General Hospital, Highland Hospital and Strong Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Catherine Tan was last updated on July 31, 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.