DR. ALEXANDER DING M.D.
NPI 1871778720
Radiology - Diagnostic Radiology in Louisville, KY
About Dr. Alexander Ding M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER DING M.D. (NPI 1871778720) is an individual diagnostic radiology provider in Louisville, Kentucky, licensed in Kentucky (53807) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Jewish Hospital & St Mary's Healthcare, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Dr. Alexander Ding M.d. 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
3Medicare enrollment records show Alexander Ding reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Louisville, KY 40202
- Reassigned Medicare billing, Kentucky enrollment
- Medicare enrollment name: University Of Louisville Physicians Inc
- 2,337 clinicians in this Medicare group
East Palo Alto, CA 94303
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of San Mateo
- 597 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 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 10
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Jewish Hospital & St Mary's Healthcare
Acute Care Hospitals · Louisville, KYUniversity Of Louisville Hospital
Acute Care Hospitals · Louisville, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40202 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
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 Alexander Ding's NPI number?
The NPI number for Alexander Ding is 1871778720. It was assigned to this individual provider in the NPPES registry on January 9, 2008.
Where is Alexander Ding located?
Alexander Ding practices at 530 S Jackson St Ste C07, Louisville, KY 40202. The listed phone number is (502) 852-5875.
What is Alexander Ding's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Alexander Ding enrolled in Medicare?
Yes. Alexander Ding 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 Alexander Ding's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Ding reassigns Medicare benefits to 3 organizations: University Of Louisville Phyisicians, Inc. (Louisville, KY), San Mateo County (East Palo Alto, CA) and University Of California San Francisco (San Francisco, CA). 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 Alexander Ding's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Ding affiliated with any hospitals?
According to CMS data, Alexander Ding is affiliated with Jewish Hospital & St Mary's Healthcare and University Of Louisville Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Ding was last updated on September 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.