HORNG H CHEN M.D.
NPI 1073599320
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Rochester, MN
About Horng H Chen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HORNG H CHEN M.D. (NPI 1073599320) is an individual advanced heart failure and transplant cardiology provider in Rochester, Minnesota, licensed in Minnesota (38995) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Horng H Chen 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
9Medicare enrollment records show Horng Chen reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 clinicians in this Medicare group
Lake City, MN 55041
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1164463659 (Minnesota)
- 675 clinicians in this Medicare group
Red Wing, MN 55066
- Reassigned Medicare billing, Minnesota enrollment
- 1,571 clinicians in this Medicare group
Mabel, MN 55954
- Reassigned Medicare billing, Minnesota and Iowa enrollments
- Also billed through NPI 1750042032 (Iowa), NPI 1619922051 (Iowa)
- 108 clinicians in this Medicare group
Waseca, MN 56093
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1740256668 (Minnesota), NPI 1124035282 (Minnesota)
- 1,572 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- 330 clinicians in this Medicare group
Menomonie, WI 54751
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- 251 clinicians in this Medicare group
Fairmont, MN 56031
- Reassigned Medicare billing, Minnesota enrollment
- 806 clinicians in this Medicare group
Saint James, MN 56081
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1023177730 (Minnesota)
- 390 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 11
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic Hospital Rochester
Acute Care Hospitals · Rochester, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55905 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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, MN 55905
ROCHESTER, MN 55905
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 Horng Chen's NPI number?
The NPI number for Horng Chen is 1073599320. It was assigned to this individual provider in the NPPES registry on December 19, 2005.
Where is Horng Chen located?
Horng Chen practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.
What is Horng Chen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.
Is Horng Chen enrolled in Medicare?
Yes. Horng Chen 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 Horng Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Horng Chen reassigns Medicare benefits to 9 organizations: Mayo Clinic (Rochester, MN), Mayo Clinic Health System-Lake City (Lake City, MN), Mayo Clinic Health System-Southeast Minnesota Region (Red Wing, MN), Winneshiek Medical Center (Mabel, MN), Mayo Clinic Health System-Southwest Minnesota Region (Waseca, MN) and 4 more organizations, listed in the Medicare section above. 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 Horng Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Horng Chen accept?
Health plans from Oscar Insurance Company, Sanford Health Plan and Wellmark Health Plan of Iowa, Inc. list Horng Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Horng Chen affiliated with any hospitals?
According to CMS data, Horng Chen is affiliated with Mayo Clinic Hospital Rochester.
When was this NPI record last updated?
The NPPES record for Horng Chen was last updated on August 12, 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.
# Horng H Chen, M.D. · NPI 1073599320
Advanced Heart Failure and Transplant Cardiology physician in Rochester, Minnesota. Individual provider, active in the CMS NPPES registry since December 19, 2005.
## Identity
- **NPI:** 1073599320 (Entity type: Individual)
- **Enumerated:** December 19, 2005
- **Primary specialty:** Internal Medicine - Advanced Heart Failure and Transplant Cardiology · taxonomy 207RA0001X
- **State license:** 38995 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 1ST ST SW, Rochester, MN 55905-0001
- **Phone:** (507) 284-2511
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic (NPI 1114343860, Rochester, MN); Mayo Clinic Health System-Lake City (NPI 1538113022, Lake City, MN); Mayo Clinic Health System-Southeast Minnesota Region (NPI 1114453883, Red Wing, MN); Winneshiek Medical Center (NPI 1093857393, Mabel, MN); Mayo Clinic Health System-Southwest Minnesota Region (NPI 1518494251, Waseca, MN); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** August 12, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1073599320) · Data from the CMS NPPES public registry.