DR. SHANT AYANIAN M.D.
NPI 1720390503
Hospitalist in Rochester, MN
About Dr. Shant Ayanian M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHANT AYANIAN M.D. (NPI 1720390503) is an individual hospitalist provider in Rochester, Minnesota, licensed in Minnesota (68673) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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. Shant Ayanian 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
2Medicare enrollment records show Shant Ayanian reassigns Medicare billing to 2 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
Vienna, VA 22180
- Reassigned Medicare billing, Virginia enrollment
- 2,379 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
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 Shant Ayanian's NPI number?
The NPI number for Shant Ayanian is 1720390503. It was assigned to this individual provider in the NPPES registry on July 8, 2010.
Where is Shant Ayanian located?
Shant Ayanian practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.
What is Shant Ayanian's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Shant Ayanian enrolled in Medicare?
Yes. Shant Ayanian 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 Shant Ayanian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shant Ayanian reassigns Medicare benefits to 2 organizations: Mayo Clinic (Rochester, MN) and Inova Health Care Services (Vienna, VA). 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 Shant Ayanian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Shant Ayanian affiliated with any hospitals?
According to CMS data, Shant Ayanian is affiliated with Mayo Clinic Hospital Rochester.
When was this NPI record last updated?
The NPPES record for Shant Ayanian was last updated on May 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Shant Ayanian, M.D. · NPI 1720390503
Hospitalist physician in Rochester, Minnesota. Individual provider, active in the CMS NPPES registry since July 8, 2010.
## Identity
- **NPI:** 1720390503 (Entity type: Individual)
- **Enumerated:** July 8, 2010
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 68673 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 1ST ST SW, Rochester, MN 55905-2342
- **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:** 2 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic (NPI 1114343860, Rochester, MN); Inova Health Care Services (NPI 1275886418, Vienna, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** May 14, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1720390503) · Data from the CMS NPPES public registry.