KATHERINE NICOLE ASH MD
NPI 1891053385
Emergency Medicine in Indianapolis, IN
About Katherine Nicole Ash Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE NICOLE ASH MD (NPI 1891053385) is an individual emergency medicine provider in Indianapolis, Indiana, licensed in Indiana (01075000A) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, is affiliated with Valley Medical Center, and is a graduate of Indiana University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
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
Katherine Nicole Ash 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 Reassignment
Medicare enrollment records show Katherine Ash reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Associated Emergency Room Physicians Inc Ps
- 48 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 6
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.
Valley Medical Center
Acute Care Hospitals · Renton, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46202 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.
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
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 Katherine Ash's NPI number?
The NPI number for Katherine Ash is 1891053385. It was assigned to this individual provider in the NPPES registry on May 2, 2012.
Where is Katherine Ash located?
Katherine Ash practices at 1120 South Dr Fesler Hall, Room 224, Indianapolis, IN 46202. The listed phone number is (317) 355-5041.
What is Katherine Ash's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Katherine Ash enrolled in Medicare?
Yes. Katherine Ash 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 organization bills Medicare for Katherine Ash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Ash reassigns Medicare benefits to Associated Emergency Room Physicians, Inc P.S. (Renton, WA). 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 Katherine Ash's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Ash accept?
Health plans from CareSource list Katherine Ash 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 Katherine Ash affiliated with any hospitals?
According to CMS data, Katherine Ash is affiliated with Valley Medical Center.
When was this NPI record last updated?
The NPPES record for Katherine Ash was last updated on June 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Katherine Nicole Ash, MD · NPI 1891053385
Emergency Medicine physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since May 2, 2012.
## Identity
- **NPI:** 1891053385 (Entity type: Individual)
- **Enumerated:** May 2, 2012
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 01075000A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1120 SOUTH DR, FESLER HALL, ROOM 224, Indianapolis, IN 46202-5135
- **Phone:** (317) 355-5041
## 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:** Associated Emergency Room Physicians, Inc P.S. (NPI 1861480840, Renton, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** June 16, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1891053385) · Data from the CMS NPPES public registry.