DANIEL ASH MD
NPI 1831583723
Hospitalist in Chicago, IL
About Daniel Ash Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANIEL ASH MD (NPI 1831583723) is an individual hospitalist provider in Chicago, Illinois, licensed in Illinois (036146144) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and is a graduate of Ohio State University College Of Medicine (2015).
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
Daniel 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 Reassignments
2Medicare enrollment records show Daniel Ash reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,127 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 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 4
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.
University Of Illinois Hospital And Clinics
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60612 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 3
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.
CHICAGO, IL 60612
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 Daniel Ash's NPI number?
The NPI number for Daniel Ash is 1831583723. It was assigned to this individual provider in the NPPES registry on March 27, 2015.
Where is Daniel Ash located?
Daniel Ash practices at 1740 W Taylor St, Chicago, IL 60612. The listed phone number is (866) 600-2273.
What is Daniel Ash's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Daniel Ash enrolled in Medicare?
Yes. Daniel 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 organizations bill Medicare for Daniel Ash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Ash reassigns Medicare benefits to 2 organizations: Board Of Trustees Of The University Of Illinois (Chicago, IL) and The University Of Chicago Medical Center (Chicago, IL). 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 Daniel Ash's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Daniel Ash accept?
Health plans from Oscar Health list Daniel 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 Daniel Ash affiliated with any hospitals?
According to CMS data, Daniel Ash is affiliated with University Of Illinois Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Daniel Ash was last updated on April 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.
# Daniel Ash, MD · NPI 1831583723
Hospitalist physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since March 27, 2015.
## Identity
- **NPI:** 1831583723 (Entity type: Individual)
- **Enumerated:** March 27, 2015
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 036146144 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1740 W TAYLOR ST, Chicago, IL 60612-7232
- **Phone:** (866) 600-2273
## 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): Board Of Trustees Of The University Of Illinois (NPI 1013136282, Chicago, IL); The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 2015
## Record status
- **NPPES last updated:** April 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1831583723) · Data from the CMS NPPES public registry.