STEVEN P. AARONSON
NPI 1326081951
Emergency Medicine in Denver, CO
About Steven P. Aaronson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN P. AARONSON (NPI 1326081951) is an individual emergency medicine provider in Denver, Colorado, licensed in Colorado (DR.0053770) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 14
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Steven P. Aaronson is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Steven Aaronson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sunnyvale, TX 75182
- Reassigned Medicare billing, Texas enrollment
- 44 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- 414 clinicians in this Medicare group
Ocala, FL 34474
- Reassigned Medicare billing, Florida enrollment
- 181 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80218 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.
DENVER, CO 80218
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 Steven Aaronson's NPI number?
The NPI number for Steven Aaronson is 1326081951. It was assigned to this individual provider in the NPPES registry on June 13, 2006. The provider is also known as Steven P. Aaronson MD.
Where is Steven Aaronson located?
Steven Aaronson practices at 1719 E 19th Ave, Denver, CO 80218. The listed phone number is (303) 839-7111.
What is Steven Aaronson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Steven Aaronson enrolled in Medicare?
Yes. Steven Aaronson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Steven Aaronson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Aaronson reassigns Medicare benefits to 3 organizations: Ray Hubbard Emergency Physicians PLLC (Sunnyvale, TX), Emergency Medicine Services Of Tn, PC (Nashville, TN) and Sheridan Emergency Physician Services, Inc (Ocala, FL). 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 Steven Aaronson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Aaronson accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Health Plan, Inc. and Oscar Insurance Company list Steven Aaronson 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.
When was this NPI record last updated?
The NPPES record for Steven Aaronson was last updated on May 12, 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.
# Steven P. Aaronson · NPI 1326081951
Emergency Medicine physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since June 13, 2006.
## Identity
- **NPI:** 1326081951 (Entity type: Individual)
- **Enumerated:** June 13, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** DR.0053770 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1719 E 19TH AVE, Denver, CO 80218-1235
- **Phone:** (303) 839-7111 · **Fax:** (303) 306-7753
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Ray Hubbard Emergency Physicians PLLC (NPI 1073905568, Sunnyvale, TX); Emergency Medicine Services Of Tn, PC (NPI 1720785884, Nashville, TN); Sheridan Emergency Physician Services, Inc (NPI 1528206992, Ocala, FL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 12, 2015
- **Other identifiers:** Other 4151044 (TN); Medicare PIN 3060975 (TN); Other P00199939 (TN); and 11 more
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Source: [NPI Profile](https://npiprofile.com/npi/1326081951) · Data from the CMS NPPES public registry.