DANIEL MARSHALL AARONSON M.D.
NPI 1679937908
Neurological Surgery in Saint Louis, MO
About Daniel Marshall Aaronson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANIEL MARSHALL AARONSON M.D. (NPI 1679937908) is an individual neurological surgery provider in Saint Louis, Missouri, licensed in Missouri (1679937908) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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 Marshall Aaronson 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 Reassignment
Medicare enrollment records show Daniel Aaronson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Mary's Hospital -Centralia
Acute Care Hospitals · Centralia, ILSsm Health Saint Louis University Hospital
Acute Care Hospitals · Saint Louis, MOSsm St Joseph Hospital West
Acute Care Hospitals · Lake Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63104 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.
SAINT LOUIS, MO 63104
SAINT LOUIS, MO 63104
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 Aaronson's NPI number?
The NPI number for Daniel Aaronson is 1679937908. It was assigned to this individual provider in the NPPES registry on April 13, 2016.
Where is Daniel Aaronson located?
Daniel Aaronson practices at 1201 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 617-2000.
What is Daniel Aaronson's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Daniel Aaronson enrolled in Medicare?
Yes. Daniel Aaronson 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 Daniel Aaronson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Aaronson reassigns Medicare benefits to Ssm Health Care Group (Saint Louis, MO). 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 Daniel Aaronson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Daniel Aaronson accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Daniel 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.
Is Daniel Aaronson affiliated with any hospitals?
According to CMS data, Daniel Aaronson is affiliated with Ssm Health St Mary's Hospital -Centralia, Ssm Health Saint Louis University Hospital and Ssm St Joseph Hospital West.
When was this NPI record last updated?
The NPPES record for Daniel Aaronson was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.