Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. JOHN A OLSON JR., MD
DeactivatedDR. JOHN A OLSON JR., MD is a Surgical Oncology healthcare provider located in SAINT LOUIS, Missouri. NPI 1649370750 is deactivated in the NPPES registry. Verify at CMS.
Surgical Oncology · SAINT LOUIS, MO
This NPI has been deactivated.
The record was deactivated on July 17, 2007.
Deactivated NPIs are no longer valid for billing or credentialing. The provider may have retired, changed practice status, or had their NPI administratively deactivated.
Verify current licensure status with the NPPES NPI Registry or the relevant state medical board before relying on this record.
Registration Details
- NPI Number
- 1649370750
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Sep 25, 2006 (0.80821917808219 yrs)
- Last Updated
- Apr 17, 2025
- Deactivated
- Jul 17, 2007
- Licenses
-
2022028862 (MO)2022028862 (MO)
Practice Information
- Address
-
1 BARNES JEWISH HOSPITAL PLZDIV SURG ONCOLOGYSAINT LOUIS, MO, 631101003Browse MO providers · Browse ZIP 63110
- Phone
- 3143622280
- Fax
- 8883528360
- Primary Specialty
-
Surgical Oncology
2086X0206X
- Additional Specialty
- General Surgery
Other Surgical Oncology Providers in SAINT LOUIS, MO
| Name | Credential | NPI |
|---|---|---|
| DR. RYAN COURTNEY FIELDS | MD | 1912900440 |
| DR. JULIE A MARGENTHALER | MD | 1750307054 |
| DR. TIMOTHY J EBERLEIN | MD | 1225054455 |
| DR. BRUCE LEE HALL | MD | 1376560839 |
| DR. WILLIAM E GILLANDERS | MD | 1720006364 |
| DR. REBECCA L AFT | MD | 1164440897 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.