DR. CARL J DESELM MD
NPI 1366705840
Radiology - Radiation Oncology in Saint Louis, MO
About Dr. Carl J Deselm Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CARL J DESELM MD (NPI 1366705840) is an individual radiation oncology provider in Saint Louis, Missouri, licensed in Missouri (2018028678) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and is a graduate of Washington University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. Carl J Deselm 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
3Medicare enrollment records show Carl Deselm reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63108
- Reassigned Medicare billing, Illinois enrollment
- 530 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 45 clinicians in this Medicare group
Poplar Bluff, MO 63901
- Reassigned Medicare billing, Missouri enrollment
- 89 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Alton Memorial Hospital
Acute Care Hospitals · Alton, ILMemorial Hospital
Acute Care Hospitals · Belleville, ILBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOChristian Hospital Northeast
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Carl Deselm's NPI number?
The NPI number for Carl Deselm is 1366705840. It was assigned to this individual provider in the NPPES registry on June 20, 2012.
Where is Carl Deselm located?
Carl Deselm practices at 4921 Parkview Pl Dept Radiation Oncology, Ll, Saint Louis, MO 63110. The listed phone number is (314) 747-7236.
What is Carl Deselm's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Carl Deselm enrolled in Medicare?
Yes. Carl Deselm 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 Carl Deselm's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carl Deselm reassigns Medicare benefits to 3 organizations: Washington University Physicians In Illinois, Inc (Saint Louis, MO), Washington University (Saint Louis, MO) and Poplar Bluff Hma Physician Management, LLC (Poplar Bluff, MO). 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 Carl Deselm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carl Deselm accept?
Health plans from UnitedHealthcare list Carl Deselm 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 Carl Deselm affiliated with any hospitals?
According to CMS data, Carl Deselm is affiliated with Alton Memorial Hospital, Memorial Hospital, Barnes Jewish Hospital, Barnes-Jewish West County Hospital and Christian Hospital Northeast.
When was this NPI record last updated?
The NPPES record for Carl Deselm was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Carl J Deselm, MD · NPI 1366705840
Radiation Oncology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 20, 2012.
## Identity
- **NPI:** 1366705840 (Entity type: Individual)
- **Enumerated:** June 20, 2012
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** 2018028678 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4921 PARKVIEW PL, DEPT RADIATION ONCOLOGY, LL, Saint Louis, MO 63110-1032
- **Phone:** (314) 747-7236 · **Fax:** (314) 362-8099
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Washington University Physicians In Illinois, Inc (NPI 1457203135, Saint Louis, MO); Washington University (NPI 1316987886, Saint Louis, MO); Poplar Bluff Hma Physician Management, LLC (NPI 1598710147, Poplar Bluff, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 200063031 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1366705840) · Data from the CMS NPPES public registry.