DR. JONAS MARSCHALL MD
NPI 1609074558
Internal Medicine - Infectious Disease in Saint Louis, MO
About Dr. Jonas Marschall Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JONAS MARSCHALL MD (NPI 1609074558) is an individual infectious disease provider in Saint Louis, Missouri, licensed in Missouri (2009023138) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 2
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. Jonas Marschall 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 Jonas Marschall reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 553 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 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
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 Jonas Marschall's NPI number?
The NPI number for Jonas Marschall is 1609074558. It was assigned to this individual provider in the NPPES registry on July 3, 2007.
Where is Jonas Marschall located?
Jonas Marschall practices at 620 S Taylor Ave Div Im Infectious Disease, Ste 100, Saint Louis, MO 63110. The listed phone number is (314) 747-1206.
What is Jonas Marschall's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Jonas Marschall enrolled in Medicare?
Yes. Jonas Marschall 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 Jonas Marschall's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonas Marschall reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Banner - University Physician Specialists LLC (Phoenix, AZ). 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 Jonas Marschall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonas Marschall accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Jonas Marschall 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 Jonas Marschall was last updated on April 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Jonas Marschall, MD · NPI 1609074558
Infectious Disease physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 3, 2007.
## Identity
- **NPI:** 1609074558 (Entity type: Individual)
- **Enumerated:** July 3, 2007
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 2009023138 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 620 S TAYLOR AVE, DIV IM INFECTIOUS DISEASE, STE 100, Saint Louis, MO 63110-1035
- **Phone:** (314) 747-1206 · **Fax:** (314) 454-5392
## 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): Washington University (NPI 1992746903, Saint Louis, MO); Banner - University Physician Specialists LLC (NPI 1417312760, Phoenix, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** April 25, 2024
- **Other identifiers:** Medicaid 209427103 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1609074558) · Data from the CMS NPPES public registry.