MATTHEW J BONZELET M.D.
NPI 1861626574
Internal Medicine in Saint Louis, MO
About Matthew J Bonzelet M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW J BONZELET M.D. (NPI 1861626574) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2012021730) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Saint Louis University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 2
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
Matthew J Bonzelet 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 Reassignments
2Medicare enrollment records show Matthew Bonzelet 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
- 10 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 6 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, 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.
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 Matthew Bonzelet's NPI number?
The NPI number for Matthew Bonzelet is 1861626574. It was assigned to this individual provider in the NPPES registry on May 8, 2009.
Where is Matthew Bonzelet located?
Matthew Bonzelet practices at 1110 Highlands Plaza Dr E, Saint Louis, MO 63110. The listed phone number is (314) 367-3113.
What is Matthew Bonzelet's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Matthew Bonzelet enrolled in Medicare?
Yes. Matthew Bonzelet 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 Matthew Bonzelet's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Bonzelet reassigns Medicare benefits to 2 organizations: Washington University Clinical Associates - Maryland Medical (Saint Louis, MO) and Washington University (Saint Louis, 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 Matthew Bonzelet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Bonzelet accept?
Health plans from UnitedHealthcare list Matthew Bonzelet 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 Matthew Bonzelet affiliated with any hospitals?
According to CMS data, Matthew Bonzelet is affiliated with Barnes Jewish Hospital and Barnes-Jewish West County Hospital.
When was this NPI record last updated?
The NPPES record for Matthew Bonzelet was last updated on May 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Matthew J Bonzelet, M.D. · NPI 1861626574
Internal Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 8, 2009.
## Identity
- **NPI:** 1861626574 (Entity type: Individual)
- **Enumerated:** May 8, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2012021730 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1110 HIGHLANDS PLAZA DR E, Saint Louis, MO 63110-1350
- **Phone:** (314) 367-3113
## 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 Clinical Associates - Maryland Medical (NPI 1376869255, Saint Louis, MO); Washington University (NPI 1013542877, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** May 29, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1861626574) · Data from the CMS NPPES public registry.