DR. VINCENT JOSEPH DUENAS MD
NPI 1083142152
Hospitalist in O Fallon, IL
About Dr. Vincent Joseph Duenas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VINCENT JOSEPH DUENAS MD (NPI 1083142152) is an individual hospitalist provider in O Fallon, Illinois, licensed in Illinois (036.152811) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Hshs Holy Family Hospital Inc, and is a graduate of Saint Louis University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
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. Vincent Joseph Duenas 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 Vincent Duenas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
O Fallon, IL 62269
- Reassigned Medicare billing, Illinois enrollment
- 329 clinicians in this Medicare group
Shiloh, IL 62269
- Reassigned Medicare billing, Illinois enrollment
- 51 clinicians in this Medicare group
Litchfield, IL 62056
- Reassigned Medicare billing, Illinois enrollment
- 60 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 6
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hshs Holy Family Hospital Inc
Acute Care Hospitals · Greenville, ILSt Josephs Hospital
Acute Care Hospitals · Breese, ILHshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILSt Joseph's Hospital
Critical Access Hospitals · Highland, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62269 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.
O FALLON, IL 62269
O FALLON, IL 62269
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 Vincent Duenas's NPI number?
The NPI number for Vincent Duenas is 1083142152. It was assigned to this individual provider in the NPPES registry on June 1, 2017.
Where is Vincent Duenas located?
Vincent Duenas practices at 1 Saint Elizabeth Blvd, O Fallon, IL 62269. The listed phone number is (618) 234-2120.
What is Vincent Duenas's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Vincent Duenas enrolled in Medicare?
Yes. Vincent Duenas 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 Vincent Duenas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vincent Duenas reassigns Medicare benefits to 3 organizations: Cep America-Illinois Hospitalists, LLP (O Fallon, IL), Cep America - Illinois Snf, LLP (Shiloh, IL) and St Francis Hospital Of The Hospital Sisters Of The Third Order Of St F (Litchfield, IL). 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 Vincent Duenas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Vincent Duenas affiliated with any hospitals?
According to CMS data, Vincent Duenas is affiliated with Hshs Holy Family Hospital Inc, St Josephs Hospital, Hshs St Elizabeth's Hospital and St Joseph's Hospital.
When was this NPI record last updated?
The NPPES record for Vincent Duenas was last updated on October 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Vincent Joseph Duenas, MD · NPI 1083142152
Hospitalist physician in O Fallon, Illinois. Individual provider, active in the CMS NPPES registry since June 1, 2017.
## Identity
- **NPI:** 1083142152 (Entity type: Individual)
- **Enumerated:** June 1, 2017
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 036.152811 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 SAINT ELIZABETH BLVD, O Fallon, IL 62269-1099
- **Phone:** (618) 234-2120
## 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): Cep America-Illinois Hospitalists, LLP (NPI 1093380180, O Fallon, IL); Cep America - Illinois Snf, LLP (NPI 1942712476, Shiloh, IL); St Francis Hospital Of The Hospital Sisters Of The Third Order Of St F (NPI 1326057076, Litchfield, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** October 31, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1083142152) · Data from the CMS NPPES public registry.