MONTACER BELFANCHA NP
NPI 1639914609
Nurse Practitioner in Lake St Louis, MO
About Montacer Belfancha Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONTACER BELFANCHA NP (NPI 1639914609) is an individual nurse practitioner in Lake St Louis, Missouri, licensed in Missouri (2024030419) and active in the NPI registry since July 2024. He is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Hospital West, and maintains a secondary practice location in Sullivan.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Montacer Belfancha Np 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 Montacer Belfancha reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lake St Louis, MO 63367
- Reassigned Medicare billing, Missouri enrollment
- 269 clinicians in this Medicare group
Saint Clair, MO 63077
- Reassigned Medicare billing, Missouri enrollment
- 76 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm St Joseph Hospital West
Acute Care Hospitals · Lake Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63367 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.
LAKE ST LOUIS, MO 63367
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 Montacer Belfancha's NPI number?
The NPI number for Montacer Belfancha is 1639914609. It was assigned to this individual provider in the NPPES registry on July 1, 2024.
Where is Montacer Belfancha located?
Montacer Belfancha practices at 100 Medical Plz, Lake St Louis, MO 63367. The listed phone number is (636) 584-4803.
What is Montacer Belfancha's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Montacer Belfancha enrolled in Medicare?
Yes. Montacer Belfancha 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 Montacer Belfancha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Montacer Belfancha reassigns Medicare benefits to 2 organizations: Cep America LLC (Lake St Louis, MO) and Missouri Baptist Hospital Of Sullivan (Saint Clair, 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 Montacer Belfancha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Montacer Belfancha accept?
Health plans from Anthem Blue Cross and Blue Shield list Montacer Belfancha 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 Montacer Belfancha affiliated with any hospitals?
According to CMS data, Montacer Belfancha is affiliated with Ssm St Joseph Hospital West.
When was this NPI record last updated?
The NPPES record for Montacer Belfancha was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Montacer Belfancha, NP · NPI 1639914609
Nurse Practitioner physician in Lake St Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 1, 2024.
## Identity
- **NPI:** 1639914609 (Entity type: Individual)
- **Enumerated:** July 1, 2024
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 2024030419 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 MEDICAL PLZ, Lake St Louis, MO 63367-1366
- **Phone:** (636) 584-4803
## 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): Cep America LLC (NPI 1982259305, Lake St Louis, MO); Missouri Baptist Hospital Of Sullivan (NPI 1790953909, Saint Clair, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** September 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639914609) · Data from the CMS NPPES public registry.