DR. SAMUEL ROULEAU
NPI 1851982326
Internal Medicine - Critical Care Medicine in Fairfield, CA
About Dr. Samuel Rouleau NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAMUEL ROULEAU (NPI 1851982326) is an individual critical care medicine provider in Fairfield, California, licensed in California (A182584) and active in the NPI registry since January 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Sacramento, and is a graduate of Mayo Medical School (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Samuel Rouleau 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 Reassignment
Medicare enrollment records show Samuel Rouleau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Concord, CA 94520
- Reassigned Medicare billing, California enrollment
- 2,323 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 94535 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.
TRAVIS AFB, CA 94535
TRAVIS AFB, CA 94535
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 Samuel Rouleau's NPI number?
The NPI number for Samuel Rouleau is 1851982326. It was assigned to this individual provider in the NPPES registry on January 28, 2021.
Where is Samuel Rouleau located?
Samuel Rouleau practices at 101 Bodin Cir, Fairfield, CA 94535. The listed phone number is (707) 423-3000.
What is Samuel Rouleau's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Samuel Rouleau enrolled in Medicare?
Yes. Samuel Rouleau 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 organization bills Medicare for Samuel Rouleau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Rouleau reassigns Medicare benefits to Cep America - California (Concord, CA). The 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 Samuel Rouleau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Samuel Rouleau was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Samuel Rouleau · NPI 1851982326
Critical Care Medicine physician in Fairfield, California. Individual provider, active in the CMS NPPES registry since January 28, 2021.
## Identity
- **NPI:** 1851982326 (Entity type: Individual)
- **Enumerated:** January 28, 2021
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** A182584 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 BODIN CIR, Fairfield, CA 94535-1809
- **Phone:** (707) 423-3000
## 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:** Cep America - California (NPI 1538180807, Concord, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Mayo Medical School, class of 2021
## Record status
- **NPPES last updated:** August 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851982326) · Data from the CMS NPPES public registry.