MARYLOU BLAIS
NPI 1700372794
Nurse Anesthetist, Certified Registered in Oceanside, CA
About Marylou Blais NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYLOU BLAIS (NPI 1700372794) is an individual nurse anesthetist, certified registered in Oceanside, California, licensed in California (95001321) and active in the NPI registry since July 2018. She is affiliated with Sentara Norfolk General Hospital, maintains a secondary practice location in San Diego, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (2018).
NPPES Registry Identity
Specialties & Licenses
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
Marylou Blais 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 Marylou Blais reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Temecula, CA 92592
- Reassigned Medicare billing, California enrollment
- 40 clinicians in this Medicare group
Murrieta, CA 92562
- Reassigned Medicare billing, California enrollment
- 40 clinicians in this Medicare group
Virginia Beach, VA 23462
- Reassigned Medicare billing, Virginia enrollment
- 321 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sentara Norfolk General Hospital
Acute Care Hospitals · Norfolk, VASentara Leigh Hospital
Acute Care Hospitals · Norfolk, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92055 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.
CAMP PENDLETON, CA 92055
OCEANSIDE, CA 92055
CAMP PENDLETON, CA 92055
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 Marylou Blais's NPI number?
The NPI number for Marylou Blais is 1700372794. It was assigned to this individual provider in the NPPES registry on July 2, 2018.
Where is Marylou Blais located?
Marylou Blais practices at 200 Mercy Circle, Oceanside, CA 92055. The listed phone number is (760) 685-1296.
What is Marylou Blais's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Marylou Blais enrolled in Medicare?
Yes. Marylou Blais 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 Marylou Blais's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marylou Blais reassigns Medicare benefits to 3 organizations: Temecula Ca United Surgery Center LP (Temecula, CA), Temecula Ca Endoscopy ASC LP (Murrieta, CA) and Atlantic Anesthesia, Inc (Virginia Beach, VA). 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 Marylou Blais's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marylou Blais affiliated with any hospitals?
According to CMS data, Marylou Blais is affiliated with Sentara Norfolk General Hospital and Sentara Leigh Hospital.
When was this NPI record last updated?
The NPPES record for Marylou Blais was last updated on April 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Marylou Blais · NPI 1700372794
Nurse Anesthetist, Certified Registered physician in Oceanside, California. Individual provider, active in the CMS NPPES registry since July 2, 2018.
## Identity
- **NPI:** 1700372794 (Entity type: Individual)
- **Enumerated:** July 2, 2018
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95001321 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 MERCY CIRCLE, Oceanside, CA 92055
- **Phone:** (760) 685-1296
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Temecula Ca United Surgery Center LP (NPI 1013376482, Temecula, CA); Temecula Ca Endoscopy ASC LP (NPI 1285863696, Murrieta, CA); Atlantic Anesthesia, Inc (NPI 1720181514, Virginia Beach, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Uniformed Services Uhs Fe Hebert School Of Med, class of 2018
## Record status
- **NPPES last updated:** April 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1700372794) · Data from the CMS NPPES public registry.