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Certified Registered Nurse Anesthetist (CRNA)

Marylou C. Blais, CNA

Works at hospitals in Norfolk, VA · Virginia

Summary

Marylou C. Blais, CNA is a nurse anesthetist at 1060 1st Colonial Rd, Virginia Bch, VA 23454. Phone: (757) 473-0055. Accepts Medicare assignment. In 2024, Marylou C. Blais had 17 Original Medicare patients and 21 services. NPI 1700372794. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 1060 1st Colonial Rd, Virginia Bch, VA 23454 · Directions (1 more location)
  • Phone: (757) 473‑0055
  • Medicare: Accepts Medicare assignment
  • Hospitals: Sentara Leigh Hospital, Sentara Norfolk General Hospital
  • Group practice: Atlantic Anesthesia, Inc
  • School: Uniformed Services Uhs Fe Hebert School Of Med · graduated 2018
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Marylou C. Blais, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Marylou C. Blais accept Medicare assignment?
Yes. Medicare's clinician data says Marylou C. Blais accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Marylou C. Blais see?
In 2024, CMS data shows 17 Original Medicare patients and 21 services for Marylou C. Blais. This counts Original Medicare only and measures volume, not quality.
What is Marylou C. Blais's NPI number?
1700372794. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Marylou C. Blais, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients17
Services billed to Medicare21
Different services or procedures16
Participating Medicare providerYes
Average age of these patients71

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis75%

Hospitals where Marylou C. Blais works

Medicare's Facility Affiliation Data lists Marylou C. Blais at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Marylou C. Blais is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marylou C. Blais as a member of this group (CMS data updated October 2, 2026).

  • Atlantic Anesthesia, Inc164 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Virginia →

Other nurse anesthetists in Virginia Bch

Clinicians with the same Medicare primary specialty in Virginia Bch, VA — not a recommendation.

All nurse anesthetists in Virginia Bch →

Other clinicians in Atlantic Anesthesia, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialCNA
SchoolUniformed Services Uhs Fe Hebert School Of Med
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700372794
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians