MS. MARY ELLEN ERNST (CRNA) – Certified Registered Nurse Anesthetist, NPI 1477864213

MS. MARY ELLEN ERNST (CRNA) is a healthcare provider. based in Saint louis, Missouri. specializing in CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA). They hold the professional credentials CRNA. They hold a License No. 2010020077 (MO). The NPI Number for MS. MARY ELLEN ERNST (CRNA) is 1477864213

Main info

Female
16 Years Of Experience
Accepts Medicare Assignment
Name
MS. MARY ELLEN ERNST (CRNA)
NPI
1477864213
Phone
(800) 862-9980
Address
660 S EUCLID AVE
Enumeration Date
26 June 2010
Last Update Date
17 April 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3142514687
Graduation Year
2010 (16 years ago)
PAC ID
1759413305
Group Practice PAC ID
6204720667
Professional Enrollment ID
I20100716000299
Address ID
MO631418221SA615XXRDXX500

Contacts

FHIR Endpoint
https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience44
Completeness85
Years active:15State licenses:1Other namesUpdated within 12 months

1,775 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in MO

Provider Addresses for MS. MARY ELLEN ERNST (CRNA)

  • 660 S EUCLID AVE

    CB 8054

    SAINT LOUIS, MO 631101010

    Phone: (800) 862-9980

    Fax: (314) 362-1185

    Type: Mailing

  • 2 PROGRESS POINT PKWY

    DEPT ANESTHESIOLOGY

    O FALLON, MO 633682205

    Phone: (800) 862-9980

    Fax: (314) 362-1185

    Type: Location

  • PO BOX 7412011

    CHICAGO, IL 606742011

    Phone: (800) 862-9980

    Fax: (314) 362-1185

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-07-16

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100716000299ICertified Registered Nurse Anesthetist (Crna)MOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
01480Anesthesia for other procedure on lower leg, ankle, and foot bones1514$0
View full utilization report →

Insurance plans in this area (ZIP 63110)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6204720667View full group profile
NameSpecialtyState
Anesthesiology AssistantMO
Certified Registered Nurse Anesthetist (Crna)MO
Certified Registered Nurse Anesthetist (Crna)MO
A N E S T H E S I O L O G YMO
A N E S T H E S I O L O G YMO
A N E S T H E S I O L O G YMO
Certified Registered Nurse Anesthetist (Crna)MO
Certified Registered Nurse Anesthetist (Crna)MO
Certified Registered Nurse Anesthetist (Crna)MO
Certified Registered Nurse Anesthetist (Crna)MO

Reviews

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Frequently asked questions

Where can patients find MS. MARY ELLEN ERNST (CRNA)'s NPI?
You can confirm MS. MARY ELLEN ERNST (CRNA) with NPI 1477864213; it appears in the national provider directory.
Is MS. MARY ELLEN ERNST (CRNA) currently active in the NPI registry?
CMS-published data lists MS. MARY ELLEN ERNST (CRNA) as an active registrant.
What field does MS. MARY ELLEN ERNST (CRNA) work in?
You can think of MS. MARY ELLEN ERNST (CRNA) as practicing within Certified Registered Nurse Anesthetist. Clinical services aligned with this taxonomy classification.
What location shows for MS. MARY ELLEN ERNST (CRNA)?
We surface Saint Louis, Missouri for MS. MARY ELLEN ERNST (CRNA) based on available NPPES addresses.
What if Saint Louis, Missouri seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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