MS. MARIBETH J MCCORMACK CRNA
NPI 1346633872
Nurse Anesthetist, Certified Registered in Saint Louis, MO

Active since March 09, 2015Accepts Medicare Assignment
12634 OLIVE BLVD, DEPT ANESTHESIOLOGY, SAINT LOUIS, MO 63141(800) 862-9980(314) 362-1185 Get Directions Write a Review

NPPES record last updated: April 25, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Jul 20, 2022 and 1 more (4 updates tracked since 2017).

About Ms. Maribeth J Mccormack Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. MARIBETH J MCCORMACK CRNA (NPI 1346633872) is an individual nurse anesthetist, certified registered in Saint Louis, Missouri, licensed in Missouri (2017023520) and active in the NPI registry since March 2015. She is affiliated with Missouri Baptist Medical Center and is a graduate of Other (2018).

NPPES Registry Identity

NPI1346633872
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMS. MARIBETH J MCCORMACKCredential: CRNA
Location Address12634 OLIVE BLVD, DEPT ANESTHESIOLOGYSaint Louis, MO 63141-6337
Mailing AddressPo Box 60352Saint Louis, MO 63160-0352 · (800) 862-9980 · Fax (314) 362-1185
Fax(314) 362-1185
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 9, 2015
Last NPPES UpdateApril 25, 20244 updates tracked since enumeration
✔ NPI 1346633872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in MO · 2017023520
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
12634 OLIVE BLVD, Saint Louis, MO 63141

Other Identifiers 1

Medicaid910048459MO

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

Ms. Maribeth J Mccormack Crna 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.

PECOS PAC ID9032420104
PECOS Enrollment IDI20171117002876

Medicare Billing Reassignments

5

Medicare enrollment records show Maribeth Mccormack reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
760 OFFICE PKWY STE 100
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 56 clinicians in this Medicare group
Anesthesiology
400 S WOODS MILL RD, STE 140
Chesterfield, MO 63017
  • Reassigned Medicare billing, Missouri enrollment
  • 221 clinicians in this Medicare group
Anesthesiology
3015 N BALLAS RD
Saint Louis, MO 63131
  • Reassigned Medicare billing, Missouri enrollment
  • 102 clinicians in this Medicare group
Anesthesiology
11133 DUNN RD
Saint Louis, MO 63136
  • Reassigned Medicare billing, Missouri enrollment
  • Medicare enrollment name: Midwest Anesthesia Providers Sc
  • 230 clinicians in this Medicare group
Rural Health
35 WINFIELD PLZ
Winfield, MO 63389
  • Reassigned Medicare billing, Missouri enrollment
  • 229 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 4

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
40 services40 patients
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope 00732
This procedure involves using an endoscope, a flexible tube with a light and camera, to examine or treat your gallbladder, pancreas, or liver. Anesthesia is administered to ensure you're comfortable and pain-free during the procedure.
29 services27 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
24 services24 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

Ssm St Joseph Hospital West

Acute Care Hospitals · Lake Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260200
Location100 Medical PlazaLake Saint Louis, MO 63367 · St. Charles County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Anesthetist, Certified Registered
12634 OLIVE BLVD, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63141
Emergency Medicine
12634 OLIVE BLVD
SAINT LOUIS, MO 63141
Nurse Anesthetist, Certified Registered
12634 OLIVE BLVD
SAINT LOUIS, MO 63141
Anesthesiology
12634 OLIVE BLVD, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63141
Registered Nurse (Registered Nurse First Assistant)
12634 OLIVE BLVD
CREVE COEUR, MO 63141
Nurse Anesthetist, Certified Registered
12634 OLIVE BLVD, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63141
Nurse Anesthetist, Certified Registered
12634 OLIVE BLVD, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63141
Nurse Practitioner (Family)
12634 OLIVE BLVD
SAINT LOUIS, MO 63141

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 Maribeth Mccormack's NPI number?

The NPI number for Maribeth Mccormack is 1346633872. It was assigned to this individual provider in the NPPES registry on March 9, 2015.

Where is Maribeth Mccormack located?

Maribeth Mccormack practices at 12634 Olive Blvd Dept Anesthesiology, Saint Louis, MO 63141. The listed phone number is (800) 862-9980.

What is Maribeth Mccormack's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Maribeth Mccormack enrolled in Medicare?

Yes. Maribeth Mccormack 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 Maribeth Mccormack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maribeth Mccormack reassigns Medicare benefits to 5 organizations: Premier Anesthesia LLC (Saint Louis, MO), Metro-West Anesthesia Group Inc (Chesterfield, MO), Missouri Baptist Medical Center (Saint Louis, MO), Midwest Anesthesia Providers S.C (Saint Louis, MO) and Mercy Hospital Lincoln (Winfield, 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 Maribeth Mccormack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Maribeth Mccormack affiliated with any hospitals?

According to CMS data, Maribeth Mccormack is affiliated with Missouri Baptist Medical Center and Ssm St Joseph Hospital West.

When was this NPI record last updated?

The NPPES record for Maribeth Mccormack was last updated on April 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.