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BAILEY E STEIN
NPI 1427843663
Nurse Anesthetist, Certified Registered in Chesterfield, MO

Active since April 09, 2025Accepts Medicare Assignment
400 S WOODS MILL RD STE 140, CHESTERFIELD, MO 63017(314) 485-1101 Get Directions Write a Review

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 11, 2025, Apr 9, 2025 (2 updates tracked since 2025).

About Bailey E Stein NPPES

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

BAILEY E STEIN (NPI 1427843663) is an individual nurse anesthetist, certified registered in Chesterfield, Missouri, licensed in Missouri (2025027576) and active in the NPI registry since April 2025. She is affiliated with Ssm St Joseph Hospital West and is a graduate of Other (2025).

NPPES Registry Identity

NPI1427843663
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameBAILEY E STEIN
Location Address400 S WOODS MILL RD STE 140Chesterfield, MO 63017-3427
Mailing Address400 S Woods Mill Rd Ste 140Chesterfield, MO 63017-3427 · (314) 485-1101
Phone(314) 485-1101
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateApril 9, 2025
Last NPPES UpdateJuly 11, 20252 updates tracked since enumeration
NPPES CertifiedJuly 11, 2025
✔ NPI 1427843663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in MO · 2025027576
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.
Also ListedRegistered NurseTaxonomy 163W00000X · License 2019021470 (MO)
400 S WOODS MILL RD STE 140, Chesterfield, MO 63017
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Bailey E Stein 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 ID3779090055
PECOS Enrollment IDI20250730002672

Hospital Affiliations CMS Care Compare

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

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 63017 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.

CAROLYN M HANSON
Nurse Anesthetist, Certified Registered
400 S WOODS MILL RD STE 140
CHESTERFIELD, MO 63017
St. Louis County (314) 485-1101
MEGAN C ARMSTRONG CRNA
Nurse Anesthetist, Certified Registered
400 S WOODS MILL RD STE 140
CHESTERFIELD, MO 63017
St. Louis County (314) 485-1101
HEIDI J ORTYN
Nurse Anesthetist, Certified Registered
400 S WOODS MILL RD STE 140
CHESTERFIELD, MO 63017
St. Louis County (314) 485-1101
JORDAN LANE MARKEL MD
Anesthesiology
400 S WOODS MILL RD STE 140
CHESTERFIELD, MO 63017
St. Louis County (314) 485-1101
MACKENZIE A LEE CRNA
Nurse Anesthetist, Certified Registered
400 S WOODS MILL RD STE 140
CHESTERFIELD, MO 63017
St. Louis County (314) 485-1101
MISS KRISTEN ELAINE MATTSON BSN, RN, SRNA
Nurse Anesthetist, Certified Registered
400 S WOODS MILL RD STE 140
CHESTERFIELD, MO 63017
St. Louis County (314) 485-1101
SYDNEY JALEA NASEMAN
Student in an Organized Health Care Education/Training Program
400 S WOODS MILL RD STE 140
CHESTERFIELD, MO 63017
St. Louis County (314) 485-1101
SYDNEY C SOBOCINSKI
Nurse Anesthetist, Certified Registered
400 S WOODS MILL RD STE 140
CHESTERFIELD, MO 63017
St. Louis County (314) 485-1101

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 Bailey Stein's NPI number?

The NPI number for Bailey Stein is 1427843663. It was assigned to this individual provider in the NPPES registry on April 9, 2025.

Where is Bailey Stein located?

Bailey Stein practices at 400 S Woods Mill Rd Ste 140, Chesterfield, MO 63017. The listed phone number is (314) 485-1101.

What is Bailey Stein's specialty?

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

Is Bailey Stein enrolled in Medicare?

Yes. Bailey Stein 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.

Is Bailey Stein affiliated with any hospitals?

According to CMS data, Bailey Stein is affiliated with Ssm St Joseph Hospital West.

When was this NPI record last updated?

The NPPES record for Bailey Stein was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.