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MR. GREGORY SCOTT FEILNER CRNA
NPI 1740847011
Nurse Anesthetist, Certified Registered in Saint Louis, MO

Active since May 22, 2019Accepts Medicare Assignment
79.29/100
CMS Quality Rating
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY, SAINT LOUIS, MO 63110(800) 862-9980(314) 362-1185 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Nov 15, 2021 and 3 more (6 updates tracked since 2019).

About Mr. Gregory Scott Feilner Crna NPPES

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

MR. GREGORY SCOTT FEILNER CRNA (NPI 1740847011) is an individual nurse anesthetist, certified registered in Saint Louis, Missouri, licensed in Missouri (2019021617) and active in the NPI registry since May 2019. He is affiliated with Barnes-jewish West County Hospital and is a graduate of Other (2014).

NPPES Registry Identity

NPI1740847011
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMR. GREGORY SCOTT FEILNERCredential: CRNA
Location Address1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGYSaint Louis, MO 63110-1003
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (800) 862-9980 · Fax (314) 362-1185
Phone(800) 862-9980
Fax(314) 362-1185
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMay 22, 2019
Last NPPES UpdateApril 17, 20256 updates tracked since enumeration
✔ NPI 1740847011 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 · 2019021617
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.
1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110
Open in Google Maps ↗

Other Identifiers 1

Medicaid910073814MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Mr. Gregory Scott Feilner 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 ID6709113418
PECOS Enrollment IDI20190802002031

Medicare Billing Reassignments

3

Medicare enrollment records show Gregory Feilner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Washington University
0.7 mi
Multi-Specialty
660 S EUCLID AVE
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 264 clinicians in this Medicare group
NPI 1528005642 (314) 286-1045
Gateway Anesthesia Group LLC
8.0 mi
Anesthesiology
10296 BIG BEND RD
Saint Louis, MO 63122
  • Reassigned Medicare billing, Missouri enrollment
  • 27 clinicians in this Medicare group
NPI 1457040479 (314) 735-0200
Premier Anesthesia LLC
9.4 mi
Anesthesiology
760 OFFICE PKWY STE 100
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 56 clinicians in this Medicare group
NPI 1225073828 (314) 200-1462

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

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 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.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

Barnes-Jewish West County Hospital

Acute Care Hospitals · Creve Coeur, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260162
Location12634 Olive BoulevardCreve Coeur, MO 63141 · St. Louis County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

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.

DR. MARGARET LEIGHTON MCNAIRY MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
MS. CHERYL ANNE WOOLSEY PA
Physician Assistant
1 BARNES JEWISH HOSPITAL PLZ, DIV IM MEDICAL ONCOLOGY
SAINT LOUIS, MO 63110
St. Louis City (314) 747-1171
ANNA RABINOV ANNA RABINOV
Obstetrics & Gynecology
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
St. Louis City (314) 747-3000
MRS. MICHELLE MARIE BLOOM ACNP
Nurse Practitioner (Acute Care)
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110
St. Louis City (800) 862-9980
DR. FARIS ADAM BAKEER MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
DR. REHAN RAIS MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
DR. RANDY OLIVIER LAINE MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
DR. BRADLEY SETH KUSHNER MD
Surgery
1 BARNES JEWISH HOSPITAL PLZ, DIV SURG VASCULAR
SAINT LOUIS, MO 63110
St. Louis City (314) 273-7373

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 Gregory Feilner's NPI number?

The NPI number for Gregory Feilner is 1740847011. It was assigned to this individual provider in the NPPES registry on May 22, 2019.

Where is Gregory Feilner located?

Gregory Feilner practices at 1 Barnes Jewish Hospital Plz Dept Anesthesiology, Saint Louis, MO 63110. The listed phone number is (800) 862-9980.

What is Gregory Feilner's specialty?

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

Is Gregory Feilner enrolled in Medicare?

Yes. Gregory Feilner 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 Gregory Feilner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Feilner reassigns Medicare benefits to 3 organizations: Washington University (Saint Louis, MO), Gateway Anesthesia Group LLC (Saint Louis, MO) and Premier Anesthesia LLC (Saint Louis, 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 Gregory Feilner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Feilner accept?

Health plans from Anthem Blue Cross and Blue Shield list Gregory Feilner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Feilner affiliated with any hospitals?

According to CMS data, Gregory Feilner is affiliated with Barnes-Jewish West County Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Feilner was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.