Active NPI 1710249669 Individual Practitioner Male Practitioner

Dr. Stephen Harrison Gregory , MD

Anesthesiology • Saint Louis, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Gregory, MD is a certified Anesthesiology practicing in Saint Louis, MO. With approximately 14 years of clinical experience since graduating from Saint Louis University School Of Medicine in 2012, Dr. Gregory delivers high-quality medical care to the local community at 1 BARNES JEWISH HOSPITAL PLZ.

Dr. Gregory is affiliated with Washington University and accepts Medicare assignment.

Frequently performed procedures and clinical services include insertion of artery tube for blood sampling or infusion through skin, ultrasound of heart blood flow, valves and chambers, ultrasound of heart with probe in esophagus, with report. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1 Barnes Jewish Hospital Plz
Dept Anesthesiology

Saint Louis, MO 631101003

Telephone 8008629980

Fax 3143621185

Associated Practice Facility / Clinic

🏢 Midwest Lithotripsy, Llc Facility NPI 1831198639

Medicare Profile & Education

Medical School

Saint Louis University School Of Medicine

Graduation Year

2012

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Saint Louis, MO

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

14 Yrs -6.4 yrs vs City Avg

City Avg: 20.4 Yrs

State Avg: 22.5 Yrs

Regional Practice Density

500 Specialists

Practicing in Saint Louis, MO (1191 Statewide)

Telehealth Adoption Rate

0.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

90.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gregory (14 Years) 14 Yrs

Saint Louis Specialty Average (20.4 Years) 20.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	27	27	$335.00	$42.13
93320 Ultrasound of heart blood flow, valves and chambers	17	17	$354.00	$16.84
93312 Ultrasound of heart with probe in esophagus, with report	17	17	$960.00	$100.78
01922 Anesthesia for x-ray or radiation therapy	13	13	$1204.31	$111.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	24	24	$335.00	$42.19
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	17	14	$840.00	$73.35
93320 Ultrasound of heart blood flow, valves and chambers	16	16	$84.00	$16.38
93312 Ultrasound of heart with probe in esophagus, with report	16	16	$960.00	$98.32
93319 3d ultrasound imaging of heart for evaluation of heart structure performed during ultrasound imaging of congenital heart defects	11	11	$120.00	$21.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	20	20	$279.00	$44.32
01922 Anesthesia for x-ray or radiation therapy	18	17	$1028.00	$121.55
00560 Anesthesia for procedure on heart and large blood vessels	17	17	$2238.59	$402.03
93312 Ultrasound of heart with probe in esophagus, with report	14	13	$800.00	$108.04
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	13	12	$700.00	$84.58
93503 Insertion of tube in pulmonary artery for monitoring	12	12	$800.00	$81.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	41	40	$279.00	$44.94
93312 Ultrasound of heart with probe in esophagus, with report	33	33	$800.00	$109.12
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	32	28	$700.00	$85.26
93503 Insertion of tube in pulmonary artery for monitoring	18	18	$800.00	$88.72
00562 Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older)	14	14	$4041.14	$981.69
01922 Anesthesia for x-ray or radiation therapy	13	13	$989.54	$130.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	19	19	$279.00	$46.21
93312 Ultrasound of heart with probe in esophagus, with report	18	18	$800.00	$112.24
01922 Anesthesia for x-ray or radiation therapy	18	18	$956.89	$124.77
00537 Anesthesia for procedure to assess heart electrical activity	12	12	$2471.33	$299.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	34	33	$279.00	$45.27
93312 Ultrasound of heart with probe in esophagus, with report	16	16	$800.00	$109.52
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	14	11	$700.00	$86.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	37	37	$279.00	$44.86
93312 Ultrasound of heart with probe in esophagus, with report	29	29	$800.00	$109.41
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	19	19	$700.00	$99.01
00520 Anesthesia for closed procedure in chest	15	13	$929.60	$190.16
00560 Anesthesia for procedure on heart and large blood vessels	13	13	$2425.85	$477.01
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	12	12	$744.00	$128.51
01922 Anesthesia for x-ray or radiation therapy	11	11	$993.45	$119.22
00562 Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older)	11	11	$4070.55	$1017.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	42	41	$279.00	$51.72
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	24	24	$788.00	$142.47
93312 Ultrasound of heart with probe in esophagus, with report	20	20	$800.00	$105.61
01922 Anesthesia for x-ray or radiation therapy	19	19	$925.05	$110.16
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	17	17	$700.00	$122.24
93503 Insertion of tube in pulmonary artery for monitoring	12	12	$800.00	$129.85

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License MO 2017006910

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

200043486 (MO)

Hospital & Practice Group Affiliations

Washington University

1 Barnes Jew Hosp Plz, Saint Louis, MO 631101003

Phone: 3147473000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Michelle Bloom , ACNP

Nurse Practitioner - Acute Care

NPI 1003230764

Mary Kinworthy , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003272642

Certified Registered Nurse Anesthetist

Kelsey Fogus , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003357849

Certified Registered Nurse Anesthetist

Claira Sousa , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003496225

Certified Registered Nurse Anesthetist

Aaron Weinzettel , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003834797

Certified Registered Nurse Anesthetist

Dr. Thomas Graetz , MD

Anesthesiology - Critical Care Medicine

NPI 1003942764

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

21 Historical Events

📍

Updated Business Mailing Address April 17, 2025

Registered at PO BOX 7412011, CHICAGO, IL 606742011 (Tel: 8008629980)

📍

Updated Business Mailing Address April 25, 2024

Registered at PO BOX 60352, SAINT LOUIS, MO 631600352 (Tel: 8008629980)

📍

Updated Practice Location November 15, 2021

Registered at 1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY, SAINT LOUIS, MO 631101003 (Tel: 8008629980)

📍

Updated Business Mailing Address November 15, 2021

Registered at 660 S EUCLID AVE, CB 8054, SAINT LOUIS, MO 631101010 (Tel: 8008629980)

✅

NPI Profile Active January 24, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location January 24, 2018

Registered at 1 BARNES JEWISH HOSPITAL PLZ, SAINT LOUIS, MO 631101003 (Tel: 3143626973)

📍

Updated Business Mailing Address January 24, 2018

Registered at 660 S EUCLID AVE, C B 8054, SAINT LOUIS, MO 631101010 (Tel: 3143626973)

👤

Provider Name / Credentials Updated January 24, 2018

Recorded as STEPHEN GREGORY, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 24, 2018

Anesthesiology (License #2017006910 in MO)

📍

Updated Practice Location October 16, 2017

Registered at 1 BARNES JEWISH HOSPITAL PLZ, SAINT LOUIS, MO 631101003 (Tel: 3143626973)

📍

Updated Business Mailing Address October 16, 2017

Registered at 660 S EUCLID AVE, C B 8054, SAINT LOUIS, MO 631101010 (Tel: 3143626973)

👤

Provider Name / Credentials Updated October 16, 2017

Recorded as STEPHEN GREGORY, MD

📍

Updated Practice Location September 01, 2017

Registered at 660 S EUCLID AVE, SAINT LOUIS, MO 631101010 (Tel: 3143621196)

📍

Updated Business Mailing Address September 01, 2017

Registered at 660 SOUTH EUCLID AVE., DEPARTMENT OF ANESTHESIOLOGY, ST. LOUIS, MO 63110

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 01, 2017

Anesthesiology (License #2017006910 in MO)

✅

NPI Profile Active June 18, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location June 18, 2013

Registered at 2301 ERWIN RD, DEPARTMENT OF ANESTHESIOLOGY, DURHAM, NC 277054699 (Tel: 9196813811)

📍

Updated Business Mailing Address June 18, 2013

Registered at 2301 ERWIN RD, DEPARTMENT OF ANESTHESIOLOGY, DURHAM, NC 277054699 (Tel: 9196813811)

👤

Provider Name / Credentials Updated June 18, 2013

Recorded as STEPHEN GREGORY, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 18, 2013

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration June 15, 2012

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1710249669

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 15, 2012

Last Update: April 17, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 7412011

Chicago, IL 606742011

Phone: 8008629980

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.