Active NPI 1992723472 Individual Practitioner Male Practitioner

Dr. John Edward Mazuski , MD

Surgery • Saint Louis, MO

Professional Overview & Biography Verified Profile Summary

Dr. John Mazuski, MD is a registered healthcare professional specializing in Surgery in Saint Louis, MO. Practice services are available at 1 BARNES JEWISH HOSPITAL PLZ under active NPI credentials.

Frequently performed procedures and clinical services include critical care, first, subsequent hospital care with moderate levelof medical decision making, if using time, at least, established patient outpatient office visit. 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
Div Surg Accs

Saint Louis, MO 631101003

Telephone 3143625298

Fax 3143625743

Associated Practice Facility / Clinic

🏢 Midwest Lithotripsy, Llc Facility NPI 1831198639

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Saint Louis, MO

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 18.3 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

246 Specialists

Practicing in Saint Louis, MO (766 Statewide)

Telehealth Adoption Rate

9.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

73.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2022)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	85	26	$975.00	$217.59
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	36	20	$245.00	$101.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	105	37	$975.00	$219.36
99213 Established patient office or other outpatient visit, typically 15 minutes	48	43	$150.00	$67.87
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	40	28	$245.00	$102.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	15	$235.00	$100.29
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	13	$105.00	$36.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	95	33	$975.00	$224.35
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	48	29	$245.00	$104.38
99213 Established patient office or other outpatient visit, typically 15 minutes	44	37	$145.00	$53.38
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	14	$230.00	$86.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	133	61	$943.05	$224.40
99213 Established patient office or other outpatient visit, typically 15 minutes	89	68	$145.00	$51.31
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	86	55	$245.00	$104.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	25	$230.00	$79.07
99292 Critical care, each additional 30 minutes	25	19	$448.00	$112.56
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$105.00	$25.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$375.00	$129.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	98	40	$925.00	$215.17
99213 Established patient office or other outpatient visit, typically 15 minutes	82	64	$128.48	$49.41
99183 Management and supervision of oxygen chamber therapy per session	80	12	$660.00	$107.01
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	43	36	$91.40	$24.56
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	39	28	$245.00	$100.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	11	$200.00	$75.58
99292 Critical care, each additional 30 minutes	14	11	$435.00	$107.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$333.18	$125.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	159	77	$925.00	$220.30
99183 Management and supervision of oxygen chamber therapy per session	109	14	$659.27	$110.08
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	100	66	$245.00	$103.14
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	56	50	$84.11	$25.20
99213 Established patient office or other outpatient visit, typically 15 minutes	44	39	$117.91	$50.45
99292 Critical care, each additional 30 minutes	32	18	$435.00	$111.13
36620 Insertion of artery tube for blood sampling or infusion through skin	12	11	$279.00	$51.72

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MO R6P11

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery - Surgical Critical Care

NUCC Taxonomy Code: 2086S0102X

State License MO R6P11

A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Surgery - Trauma Surgery

NUCC Taxonomy Code: 2086S0127X

State License MO R6P11

Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

203046610 (MO)

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Stephen Eaton , MD

Surgery

NPI 1013121243

Doctor of Medicine (M.D.)

Dr. Loughlin Wylie , MD

Surgery

NPI 1013477199

Doctor of Medicine (M.D.)

Dr. Mark Hoofnagle , MD

Surgery - Surgical Critical Care

NPI 1033344759

Doctor of Medicine (M.D.)

Linda Hornbeck , ANP

Nurse Practitioner

NPI 1043477581

Adult Nurse Practitioner

Leslie Beer , ACNP

Nurse Practitioner - Acute Care

NPI 1053784082

Dr. Rembrandt Vandruff , MD

Surgery - Trauma Surgery

NPI 1053815340

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

10 Historical Events

📍

Updated Practice Location November 15, 2021

Registered at 1 BARNES JEWISH HOSPITAL PLZ, DIV SURG ACCS, SAINT LOUIS, MO 631101003 (Tel: 3143625298)

📍

Updated Business Mailing Address November 15, 2021

Registered at 660 S EUCLID AVE, MSC 8109-43-1160, SAINT LOUIS, MO 631101010 (Tel: 3147472829)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 23, 2020

Surgery (License #R6P11 in MO)

📍

Updated Business Mailing Address June 13, 2019

Registered at 660 S EUCLID AVE, CB 8054, SAINT LOUIS, MO 631101010 (Tel: 3143625298)

✅

NPI Profile Active November 14, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location November 14, 2016

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

📍

Updated Business Mailing Address November 14, 2016

Registered at 660 S EUCLID AVE, C B 8054, SAINT LOUIS, MO 631101010 (Tel: 3143625298)

👤

Provider Name / Credentials Updated November 14, 2016

Recorded as JOHN MAZUSKI, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 14, 2016

Anesthesiology (License #R6P11 in MO)

🟢

Initial NPI Registration & Enumeration July 17, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1992723472

Entity Type:

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

Enumeration Date: July 17, 2006

Last Update: November 15, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

660 S Euclid Ave, Msc 8109-43-1160

Saint Louis, MO 631101010

Phone: 3147472829

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.