Active NPI 1750380846 Individual Practitioner Male Practitioner

Dr. Samuel Marquez , MD

Surgery • St Louis, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Samuel Marquez, MD is a certified Surgery practicing in St Louis, MO. With approximately 24 years of clinical experience since graduating from University Of Texas Medical Branch At Galveston in 2002, Dr. Marquez delivers high-quality medical care to the local community at 621 S. NEW BALLAS ROAD.

Dr. Marquez is affiliated with Presbyterian Healthcare Services and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, initial hospital care with straightforward or low-level medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

621 S. New Ballas Road
Suite 560a

St Louis, MO 63141

Telephone 3142516440

Fax 3142514456

Associated Practice Facility / Clinic

🏢 Mercy Clinic Trauma And General Surgery, Llc Facility NPI 1699825695

Medicare Profile & Education

Medical School

University Of Texas Medical Branch At Galveston

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in St Louis, MO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

24 Yrs +3.5 yrs vs City Avg

City Avg: 20.5 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

17 Specialists

Practicing in St Louis, MO (766 Statewide)

Telehealth Adoption Rate

5.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

34.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marquez (24 Years) 24 Yrs

St Louis Specialty Average (20.5 Years) 20.5 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
99213 Established patient office or other outpatient visit, typically 15 minutes	26	20	$73.00	$63.23
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$106.00	$78.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$171.56	$128.61
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$298.00	$125.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	13	$97.00	$93.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$101.21	$81.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	13	$40.33	$35.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$184.06	$131.43
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$73.00	$47.32
99213 Established patient office or other outpatient visit, typically 15 minutes	13	13	$69.77	$64.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$107.17	$95.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$96.50	$83.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$161.67	$134.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	21	$99.95	$94.65
99213 Established patient office or other outpatient visit, typically 15 minutes	14	12	$63.14	$62.89
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	13	$522.00	$120.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$166.64	$133.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	20	$103.36	$95.24
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	16	15	$492.50	$121.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$167.97	$131.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	19	$94.00	$79.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$99.80	$76.79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$220.00	$132.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$92.00	$91.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$162.62	$149.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	14	$94.00	$93.74
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$65.24	$59.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	44	33	$164.00	$71.32
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	34	17	$235.32	$103.14
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	32	32	$457.25	$200.43
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$312.00	$135.36
99213 Established patient office or other outpatient visit, typically 15 minutes	15	14	$157.20	$69.15

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License NM MD2018-0066

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

NUCC Taxonomy Code: 208600000X

State License MO 2011013600

Surgery

NUCC Taxonomy Code: 208600000X

State License MN 46583

Surgery - Surgical Critical Care

NUCC Taxonomy Code: 2086S0102X

State License MO 2011013600

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 2011013600

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

Commercial Insurance / Payer ID Bndd

52656089 (MO)

Hospital & Practice Group Affiliations

Presbyterian Healthcare Services

201 Cedar St Se, Albuquerque, NM 871064932

Phone: 5055631000

Practice Associates & Co-Workers

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

35 Associated Practitioners

Paige Ponticello , MSN, FNP-C

Nurse Practitioner - Family

NPI 1033840228

Master of Science in Nursing, Family Nurse Practitioner (Certified)

Dr. Mark Mcmellen , MD

Surgery

NPI 1053597955

Doctor of Medicine (M.D.)

Lori Sievers , RN, MSN, FNP-BC

Nurse Practitioner - Family

NPI 1073812137

Registered Nurse, Master of Science in Nursing, Family Nurse Practitioner (Board Certified)

Dr. Alison Gildehaus , MD

Surgery

NPI 1104023886

Doctor of Medicine (M.D.)

An Nguyen , PA-C

Physician Assistant

NPI 1134899818

Physician Assistant (Certified)

Cecelia Pratt , FNP-C

Nurse Practitioner - Family

NPI 1144714023

Family Nurse Practitioner (Certified)

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location June 11, 2018

Registered at 621 S. NEW BALLAS ROAD, SUITE 560A, ST LOUIS, MO 63141 (Tel: 3142516440)

📍

Updated Business Mailing Address June 11, 2018

Registered at PO BOX 26666, PHS PROVIDER ENROLLMENT, ALBUQUERQUE, NM 871256666 (Tel: 5059236770)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 11, 2018

Surgery (License #2011013600 in MO)

✅

NPI Profile Active August 25, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location August 25, 2011

Registered at 621 S. NEW BALLAS ROAD, SUITE 560A, ST LOUIS, MO 631418261 (Tel: 3142516440)

📍

Updated Business Mailing Address August 25, 2011

Registered at 621 S. NEW BALLAS ROAD, SUITE 560A, ST LOUIS, MO 631418261 (Tel: 3142516440)

👤

Provider Name / Credentials Updated August 25, 2011

Recorded as SAMUEL MARQUEZ, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 25, 2011

Surgery (License #46583 in MN)

🟢

Initial NPI Registration & Enumeration July 20, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1750380846

Entity Type:

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

Enumeration Date: July 20, 2005

Last Update: June 11, 2018

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 26666, Phs Provider Enrollment

Albuquerque, NM 871256666

Phone: 5059236770

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.