Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Samuel Marquez, M.D.
Surgery Physician in St Louis, MO · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1750380846
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Registry record
Entity type Individual (Type 1)
Name Dr. Samuel Marquez
Credential M.D.
Sex Male
Practice address 621 S. New Ballas Road, Suite 560a, St Louis, MO, 63141
Phone (314) 251-6440
Fax (314) 251-4456
Enumeration date Jul 20, 2005
Last updated in NPPES Jun 11, 2018
Taxonomy & licenses
208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 2011013600 (MO) Secondary
2086S0102X Surgical Critical Care Physician Allopathic & Osteopathic Physicians · License 2011013600 (MO) Secondary
2086S0127X Trauma Surgery Physician Allopathic & Osteopathic Physicians · License 2011013600 (MO) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 52656089 | Other | MO | BNDD |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Samuel Marquez?
The National Provider Identifier (NPI) for Samuel Marquez is 1750380846, a Type 1 (individual) record in the CMS NPPES registry.
Where does Samuel Marquez practice?
The practice location on file with NPPES is in St Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Theodore Sample Pediatrics Physician · St. Louis, MO NPI 1922191584 Ronald Haake Critical Care Medicine (Internal Medicine) Physician · St. Louis, MO NPI 1386739548 Mercy Clinic Children'S Surgery, LLC Pediatric Surgery Physician · St. Louis, MO NPI 1649349804 Mercy Clinic Children'S Heart Center, LLC Pediatric Cardiology Physician · St Louis, MO NPI 1144399338 Mercy Clinic Burn and Plastic Surgery, LLC Plastic and Reconstructive Surgery Physician · St. Louis, MO NPI 1912037433 Helen Weaver Neonatal Intensive Care Registered Nurse · St Louis, MO NPI 1174799605 Nicole Shuert Women's Health Nurse Practitioner · St. Louis, MO NPI 1942532445 Cody Eckelkamp Family Nurse Practitioner · St Louis, MO NPI 1154988327
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-06-11.