Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Maryjo Hernandez-Zipfel, MD

Pediatric Adolescent Medicine Physician in Saint Louis, MO · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1023036746

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Registry record

Entity type Individual (Type 1)

Name Dr. Maryjo Hernandez-Zipfel

Credential MD

Sex Female

Practice address 4055 Lindell Blvd, Saint Louis, MO, 63108

Phone (314) 535-7701

Enumeration date Jul 18, 2006

Last updated in NPPES May 15, 2019

Taxonomy & licenses

2080N0001X Neonatal-Perinatal Medicine Physician Allopathic & Osteopathic Physicians · License 2004009985 (MO) Secondary

2080P0204X Pediatric Emergency Medicine (Pediatrics) Physician Allopathic & Osteopathic Physicians · License 2004009985 (MO) Secondary

2080A0000X Pediatric Adolescent Medicine Physician Allopathic & Osteopathic Physicians · License 2004009985 (MO) Primary

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
190299	Other	-	MO-BLUE SHIELD
206177305	Medicaid	MO	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Maryjo Hernandez-Zipfel?

Maryjo Hernandez-Zipfel is registered in NPPES with the primary taxonomy of Pediatric Adolescent Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Tattamangalam Chandrika Pediatrics Physician · Saint Louis, MO NPI 1578554820 Blaine Sayre Pediatrics Physician · Saint Louis, MO NPI 1720152762 Ariane May Pediatric Adolescent Medicine Physician · Saint Louis, MO NPI 1760556708 Anita Blackwell Pediatric Nurse Practitioner · Saint Louis, MO NPI 1790808681 Maureen Dempsey Pediatrics Physician · Saint Louis, MO NPI 1871735449 Jessica Yoon Dentist · St Louis, MO NPI 1548581937 Stephanie Reff Dentist · Saint Louis, MO NPI 1215241922 Andrew Reff Dentist · Saint Louis, MO NPI 1902104862

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-05-15.