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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

HESPERIN CLINIC
NPI 1396659413
Internal Medicine in Saint Louis, MO

Active since September 29, 2026
536 N TAYLOR AVE, SAINT LOUIS, MO 63108(314) 449-1143(314) 449-1724 Get Directions Write a Review

NPPES record added: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Hesperin Clinic NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HESPERIN CLINIC (NPI 1396659413) is a healthcare organization registered as an internal medicine in Saint Louis, Missouri and active in the NPI registry since September 2026. The organization lists Onyema Nnanna, Owner, as its authorized official.

NPPES Registry Identity

NPI1396659413
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHESPERIN CLINIC
Location Address536 N TAYLOR AVESaint Louis, MO 63108-1888
Mailing Address536 N Taylor AveSaint Louis, MO 63108-1888 · (314) 449-1143 · Fax (314) 449-1724
Phone(314) 449-1143
Fax(314) 449-1724
Organization SubpartNo
Authorized OfficialOnyema NnannaOwner · (617) 982-8328
Enumeration DateSeptember 29, 2026
NPPES CertifiedSeptember 28, 2026
✔ NPI 1396659413 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X
Also ListedHospitalistTaxonomy 208M00000X
536 N TAYLOR AVE, Saint Louis, MO 63108
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Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CONCIERGE CARE LLC
Internal Medicine
536 N TAYLOR AVE
SAINT LOUIS, MO 63108
St. Louis City (314) 449-1143
PRIMEBRIDGE PSYCHIATRIC CARE LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
536 N TAYLOR AVE
SAINT LOUIS, MO 63108
St. Louis City (314) 266-8139
CHILEME U OCHULOR
Nurse Practitioner (Psychiatric/Mental Health)
536 N TAYLOR AVE
SAINT LOUIS, MO 63108
St. Louis City (314) 266-8139
ZEPHYR NEST LLC
Community Based Residential Treatment Facility, Intellectual and/or Developmental Disabilities
536 N TAYLOR AVE
SAINT LOUIS, MO 63108
St. Louis City (617) 982-8328
MAJANE HOME LLC
Community Based Residential Treatment Facility, Intellectual and/or Developmental Disabilities
536 N TAYLOR AVE
SAINT LOUIS, MO 63108
St. Louis City (636) 373-5759
WALKER AND WATSON QUALITY HOME HEALTHCARE LLC
Home Health
536 N TAYLOR AVE
SAINT LOUIS, MO 63108
St. Louis City (314) 498-1774

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hesperin Clinic's NPI number?

The NPI number for Hesperin Clinic is 1396659413. It was assigned to this organization in the NPPES registry on September 29, 2026.

Where is Hesperin Clinic located?

Hesperin Clinic is located at 536 N Taylor Ave, Saint Louis, MO 63108. The listed phone number is (314) 449-1143.

What is Hesperin Clinic's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Hesperin Clinic was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.