Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John A Calcaterra Jr., RPH

Surgical Physician Assistant in Saint Louis, MO · enumerated 2006.

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

National Provider Identifier

1407819279

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Registry record

Entity type Individual (Type 1)

Name John A Calcaterra Jr.

Credential RPH

Sex Male

Practice address 915 N Grand Blvd, Saint Louis, MO, 63106

Phone (314) 652-4100

Enumeration date Apr 11, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 2004006516 (MO) Secondary

183500000X Pharmacist Pharmacy Service Providers · License 51031538 (IL) Secondary

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 113956 (MO) Primary

RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH credential

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

Where does John Calcaterra practice?

The practice location on file with NPPES is in Saint Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for John Calcaterra?

The National Provider Identifier (NPI) for John Calcaterra is 1407819279, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.