Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Calvin Emanuel Lambert Hall, M.D.

Family Medicine Physician in Bloomington, CA · enumerated 2013.

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

National Provider Identifier

1427483254

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Registry record

Entity type Individual (Type 1)

Name Dr. Calvin Emanuel Lambert Hall

Credential M.D.

Sex Male

Practice address 18601 Valley Blvd, Bloomington, CA, 92316

Phone (909) 546-7520

Fax (909) 877-5468

Enumeration date Sep 11, 2013

Last updated in NPPES Aug 4, 2015

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A126710 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

What specialty is Calvin Lambert Hall?

Calvin Lambert Hall is registered in NPPES with the primary taxonomy of Family 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-04.