Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Wilfert Klein, M.D.

Ophthalmology Physician in Amarillo, TX · enumerated 2006.

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

National Provider Identifier

1972663227

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Registry record

Entity type Individual (Type 1)

Name John Wilfert Klein

Credential M.D.

Sex Male

Practice address 13 Care Cir, Amarillo, TX, 79124

Phone (806) 353-2323

Fax (806) 351-2323

Enumeration date Dec 9, 2006

Last updated in NPPES Aug 6, 2013

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License J6527 (TX) 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
8G3583	Other	TX	BCBSTX
0795932-01	Medicaid	TX	-
113771304	Medicaid	TX	-

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.

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Frequently asked questions

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.

What specialty is John Klein?

John Klein is registered in NPPES with the primary taxonomy of Ophthalmology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-06.