Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

John Ross Ritter, DPM

Podiatrist in Katy, TX · enumerated 2006.

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

National Provider Identifier

1295783488

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Registry record

Entity type Individual (Type 1)

Name John Ross Ritter

Credential DPM

Sex Male

Practice address Katy, TX, 77494

Phone (866) 950-3627

Fax (800) 652-8206

Enumeration date May 4, 2006

Last updated in NPPES Apr 18, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

213E00000X Podiatrist Podiatric Medicine & Surgery Service Providers · License 1682 (TX) Primary

DPM · Doctor of Podiatric Medicine: A physician specializing in medical and surgical care of the foot and ankle. About the DPM credential

Other identifiers

Identifier	Type	State	Issuer
165628212	Medicaid	TX	-
165628213	Medicaid	TX	-
165628210	Medicaid	TX	-
165628211	Medicaid	TX	-
165628204	Medicaid	TX	-
165628205	Medicaid	TX	-
165628206	Medicaid	TX	-
P00451653	Other	TX	RAIL RD MEDICARE
165628214	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

What specialty is John Ritter?

John Ritter is registered in NPPES with the primary taxonomy of Podiatrist. 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 2008-04-18.