Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Kathryn Mary Simon, M.D.

Family Medicine Physician in Longview, TX · enumerated 2006.

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

National Provider Identifier

1316962038

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Registry record

Entity type Individual (Type 1)

Name Dr. Kathryn Mary Simon

Credential M.D.

Sex Female

Practice address 1207a E Marshall Ave, Longview, TX, 75601

Phone (903) 907-7003

Enumeration date Jul 13, 2006

Last updated in NPPES Jul 18, 2024

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License G7884 (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
85Y881	Other	TX	BCBS
IO430Y	Other	FL	MEDICARE
016935400	Medicaid	FL	-
P00052224	Other	TX	RR MEDICARE
122866001	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Kathryn Simon?

Kathryn Simon 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.

Other providers at this practice address

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Laura Welch Internal Medicine Physician · Longview, TX NPI 1902872716 Lucillous Alexander Medical Physician Assistant · Longview, TX NPI 1215228119 Andrei Scherer Internal Medicine Physician · Longview, TX NPI 1841640414 Renee Ernst Primary Care Nurse Practitioner · Longview, TX NPI 1306517834 Kelley Thurston Family Nurse Practitioner · Longview, TX NPI 1477280014 Eboni Adams Family Nurse Practitioner · Longview, TX NPI 1891492310

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-18.