Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Matthew James Isom, M.D.
Obstetrics Physician in Katy, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346287877
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Registry record
Entity type Individual (Type 1)
Name Dr. Matthew James Isom
Credential M.D.
Sex Male
Practice address 2510 W. Grand Parkway, Katy, TX, 77449
Phone (713) 442-4222
Enumeration date Jun 1, 2006
Last updated in NPPES Jun 8, 2020
Taxonomy & licenses
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 |
|---|---|---|---|
| 212118808 | Medicaid | TX | - |
| 8CJ867 | Other | TX | BC/BS OF TEXAS |
| 212118807 | Medicaid | TX | - |
| 212118806 | 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.
Frequently asked questions
Is NPI 1346287877 active?
Yes, as of the latest NPPES snapshot, NPI 1346287877 is active (record last updated 2020-06-08).
How do I verify Matthew Isom's NPI record?
Cross-check NPI 1346287877 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-08.