Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alan Glowczwski, M.D.

Diagnostic Radiology Physician in Longview, TX · enumerated 2006.

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

National Provider Identifier

1306803366

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Registry record

Entity type Individual (Type 1)

Name Alan Glowczwski

Credential M.D.

Sex Male

Practice address 700 E Marshall Ave, Longview, TX, 75601

Phone (903) 315-2072

Enumeration date Apr 26, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License H8079 (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
88R998	Other	TX	BLUE CROSS BLUE SHIELD TX
012079	Other	TX	TX KINDNEY HEALTH
MDH8079	Other	TX	WORKERS COMP
752961826A002	Other	TX	CHAMPUS
P00057531	Other	TX	TRAVELER MEDICARE
117672	Other	TX	CHIP PROGRAM

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 is the NPI number for Alan Glowczwski?

The National Provider Identifier (NPI) for Alan Glowczwski is 1306803366, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alan Glowczwski practice?

The practice location on file with NPPES is in Longview, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Peter Jerome Pulmonary Disease Physician · Longview, TX NPI 1396740668 Sushama Brimmer Internal Medicine Physician · Longview, TX NPI 1184629990 Select Specialty Hospital - Longview Inc Long Term Care Hospital · Longview, TX NPI 1861492670 Weng Yu Thong Anesthesiology Physician · Longview, TX NPI 1255329322 Brian Mendenhall Emergency Medicine Physician · Longview, TX NPI 1306835442 Stanley Upchurch Emergency Medicine Physician · Longview, TX NPI 1083603021 James Nichols Emergency Medicine Physician · Longview, TX NPI 1447249503 Angela Ozment Internal Medicine Physician · Longview, TX NPI 1598754657

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.