Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alan Lumsden, MD

Q: What is the NPI number for Alan Lumsden?

The National Provider Identifier (NPI) for Alan Lumsden is 1649350042, a Type 1 (individual) record in the CMS NPPES registry.

Vascular Surgery Physician in Houston, TX · enumerated 2006.

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

National Provider Identifier

1649350042

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Alan Lumsden

Credential MD

Sex Male

Practice address 6550 Fannin St, Suite 1401, Houston, TX, 77030

Phone (713) 441-5200

Fax (713) 793-7428

Enumeration date Oct 17, 2006

Last updated in NPPES Jan 15, 2018

Taxonomy & licenses

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License L5814 (TX) Secondary

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License L5814 (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
1649350042	Other	TX	RAILROAD MEDICARE
8AC471	Other	TX	BLUE CROSS BLUE SHIELD
P01047127	Other	TX	RR MEDICARE
148049305	Medicaid	TX	-
P00614022	Other	-	RAILROAD MEDICARE
148049306	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 is the NPI number for Alan Lumsden?

The National Provider Identifier (NPI) for Alan Lumsden is 1649350042, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alan Lumsden practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-01-15.