Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Karl E Tomm, MD
Surgery Physician in Houston, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275568420
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Registry record
Entity type Individual (Type 1)
Name Mr. Karl E Tomm
Credential MD
Sex Male
Practice address 6560 Fannin, #1846, Houston, TX, 77030
Phone (713) 797-1303
Fax (713) 795-9805
Enumeration date Jul 12, 2006
Last updated in NPPES Jan 10, 2013
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
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
What is the NPI number for Karl Tomm?
The National Provider Identifier (NPI) for Karl Tomm is 1275568420, a Type 1 (individual) record in the CMS NPPES registry.
Where does Karl Tomm 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
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-10.