Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Marshall Jay Seligmann, M.D.
Pediatrics Physician in Tarzana, CA · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518198183
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Registry record
Entity type Individual (Type 1)
Name Dr. Marshall Jay Seligmann
Credential M.D.
Sex Male
Practice address 18555 Ventura Blvd, Suite B, Tarzana, CA, 91356
Phone (818) 614-3088
Fax (818) 614-3087
Enumeration date Jul 30, 2009
Last updated in NPPES Nov 22, 2021
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
Where does Marshall Seligmann practice?
The practice location on file with NPPES is in Tarzana, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marshall Seligmann?
The National Provider Identifier (NPI) for Marshall Seligmann is 1518198183, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-22.