Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marcia Gezelter Cook, PT
Physical Therapist in San Diego, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1043427008
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Registry record
Entity type Individual (Type 1)
Name Marcia Gezelter Cook
Credential PT
Sex Female
Practice address 9619 Chesapeake Dr, Suite 300, San Diego, CA, 92123
Phone (858) 715-7300
Enumeration date May 17, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT 18358 (CA) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT 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 specialty is Marcia Cook?
Marcia Cook is registered in NPPES with the primary taxonomy of Physical Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → Home Physicians Medical Group, Inc. Internal Medicine Physician · San Diego, CA NPI 1770523169 Andrew Phoon Internal Medicine Physician · San Diego, CA NPI 1124039524 Yvonne Minton Physical Therapist · San Diego, CA NPI 1851491997 Jeffrey Lash Internal Medicine Physician · San Diego, CA NPI 1841370038 Michael Ratter, M.D., A Professional Corporation Emergency Medicine Physician · San Diego, CA NPI 1326213034 Oksana Nizheborsky Gerontology Nurse Practitioner · San Diego, CA NPI 1417336827
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.