Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Robert Mahlman
Physical Therapist in Cos Cob, CT · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629597471
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Registry record
Entity type Individual (Type 1)
Name Robert Mahlman
Sex Male
Practice address 35 River Rd, Cos Cob, CT, 06807
Phone (203) 422-0679
Enumeration date Sep 13, 2017
Last updated in NPPES Sep 13, 2017
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 11617 (CT) Primary
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 Robert Mahlman practice?
The practice location on file with NPPES is in Cos Cob, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Robert Mahlman?
The National Provider Identifier (NPI) for Robert Mahlman is 1629597471, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Todd Wilkowski Physical Therapist · Cos Cob, CT NPI 1770596827 Mary Woods Physical Therapist · Cos Cob, CT NPI 1447367594 Henry Rascoff Pediatrics Physician · Cos Cob, CT NPI 1467553271 Bartel R. Crisafi, MD Cardiovascular Disease Physician · Cos Cob, CT NPI 1194816348 Karen Beckman Pediatrics Physician · Cos Cob, CT NPI 1063501781 Francis Walsh Internal Medicine Physician · Cos Cob, CT NPI 1124174347 Performance Physical Therapy of Ct Physical Therapist · Cos Cob, CT NPI 1770609299 Brian Whyte Physical Therapist · Cos Cob, CT NPI 1790979565
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-09-13.