Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joseph Nathanson
Pediatrics Physician in Denver, CO · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1407437312
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Registry record
Entity type Individual (Type 1)
Name Joseph Nathanson
Sex Male
Practice address 2975 Roslyn St Unit 100, Denver, CO, 80238
Phone (303) 399-7900
Fax (303) 399-7999
Enumeration date Apr 21, 2021
Last updated in NPPES Nov 13, 2025
Taxonomy & licenses
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License DR.0075710 (CO) Primary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
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 Joseph Nathanson?
The National Provider Identifier (NPI) for Joseph Nathanson is 1407437312, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joseph Nathanson practice?
The practice location on file with NPPES is in Denver, CO. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Amy Nash Pediatrics Physician · Denver, CO NPI 1073669685 Margaret Wolfgram Nurse Practitioner · Denver, CO NPI 1417285156 Katie Ng Pediatrics Physician · Denver, CO NPI 1962829960 Kayla Walter Rodriguez Pediatrics Physician · Denver, CO NPI 1336715069 Sydney Braun Physician Assistant · Denver, CO NPI 1891549135
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-13.