Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Robert B Marzilli Jr., DC
Chiropractor in Johnston, RI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1194846071
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Robert B Marzilli Jr.
Credential DC
Sex Male
Practice address 1395 Atwood Ave, Suite 108a, Johnston, RI, 02919
Phone (401) 270-9595
Fax (401) 383-5155
Enumeration date Apr 2, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC 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
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.
What specialty is Robert Marzilli?
Robert Marzilli is registered in NPPES with the primary taxonomy of Chiropractor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Patricia Sloss Registered Dietitian · Johnston, RI NPI 1962593129 Robert Cicione Clinical Social Worker · Johnston, RI NPI 1346398757 Vicki Moss Psychologist · Johnston, RI NPI 1851422604 Delta Consultants West, Inc. Psychologist · Johnston, RI NPI 1245361005 James Mccann Assistive Technology Practitioner Audiologist · Johnston, RI NPI 1114044641 Marzilli Chiropractic Center, Ltd. Chiropractor · Johnston, RI NPI 1114048634 Kristen Peters Mental Health Counselor · Johnston, RI NPI 1598012825 Ocean State Counseling and Wellness Center Clinical Social Worker · Johnston, RI NPI 1265914477
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.