Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Clayton J. Petropoulos, D.C.
Chiropractor in Topsham, ME · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730268822
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Registry record
Entity type Individual (Type 1)
Name Dr. Clayton J. Petropoulos
Credential D.C.
Sex Male
Practice address 49 Topsham Fair Mall Rd, Suite 25, Topsham, ME, 04086
Phone (207) 406-4795
Enumeration date Nov 2, 2006
Last updated in NPPES May 19, 2015
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
What is the NPI number for Clayton Petropoulos?
The National Provider Identifier (NPI) for Clayton Petropoulos is 1730268822, a Type 1 (individual) record in the CMS NPPES registry.
Where does Clayton Petropoulos practice?
The practice location on file with NPPES is in Topsham, ME. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Mms Southern Maine, Inc. Durable Medical Equipment & Medical Supplies · Topsham, ME NPI 1558306498 Aubrey Gail Chiropractor · Topsham, ME NPI 1356358667 Aubrey C. Gail Dcpc Chiropractor · Topsham, ME NPI 1659661254 Jeffrey Lawson Physical Therapist · Topsham, ME NPI 1205292562 Cheryl Fitzpatrick Occupational Therapy Assistant · Topsham, ME NPI 1912448176 Julie Minzner Pharmacist · Topsham, ME NPI 1356877146 Lindsey Perreira Massage Therapist · Topsham, ME NPI 1497362487
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-19.