Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark L Crosser, D.C.
Chiropractor in Rochester, NH · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1144264359
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Mark L Crosser
Credential D.C.
Sex Male
Practice address 60 Rochester Hill Rd, Unit 5, Rochester, NH, 03867
Phone (603) 332-3232
Fax (603) 332-3232
Enumeration date Jun 16, 2006
Last updated in NPPES Jan 10, 2014
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 Mark Crosser?
Mark Crosser 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 → James Bress Specialist · Rochester, NH NPI 1235131178 Billie Bondar Podiatrist · Rochester, NH NPI 1659355394 Julie Evenson Physical Therapist · Rochester, NH NPI 1225005317 James H Bress MD PA Internal Medicine Physician · Rochester, NH NPI 1942485875 Billie A. Bondar, Dpm Podiatrist · Rochester, NH NPI 1356528244 Crosser Family Chiropractic, PC Chiropractor · Rochester, NH NPI 1477859908 Chiara Paradis Mental Health Counselor · Rochester, NH NPI 1225601404
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-01-10.