Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Ronald Bleier, PHD
Psychologist in Dorchester, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1912987801
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Mark Ronald Bleier
Credential PHD
Sex Male
Practice address 398 Neponset Ave, Dorchester, MA, 02122
Phone (617) 282-3200
Fax (617) 282-7928
Enumeration date Jan 18, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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
Where does Mark Bleier practice?
The practice location on file with NPPES is in Dorchester, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Bleier?
The National Provider Identifier (NPI) for Mark Bleier is 1912987801, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Harbor Health Services, Inc. Community Health Clinic/Center · Dorchester, MA NPI 1881692366 Sonia Lipson Nurse Practitioner · Dorchester, MA NPI 1396730800 Robert Hoch Pediatrics Physician · Dorchester, MA NPI 1518942499 Bettye Kearse Pediatrics Physician · Dorchester, MA NPI 1396720280 Paul Gustafson Pediatrics Physician · Dorchester, MA NPI 1811972797 Ann Nutt Pediatrics Physician · Dorchester, MA NPI 1346225281 Lauren Schroder Nurse Practitioner · Dorchester, MA NPI 1619952355 Dianne Morris Pediatrics Physician · Dorchester, MA NPI 1114902046
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.