Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Charles Robertson, DO
Optometrist in Medford, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841355054
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Registry record
Entity type Individual (Type 1)
Name Charles Robertson
Credential DO
Sex Male
Practice address 26 City Hall Mall, Medford, MA, 02155
Phone (781) 306-5184
Fax (781) 306-5080
Enumeration date Dec 27, 2006
Last updated in NPPES Jun 8, 2011
Taxonomy & licenses
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0312932 | Medicaid | MA | - |
| 8278875-002 | Other | MA | CIGNA |
| W16027 | Other | MA | BCBS |
| 0014539 | Other | MA | NHP |
| 003368 | Other | MA | TUFTS |
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 Charles Robertson?
The National Provider Identifier (NPI) for Charles Robertson is 1841355054, a Type 1 (individual) record in the CMS NPPES registry.
Where does Charles Robertson practice?
The practice location on file with NPPES is in Medford, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → John Sherman Podiatrist · Medford, MA NPI 1467458737 Linda Bergin Fallon Ambulatory Women's Health Care Registered Nurse · Medford, MA NPI 1942201827 Mary Jane Mccarron Ophthalmology Physician · Medford, MA NPI 1770577678 Teresa Zabik Pediatrics Physician · Medford, MA NPI 1568445732 Beverly Loudin Obstetrics & Gynecology Physician · Medford, MA NPI 1083699268 Thomas Furth Pediatrics Physician · Medford, MA NPI 1063490977 James Pert Pediatrics Physician · Medford, MA NPI 1710967708 Janet Schwaner Pediatrics Physician · Medford, MA NPI 1770563439
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-08.