Quick answers
- Where does Mark B. Gordon see patients?
- Medicare's clinician data lists 1 practice location in Baltimore, MD. Call before your visit to confirm the address.
- What is Mark B. Gordon's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Mark B. Gordon accept Medicare assignment?
- Yes. Medicare's clinician data says Mark B. Gordon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mark B. Gordon?
- (410) 727-0285, as listed in official Medicare / NPI Registry data.
- What is Mark B. Gordon's NPI number?
- 1821028382. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark B. Gordon is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Park AveBaltimore, MD 21201 (410) 727‑0285
Group practices
Medicare enrollment lists Mark B. Gordon as a member of this group (CMS data updated 2026-10-02).
- Barenburg Optical Service, Inc12 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Pennsylvania College Of Optometry |
| Graduation year | 1971 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821028382 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians