Quick answers
- Where does Barbara B. Markowitz see patients?
- Medicare's clinician data lists 2 practice locations, including Merrick, NY. Call before your visit to confirm the address.
- What is Barbara B. Markowitz's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Barbara B. Markowitz accept Medicare assignment?
- Yes. Medicare's clinician data says Barbara B. Markowitz 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.
- Does Barbara B. Markowitz offer telehealth?
- Medicare's clinician data says Barbara B. Markowitz offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Barbara B. Markowitz?
- (516) 377-4054, as listed in official Medicare / NPI Registry data.
- What is Barbara B. Markowitz's NPI number?
- 1255452504. 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 Barbara B. Markowitz is enrolled with Medicare (CMS data updated 2026-10-02).
- 124 Merrick AveMerrick, NY 11566 (516) 377‑4054
- 124 N Merrick AveMerrick, NY 11566
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Merrick
Clinicians with the same Medicare primary specialty in Merrick, NY — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 1977 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1255452504 |
| 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