Quick answers
- Where does Mark Greenspan see patients?
- Medicare's clinician data lists 2 practice locations, including Atlanta, GA and Roswell, GA. Call before your visit to confirm the address.
- What is Mark Greenspan's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Mark Greenspan accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Greenspan 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 Greenspan?
- (866) 525-3175, as listed in official Medicare / NPI Registry data.
- What is Mark Greenspan's NPI number?
- 1801965074. 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 Greenspan is enrolled with Medicare (CMS data updated 2026-10-02).
- 260 Peachtree St NW, Suite 2200Atlanta, GA 30303 (866) 525‑3175
- 930 Woodstock Rd, Suite 310Roswell, GA 30075 (770) 998‑6636
Group practices
Medicare enrollment lists Mark Greenspan as a member of these groups (CMS data updated 2026-10-02).
- Georgia Luna Care Physical Therapy LLC166 clinicians in the group
- A Step Ahead Physical Therapy, LLC9 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Georgia →
Other physical therapists in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801965074 |
| 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