Quick answers
- Where does Sheldon Firstenberg see patients?
- Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is Sheldon Firstenberg's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Sheldon Firstenberg accept Medicare assignment?
- Medicare's clinician data says Sheldon Firstenberg may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Sheldon Firstenberg offer telehealth?
- Medicare's clinician data says Sheldon Firstenberg offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sheldon Firstenberg?
- (917) 859-5877, as listed in official Medicare / NPI Registry data.
- What is Sheldon Firstenberg's NPI number?
- 1205846094. 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 Sheldon Firstenberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 150 E 27th St, Apt 2dNew York, NY 10016 (917) 859‑5877
- 150 E 27th St Apt, 2dNew York, NY 10016
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1205846094 |
| 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