Quick answers
- Where does Clifton M. Jackness see patients?
- Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
- What is Clifton M. Jackness's specialty?
- Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
- Does Clifton M. Jackness accept Medicare assignment?
- Medicare's clinician data says Clifton M. Jackness may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Clifton M. Jackness?
- (845) 689-3122, as listed in official Medicare / NPI Registry data.
- What is Clifton M. Jackness's NPI number?
- 1346402716. 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 Clifton M. Jackness is enrolled with Medicare (CMS data updated 2026-10-02).
- 103 E 75th StNew York, NY 10021 (845) 689‑3122
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1346402716 |
| 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