Quick answers
- Which hospitals does Mary R. Parker work at?
- Medicare's official clinician data lists Mary R. Parker at 3 hospitals: NYU Langone Hospitals, Suny/Stony Brook University Hospital and Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary R. Parker see patients?
- Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
- What is Mary R. Parker's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mary R. Parker accept Medicare assignment?
- Yes. Medicare's clinician data says Mary R. Parker 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 Mary R. Parker offer telehealth?
- Medicare's clinician data says Mary R. Parker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mary R. Parker?
- (212) 857-4522, as listed in official Medicare / NPI Registry data.
- What is Mary R. Parker's NPI number?
- 1790781789. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary R. Parker works
Medicare's Facility Affiliation Data lists Mary R. Parker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
- Valley HospitalParamus, NJ · Acute Care Hospital · CCN 310012
Practice locations
Addresses where Mary R. Parker is enrolled with Medicare (CMS data updated 2026-10-02).
- 575 Madison Ave, Suite 1501New York, NY 10022 (212) 857‑4522
Group practices
Medicare enrollment lists Mary R. Parker as a member of this group (CMS data updated 2026-10-02).
- The Madison Physicians, LLP6 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790781789 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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