Quick answers
- Which hospitals does Joshua Marcus work at?
- Medicare's official clinician data lists Joshua Marcus at 2 hospitals: Danbury Hospital and Norwalk Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joshua Marcus see patients?
- Medicare's clinician data lists 5 practice locations, including Fairfield, CT, Poughkeepsie, NY and Greenwich, CT. Call before your visit to confirm the address.
- What is Joshua Marcus's specialty?
- Medicare lists Neurosurgery as the primary specialty, and also Thoracic Surgery.
- Does Joshua Marcus accept Medicare assignment?
- Yes. Medicare's clinician data says Joshua Marcus 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 Joshua Marcus offer telehealth?
- Medicare's clinician data says Joshua Marcus offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Joshua Marcus?
- (203) 255-8888, as listed in official Medicare / NPI Registry data.
- What is Joshua Marcus's NPI number?
- 1609010719. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joshua Marcus works
Medicare's Facility Affiliation Data lists Joshua Marcus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Danbury HospitalDanbury, CT · Acute Care Hospital · CCN 070033
- Norwalk HospitalNorwalk, CT · Acute Care Hospital · CCN 070034
Practice locations
Addresses where Joshua Marcus is enrolled with Medicare (CMS data updated 2026-10-02).
- 222 Post RdFairfield, CT 06824 (203) 255‑8888
- 222 Post Rd, Suite EFairfield, CT 06824 (203) 255‑8888
- 45 Reade PlPoughkeepsie, NY 12601 (845) 454‑8500
- 5 Perryridge RdGreenwich, CT 06830 (203) 863‑3000
- 67 Sand Pit RdDanbury, CT 06810 (203) 792‑2003
Group practices
Medicare enrollment lists Joshua Marcus as a member of these groups (CMS data updated 2026-10-02).
- Yale University2,645 clinicians in the group
- Nuvance Health Medical Practice Ct Inc747 clinicians in the group
- Nuvance Health Medical Practice PC595 clinicians in the group
- Ptsma Inc224 clinicians in the group
Specialties
- Neurosurgeryprimary
- Thoracic Surgeryalso
Other neurosurgeons in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1609010719 |
| 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