Quick answers
- Which hospitals does John Danziger work at?
- Medicare's official clinician data lists John Danziger at 4 hospitals: Beth Israel Deaconess Hospital - Milton, Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center and Boston Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Danziger see patients?
- Medicare's clinician data lists 11 practice locations, including Boston, MA, Dedham, MA and Burlington, MA. Call before your visit to confirm the address.
- What is John Danziger's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does John Danziger accept Medicare assignment?
- Yes. Medicare's clinician data says John Danziger 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 John Danziger offer telehealth?
- Medicare's clinician data says John Danziger offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John Danziger?
- (781) 983-9088, as listed in official Medicare / NPI Registry data.
- What is John Danziger's NPI number?
- 1730161142. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Danziger works
Medicare's Facility Affiliation Data lists John Danziger at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beth Israel Deaconess Hospital - MiltonMilton, MA · Acute Care Hospital · CCN 220108
- Beth Israel Deaconess Hospital - NeedhamNeedham, MA · Acute Care Hospital · CCN 220083
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · CCN 220086
- Boston Medical CenterBoston, MA · Acute Care Hospital · CCN 220031
Practice locations
Addresses where John Danziger is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 1 Deaconess RdBoston, MA 02215 (781) 983‑9088
- 1 Lyons StDedham, MA 02026 (781) 329‑1400
- 10 Mall Rd, Suite 301Burlington, MA 01803 (781) 488‑6843
- 100 2nd AveNeedham, MA 02494 (781) 726‑4800
- 1250 Hancock StQuincy, MA 02169 (617) 740‑0600
Group practices
Medicare enrollment lists John Danziger as a member of these groups (CMS data updated 2026-10-02).
- Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group
- Atrius Health Inc1,222 clinicians in the group
- Malik MD Health Services, LLC3 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1730161142 |
| 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