Quick answers
- Which hospitals does Stephen Vaccarezza work at?
- Medicare's official clinician data lists Stephen Vaccarezza at 5 hospitals: Adventist Healthcare Shady Grove Medical Center, Holy Cross Germantown Hospital, Holy Cross Hospital, MedStar Montgomery Medical Center and Suburban Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen Vaccarezza see patients?
- Medicare's clinician data lists 1 practice location in Rockville, MD. Call before your visit to confirm the address.
- What is Stephen Vaccarezza's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Stephen Vaccarezza accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen Vaccarezza 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 Stephen Vaccarezza offer telehealth?
- Medicare's clinician data says Stephen Vaccarezza offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stephen Vaccarezza?
- (301) 231-7111, as listed in official Medicare / NPI Registry data.
- What is Stephen Vaccarezza's NPI number?
- 1861488314. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen Vaccarezza works
Medicare's Facility Affiliation Data lists Stephen Vaccarezza at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute Care Hospital · CCN 210057
- Holy Cross Germantown HospitalGermantown, MD · Acute Care Hospital · CCN 210065
- Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · CCN 210004
- MedStar Montgomery Medical CenterOlney, MD · Acute Care Hospital · CCN 210018
- Suburban HospitalBethesda, MD · Acute Care Hospital · CCN 210022
Practice locations
Addresses where Stephen Vaccarezza is enrolled with Medicare (CMS data updated 2026-10-02).
- 6240 Montrose RdRockville, MD 20852 (301) 231‑7111
Group practices
Medicare enrollment lists Stephen Vaccarezza as a member of this group (CMS data updated 2026-10-02).
- Nephrology Associates of Montgomery County2 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Chicago, Pritzker School Of Medicine |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1861488314 |
| 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