Quick answers
- Which hospitals does Raymond A. Bass work at?
- Medicare's official clinician data lists Raymond A. Bass 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 Raymond A. Bass see patients?
- Medicare's clinician data lists 1 practice location in Silver Spring, MD. Call before your visit to confirm the address.
- What is Raymond A. Bass's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Raymond A. Bass accept Medicare assignment?
- Yes. Medicare's clinician data says Raymond A. Bass 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 Raymond A. Bass offer telehealth?
- Medicare's clinician data says Raymond A. Bass offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Raymond A. Bass?
- (301) 942-5355, as listed in official Medicare / NPI Registry data.
- What is Raymond A. Bass's NPI number?
- 1689672164. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Raymond A. Bass works
Medicare's Facility Affiliation Data lists Raymond A. Bass 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 Raymond A. Bass is enrolled with Medicare (CMS data updated 2026-10-02).
- 3941 Ferrara DrSilver Spring, MD 20906 (301) 942‑5355
Group practices
Medicare enrollment lists Raymond A. Bass as a member of this group (CMS data updated 2026-10-02).
- Montgomery Renal Associates P.A.5 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Silver Spring
Clinicians with the same Medicare primary specialty in Silver Spring, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689672164 |
| 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