Quick answers
- Which hospitals does Ruth M. Jacobs work at?
- Medicare's official clinician data lists Ruth M. Jacobs at 3 hospitals: Adventist Healthcare Shady Grove Medical Center, Frederick Health Hospital and Holy Cross Germantown Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ruth M. Jacobs see patients?
- Medicare's clinician data lists 1 practice location in Germantown, MD. Call before your visit to confirm the address.
- What is Ruth M. Jacobs's specialty?
- Medicare lists Infectious Disease as the primary specialty, and also Allergy/Immunology and Internal Medicine.
- Does Ruth M. Jacobs accept Medicare assignment?
- Yes. Medicare's clinician data says Ruth M. Jacobs 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 Ruth M. Jacobs offer telehealth?
- Medicare's clinician data says Ruth M. Jacobs offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ruth M. Jacobs?
- (703) 673-6389, as listed in official Medicare / NPI Registry data.
- What is Ruth M. Jacobs's NPI number?
- 1497774913. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruth M. Jacobs works
Medicare's Facility Affiliation Data lists Ruth M. Jacobs 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
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · CCN 210005
- Holy Cross Germantown HospitalGermantown, MD · Acute Care Hospital · CCN 210065
Practice locations
Addresses where Ruth M. Jacobs is enrolled with Medicare (CMS data updated 2026-10-02).
- 19851 Observation Dr, Suite 245Germantown, MD 20876 (703) 673‑6389
Specialties
- Infectious Diseaseprimary
- Allergy/Immunologyalso
- Internal Medicinealso
Other infectious disease doctors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1980 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1497774913 |
| 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