Quick answers
- Where does Marianne Ruby see patients?
- Medicare's clinician data lists 1 practice location in Philadelphia, PA. Call before your visit to confirm the address.
- What is Marianne Ruby's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Marianne Ruby accept Medicare assignment?
- Medicare's clinician data says Marianne Ruby may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Marianne Ruby?
- (215) 923-1112, as listed in official Medicare / NPI Registry data.
- What is Marianne Ruby's NPI number?
- 1356433528. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Marianne Ruby is enrolled with Medicare (CMS data updated 2026-10-02).
- 1015 Chestnut St, Suite 601Philadelphia, PA 19107 (215) 923‑1112
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 1975 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1356433528 |
| 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
- 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