Quick answers
- Which hospitals does Ann N. Jacob work at?
- Medicare's official clinician data lists Ann N. Jacob at 1 hospital: Sibley Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ann N. Jacob see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, DC and Chevy Chase, MD. Call before your visit to confirm the address.
- What is Ann N. Jacob's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Ann N. Jacob accept Medicare assignment?
- Yes. Medicare's clinician data says Ann N. Jacob 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.
- What is the phone number for Ann N. Jacob?
- (202) 331-0770, as listed in official Medicare / NPI Registry data.
- What is Ann N. Jacob's NPI number?
- 1700374865. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ann N. Jacob works
Medicare's Facility Affiliation Data lists Ann N. Jacob at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · CCN 090005
Practice locations
Addresses where Ann N. Jacob is enrolled with Medicare (CMS data updated 2026-10-02).
- 1133 21st St NW, Suite 200Washington, DC 20036 (202) 331‑0770
- 5530 Wisconsin Ave, Suite 604Chevy Chase, MD 20815 (301) 654‑5700
Group practices
Medicare enrollment lists Ann N. Jacob as a member of these groups (CMS data updated 2026-10-02).
- Maryland Physicians Edge LLC97 clinicians in the group
- Reiter and Hill PLLC17 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Find other Obstetrics/Gynecology doctors in District of Columbia →
Other OB-GYNs in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700374865 |
| 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