Quick answers
- Where does Janet J. Ko see patients?
- Medicare's clinician data lists 6 practice locations, including Norristown, PA, Philadelphia, PA and East Norriton, PA. Call before your visit to confirm the address.
- What is Janet J. Ko's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Janet J. Ko accept Medicare assignment?
- Yes. Medicare's clinician data says Janet J. Ko 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 Janet J. Ko?
- (484) 622-7300, as listed in official Medicare / NPI Registry data.
- What is Janet J. Ko's NPI number?
- 1780627968. 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 Janet J. Ko is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1330 Powell St, Suite 507Norristown, PA 19401 (484) 622‑7300
- 5401 Old York RdPhiladelphia, PA 19141
- 609 W Germantown PikeEast Norriton, PA 19403
- 609 W Germantown PikeNorristown, PA 19403 (610) 279‑1500
- 609 W Germantown Pike, Suite 220East Norriton, PA 19403 (484) 622‑7940
Group practices
Medicare enrollment lists Janet J. Ko as a member of these groups (CMS data updated 2026-10-02).
- Einstein Practice Plan Inc794 clinicians in the group
- Fornance Physician Services Inc100 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Norristown
Clinicians with the same Medicare primary specialty in Norristown, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780627968 |
| 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