Quick answers
- Which hospitals does Melissa Mark work at?
- Medicare's official clinician data lists Melissa Mark at 1 hospital: Alta Bates Summit Medical Center - Alta Bates Camp…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Melissa Mark see patients?
- Medicare's clinician data lists 2 practice locations, including Berkeley, CA and Fremont, CA. Call before your visit to confirm the address.
- What is Melissa Mark's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Melissa Mark accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa Mark 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 Melissa Mark?
- (510) 204-1591, as listed in official Medicare / NPI Registry data.
- What is Melissa Mark's NPI number?
- 1861722621. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Melissa Mark works
Medicare's Facility Affiliation Data lists Melissa Mark at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alta Bates Summit Medical Center - Alta Bates Camp…Berkeley, CA · Acute Care Hospital · CCN 050305
Practice locations
Addresses where Melissa Mark is enrolled with Medicare (CMS data updated 2026-10-02).
- 2001 Dwight WayBerkeley, CA 94704 (510) 204‑1591
- 3200 Kearney StFremont, CA 94538 (510) 490‑1222
Group practices
Medicare enrollment lists Melissa Mark as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Berkeley
Clinicians with the same Medicare primary specialty in Berkeley, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861722621 |
| 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