Quick answers
- Which hospitals does Nancy A. Petersen work at?
- Medicare's official clinician data lists Nancy A. Petersen at 3 hospitals: Massachusetts General Hospital, Newton-Wellesley Hospital and North Shore Medical Center -. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nancy A. Petersen see patients?
- Medicare's clinician data lists 1 practice location in Danvers, MA. Call before your visit to confirm the address.
- What is Nancy A. Petersen's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Nancy A. Petersen accept Medicare assignment?
- Yes. Medicare's clinician data says Nancy A. Petersen 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 Nancy A. Petersen?
- (978) 739-6950, as listed in official Medicare / NPI Registry data.
- What is Nancy A. Petersen's NPI number?
- 1972604791. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nancy A. Petersen works
Medicare's Facility Affiliation Data lists Nancy A. Petersen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · CCN 220071
- Newton-Wellesley HospitalNewton, MA · Acute Care Hospital · CCN 220101
- North Shore Medical Center -Salem, MA · Acute Care Hospital · CCN 220035
Practice locations
Addresses where Nancy A. Petersen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Hutchinson DrDanvers, MA 01923 (978) 739‑6950
Group practices
Medicare enrollment lists Nancy A. Petersen as a member of this group (CMS data updated 2026-10-02).
- Mass General Brigham Medical Group Northern Massachusetts Inc827 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Danvers
Clinicians with the same Medicare primary specialty in Danvers, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 1979 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972604791 |
| 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