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Obstetrics/Gynecology

Melissa Johnson, MD

Works at hospitals in Marysville, CA · Springfield, MA · Oroville, CA · California, Massachusetts

Summary

Melissa Johnson, MD (Obstetrics/Gynecology) is listed by Medicare at 3 hospitals in Marysville, CA, Springfield, MA and Oroville, CA. NPI 1184618654. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Melissa Johnson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
33Years since medical school (graduated 1993)
University Of Minnesota Medical SchoolMedical school
FemaleGender (as listed)
Sutter Valley Medical FoundationGroup practice

Quick answers

Which hospitals does Melissa Johnson work at?
Medicare's official clinician data lists Melissa Johnson at 3 hospitals: Adventist Health and Rideout, Baystate Medical Center and Oroville Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Melissa Johnson see patients?
Medicare's clinician data lists 2 practice locations, including Roseville, CA and Sacramento, CA. Call before your visit to confirm the address.
What is Melissa Johnson's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Melissa Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Melissa Johnson 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 Melissa Johnson's NPI number?
1184618654. 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 Johnson works

Medicare's Facility Affiliation Data lists Melissa Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Melissa Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Melissa Johnson as a member of this group (CMS data updated 2026-10-02).

  • Sutter Valley Medical Foundation2,500 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Roseville

Clinicians with the same Medicare primary specialty in Roseville, CA — not a recommendation.

All OB-GYNs in Roseville →

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year1993
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184618654
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians