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Internal Medicine

Christine Baker, MD

Works at hospitals in Greenfield, MA · Springfield, MA · Holyoke, MA … · Massachusetts

Summary

Christine Baker, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Greenfield, MA, Springfield, MA and Holyoke, MA and other places. NPI 1518946359. 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 Christine Baker, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
34Years since medical school (graduated 1992)
Boston University School Of MedicineMedical school
FemaleGender (as listed)
Pioneer Valley Internal Medicine, PCGroup practice

Quick answers

Which hospitals does Christine Baker work at?
Medicare's official clinician data lists Christine Baker at 4 hospitals: Baystate Franklin Medical Center, Baystate Medical Center, Holyoke Medical Center and The Cooley Dickinson Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Christine Baker see patients?
Medicare's clinician data lists 1 practice location in Florence, MA. Call before your visit to confirm the address.
What is Christine Baker's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Christine Baker accept Medicare assignment?
Yes. Medicare's clinician data says Christine Baker 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.
Does Christine Baker offer telehealth?
Medicare's clinician data says Christine Baker offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Christine Baker?
(413) 584-2333, as listed in official Medicare / NPI Registry data.
What is Christine Baker's NPI number?
1518946359. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christine Baker works

Medicare's Facility Affiliation Data lists Christine Baker 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 Christine Baker is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Pioneer Valley Internal Medicine, PC2 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

All internal medicine doctors in Massachusetts →

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year1992
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1518946359
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