A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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Specialties & Research
- She has special expertise in 1 area:
- Alzheimer's Disease
Dr. Gruer has 5 hospital affiliations:
- Lehigh Valley Hospital
- Chestnut Hill Hospital
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- Additional Information
- Dr. Catherine Mary Gruer MD is a female Internist and practices in Geriatric Medicine.
- Where does Dr. Catherine M. Gruer practice?
- Dr. Catherine Gruer has 1 office location.
Dr. Catherine Gruer practices Geriatric Medicine near Allentown, PA.
See Allentown Geriatric Doctors.