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).
Learn more about Dr. Philip Cryer:
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Specialties & Research
Dr. Philip Cryer, MD is board certified in Internal Medicine.
- He has special expertise in 10 areas:
- Adrenal Gland Cancer
- Adrenal Surgery (Adrenalectomy)
- Diabetes Mellitus
- Diabetic Neuropathies
- Thyroid Cancer
- Thyroid Diseases
Education & Awards
Dr. Cryer graduated from Northwestern University, Chicago. He has 5 awards.
Dr. Cryer has 4 hospital affiliations:
- Barnes Jewish Hospital
- St. Louis Children's Hospital