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. Daniel Crogan:
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Specialties & Research
Dr. Daniel Crogan, MD is board certified in Internal Medicine.
- He has special expertise in 2 areas:
- Acne (Acne Vulgaris)
- Acne Rosacea
Education & Awards
Dr. Crogan graduated from University of Colorado, Denver.
Dr. Crogan has 2 hospital affiliations:
- Kaiser Foundation Hospital - Fresno
- Fresno Medical Center