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
Dr. Hillis Warren, MD is board certified in Ophthalmology.
Education & Awards
Dr. Warren graduated from University of California at Davis.
Dr. Warren has 4 hospital affiliations:
- Sutter General Hospital
- Mercy General Hospital
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- Additional Information
- Dr. Hillis Lynn Warren MD is a male Ophthalmologist, has 37 years of experience and practices in Ophthalmology.
- Where does Dr. Hillis L. Warren practice?
- Dr. Hillis Warren has 2 office locations.
Dr. Hillis Warren practices Ophthalmology near Sacramento, CA.
See Sacramento Ophthalmologists.