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. John Ahlering:
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Specialties & Research
Dr. John Ahlering, MD is board certified in Anesthesiology.
Education & Awards
Dr. Ahlering graduated from University of California at San Diego, La Jolla.
Dr. Ahlering has 2 hospital affiliations:
- Stanford Hospital and Clinics
- Lucile Salter Packard Children's Hospital @ Stanford
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- Additional Information
- Dr. John Ryan Ahlering MD is a male Anesthesiologist, has 34 years of experience and practices in Anesthesiology.
- Where does Dr. John R. Ahlering practice?
- Dr. John Ahlering has 1 office location.
Dr. John Ahlering practices Anesthesiology near Stanford, CA.
See Stanford Anesthesiologists.