Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John L Hertzer, MD

Individual provider Child & Adolescent Psychiatry Physician · NPI 1104885235

John L Hertzer, MD is a Child & Adolescent Psychiatry Physician in Cleveland, Ohio. Licensed in Ohio. Registered with an NPI since 2006.

Licensed in
OH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11100 Euclid Ave
Cleveland, OH 44106-1716
Phone: (216) 844-3881
Fax: (216) 844-5883
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 35072227 (OH)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 35072227 (OH)

Record details

NPI number1104885235
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 18, 2006
Last updated in NPPESJanuary 14, 2021
Certification dateJanuary 14, 2021
Mailing address24701 Euclid Ave, 3rd Floor, Euclid, OH 44117-1714

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