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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Christian J. Otto, PH.D.

Mental Health Counselor in Park Ridge, IL · enumerated 2007 · practices at Mary Grant-Angioletti.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1144431396

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Registry record

Entity type Individual (Type 1)
Name Dr. Christian J. Otto
Credential PH.D.
Sex Male
Practice address Park Ridge, IL, 60068
Phone (312) 933-7549
Fax (312) 873-4738
Enumeration date May 26, 2007
Last updated in NPPES Nov 17, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 180-003609 (IL) Primary
106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 166-000438 (IL) Secondary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Christian Otto?
The National Provider Identifier (NPI) for Christian Otto is 1144431396, a Type 1 (individual) record in the CMS NPPES registry.
Where does Christian Otto practice?
The practice location on file with NPPES is in Park Ridge, IL. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-11-17.