John Ackerman, PHD
NPI 1689821001 · Clinical Child & Adolescent Psychologist · Columbus, OH
John Ackerman, PHD is a Clinical Child & Adolescent Psychologist provider in Columbus, OH (NPI 1689821001).
Provider details
- NPI number
- 1689821001
- Entity type
- Individual
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- P.6485 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-27
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Frequently asked questions
- What is John Ackerman's NPI number?
- John Ackerman's National Provider Identifier (NPI) is 1689821001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ackerman's specialty?
- John Ackerman is listed in the NPPES registry with a primary specialty of Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is John Ackerman located?
- John Ackerman's practice location on file with NPPES is 444 Butterfly Gardens Dr, Columbus, OH 43215-3427.
- What is John Ackerman's phone number?
- The practice phone number listed in the NPPES registry for John Ackerman is (614) 938-0226.
- Is John Ackerman's NPI active?
- Yes — John Ackerman's NPI (1689821001) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.