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About this NPIWhat this record shows.
NPI 1669772455 is registered to Dr. Harper Johnston PH.D., a Clinical Child & Adolescent Psychologist practising at 1708 W Rogers Ave in Baltimore, Maryland. Clinical Child & Adolescent Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Harper Johnston PH.D. has been enumerated in the National Provider Identifier (NPI) registry since 2010.
Provider type
Individual (Type 1)
Status
Active
Enumerated
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The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Harper Johnston PH.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Harper Johnston PH.D. directly at (410) 578-7090.
Frequently asked
Yes. NPI 1669772455 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Child & Adolescent Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (410) 578-7090.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Harper Johnston PH.D. is a Type-1 individual NPI.
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