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

Dr. John Joseph Dalton, PHD

Individual provider Clinical Psychologist · NPI 1225252299

Dr. John Joseph Dalton, PHD is a Clinical Psychologist in Silver Spring, Maryland. Qualified in 1974, 52 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
52
Licensed in
MD
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

13925 New Hampshire Ave
Silver Spring, MD 20904
Phone: (301) 622-1714
Fax: (301) 384-4221
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1078 (MD)

Record details

NPI number1225252299
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 12, 2007
Last updated in NPPESJuly 8, 2007
Mailing address15113 Centergate Drive, Silver Spring, MD 20905

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1974 (52 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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