John Dalton, PHD
NPI 1225252299 · Clinical Psychologist · Silver Spring, MD
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Dalton, PHD is a Clinical Psychologist provider in Silver Spring, MD (NPI 1225252299).
Provider details
- NPI number
- 1225252299
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 1078 (MD)
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
19 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
- 2007-04-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Dalton's NPI number?
- John Dalton's National Provider Identifier (NPI) is 1225252299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Dalton's specialty?
- John Dalton is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Dalton located?
- John Dalton's practice location on file with NPPES is 13925 New Hampshire Ave, Silver Spring, MD 20904.
- What is John Dalton's phone number?
- The practice phone number listed in the NPPES registry for John Dalton is (301) 622-1714.
- Does John Dalton accept Medicare?
- John Dalton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Dalton's NPI active?
- Yes — John Dalton's NPI (1225252299) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.