John Chamberlain, PH.D.
NPI 1114137098 · Clinical Psychologist · Silver Spring, MD
John Chamberlain, PH.D. is a Clinical Psychologist provider in Silver Spring, MD (NPI 1114137098).
Provider details
- NPI number
- 1114137098
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY1000161 (DC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2007-05-22
- Last updated
- 2010-10-14
Frequently asked questions
- What is John Chamberlain's NPI number?
- John Chamberlain's National Provider Identifier (NPI) is 1114137098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chamberlain's specialty?
- John Chamberlain is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Chamberlain located?
- John Chamberlain's practice location on file with NPPES is 8720 Georgia Ave, Silver Spring, MD 20910-3638.
- What is John Chamberlain's phone number?
- The practice phone number listed in the NPPES registry for John Chamberlain is (301) 495-0266.
- Is John Chamberlain's NPI active?
- Yes — John Chamberlain's NPI (1114137098) is active in the NPPES registry as of the last update on 2010-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.