James Lock, MD, PH.D
NPI 1821133836 · Child & Adolescent Psychiatry Physician · Palo Alto, CA
James Lock, MD, PH.D is a Child & Adolescent Psychiatry Physician provider in Palo Alto, CA (NPI 1821133836).
Provider details
- NPI number
- 1821133836
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PH.D
- Sex
- Male
- Sole proprietor
- No
- License
- G064940 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-02-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Lock's NPI number?
- James Lock's National Provider Identifier (NPI) is 1821133836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Lock's specialty?
- James Lock is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is James Lock located?
- James Lock's practice location on file with NPPES is 401 Quarry Rd, Palo Alto, CA 94304-1419.
- What is James Lock's phone number?
- The practice phone number listed in the NPPES registry for James Lock is (650) 723-5473.
- Is James Lock's NPI active?
- Yes — James Lock's NPI (1821133836) 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.