Christian Ambler, PH.D.
NPI 1558421255 · Clinical Child & Adolescent Psychologist · Palo Alto, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christian Ambler, PH.D. is a Clinical Child & Adolescent Psychologist provider in Palo Alto, CA (NPI 1558421255).
Provider details
- NPI number
- 1558421255
- Entity type
- Individual
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY21335 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
3 documented practice locations
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
Additional practice locations (2)
- 340 2nd St Ste 11Los Altos, CA 94022-3651Phone: (650) 559-0814Fax: (650) 559-0815
- 4600 Bohannon Dr Ste BMenlo Park, CA 94025-1034Phone: (650) 724-9289Fax: (650) 559-0815
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2024-04-27
- Certified
- 2024-04-27
Frequently asked questions
- What is Christian Ambler's NPI number?
- Christian Ambler's National Provider Identifier (NPI) is 1558421255, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christian Ambler's specialty?
- Christian Ambler is listed in the NPPES registry with a primary specialty of Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is Christian Ambler located?
- Christian Ambler's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Christian Ambler's phone number?
- The practice phone number listed in the NPPES registry for Christian Ambler is (650) 497-8000.
- Does Christian Ambler accept Medicare?
- Christian Ambler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christian Ambler's NPI active?
- Yes — Christian Ambler's NPI (1558421255) is active in the NPPES registry as of the last update on 2024-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.