Thomas Petersen, PH.D. MFT
NPI 1154420651 · Marriage & Family Therapist · Glendora, CA
Thomas Petersen, PH.D. MFT is a Marriage & Family Therapist provider in Glendora, CA (NPI 1154420651).
Provider details
- NPI number
- 1154420651
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- PH.D. MFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFT 14862 (CA)
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
- 2006-09-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Petersen's NPI number?
- Thomas Petersen's National Provider Identifier (NPI) is 1154420651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Petersen's specialty?
- Thomas Petersen is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Thomas Petersen located?
- Thomas Petersen's practice location on file with NPPES is 157 N Glendora Ave Ste 215, Glendora, CA 91741-3369.
- What is Thomas Petersen's phone number?
- The practice phone number listed in the NPPES registry for Thomas Petersen is (626) 278-0677.
- Is Thomas Petersen's NPI active?
- Yes — Thomas Petersen's NPI (1154420651) 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.