IndividualActive
Thomas Treadwell, PHD
NPI 1285640342 · Psychologist · Philadelphia, PA
Thomas Treadwell, PHD is a Psychologist provider in Philadelphia, PA (NPI 1285640342).
Provider details
- NPI number
- 1285640342
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PS000300L (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
3535 Market St
2nd Floor
Philadelphia, PA 19104-3309
Phone: (215) 746-0448
Fax: (215) 898-1865
Street-level locationGet directions
Mailing address
3535 Market St
Philadelphia, PA 19104-3309
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Treadwell's NPI number?
- Thomas Treadwell's National Provider Identifier (NPI) is 1285640342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Treadwell's specialty?
- Thomas Treadwell is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Thomas Treadwell located?
- Thomas Treadwell's practice location on file with NPPES is 3535 Market St, Philadelphia, PA 19104-3309.
- What is Thomas Treadwell's phone number?
- The practice phone number listed in the NPPES registry for Thomas Treadwell is (215) 746-0448.
- Is Thomas Treadwell's NPI active?
- Yes — Thomas Treadwell's NPI (1285640342) 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.