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Matthew Wintersteen, PH.D.
NPI 1861585895 · Psychologist · Philadelphia, PA
Matthew Wintersteen, PH.D. is a Psychologist provider in Philadelphia, PA (NPI 1861585895).
Provider details
- NPI number
- 1861585895
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PS015700 (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
833 Chestnut St
Suite 210
Philadelphia, PA 19107-4414
Phone: (215) 503-2824
Fax: (215) 923-8219
Street-level locationGet directions
Mailing address
833 Chestnut St
Philadelphia, PA 19107-4414
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2008-07-30
Frequently asked questions
- What is Matthew Wintersteen's NPI number?
- Matthew Wintersteen's National Provider Identifier (NPI) is 1861585895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Wintersteen's specialty?
- Matthew Wintersteen is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Wintersteen located?
- Matthew Wintersteen's practice location on file with NPPES is 833 Chestnut St, Philadelphia, PA 19107-4414.
- What is Matthew Wintersteen's phone number?
- The practice phone number listed in the NPPES registry for Matthew Wintersteen is (215) 503-2824.
- Is Matthew Wintersteen's NPI active?
- Yes — Matthew Wintersteen's NPI (1861585895) is active in the NPPES registry as of the last update on 2008-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.