Gretchen Mathieu, PH.D.
NPI 1982836508 · Counseling Psychologist · Philadelphia, PA
Gretchen Mathieu, PH.D. is a Counseling Psychologist provider in Philadelphia, PA (NPI 1982836508).
Provider details
- NPI number
- 1982836508
- Entity type
- Individual
- Primary specialty
- Counseling PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
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
16 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2009-08-15
- Last updated
- 2009-08-20
Frequently asked questions
- What is Gretchen Mathieu's NPI number?
- Gretchen Mathieu's National Provider Identifier (NPI) is 1982836508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Mathieu's specialty?
- Gretchen Mathieu is listed in the NPPES registry with a primary specialty of Counseling Psychologist (Behavioral Health & Social Service Providers).
- Where is Gretchen Mathieu located?
- Gretchen Mathieu's practice location on file with NPPES is 3900 City Line Ave, Philadelphia, PA 19131-2908.
- What is Gretchen Mathieu's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Mathieu is (215) 878-3052.
- Is Gretchen Mathieu's NPI active?
- Yes — Gretchen Mathieu's NPI (1982836508) is active in the NPPES registry as of the last update on 2009-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.