IndividualActive
Margaret Marshall, PH.D.
NPI 1639213283 · Psychologist · Philadelphia, PA
Margaret Marshall, PH.D. is a Psychologist provider in Philadelphia, PA (NPI 1639213283).
Provider details
- NPI number
- 1639213283
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PS006429L (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
227 N 18th St
Philadelphia, PA 19103-1212
Phone: (215) 854-7038
Street-level locationGet directions
Mailing address
422 Mcclenaghan Mill Rd
Wynnewood, PA 19096-1025
Registry dates
- Enumerated
- 2007-02-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Marshall's NPI number?
- Margaret Marshall's National Provider Identifier (NPI) is 1639213283, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Marshall's specialty?
- Margaret Marshall is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Margaret Marshall located?
- Margaret Marshall's practice location on file with NPPES is 227 N 18th St, Philadelphia, PA 19103-1212.
- What is Margaret Marshall's phone number?
- The practice phone number listed in the NPPES registry for Margaret Marshall is (215) 854-7038.
- Is Margaret Marshall's NPI active?
- Yes — Margaret Marshall's NPI (1639213283) 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.