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Marla Isaacs, PHD
NPI 1417448291 · Clinical Psychologist · Philadelphia, PA
Marla Isaacs, PHD is a Clinical Psychologist provider in Philadelphia, PA (NPI 1417448291).
Provider details
- NPI number
- 1417448291
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PS-002440-L (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
505 S 22nd St
Philadelphia, PA 19146-1246
Phone: (267) 879-6900
Street-level locationGet directions
Mailing address
512 S 24th St
Philadelphia, PA 19146-1002
Registry dates
- Enumerated
- 2018-05-28
- Last updated
- 2018-05-28
Frequently asked questions
- What is Marla Isaacs's NPI number?
- Marla Isaacs's National Provider Identifier (NPI) is 1417448291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marla Isaacs's specialty?
- Marla Isaacs is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Marla Isaacs located?
- Marla Isaacs's practice location on file with NPPES is 505 S 22nd St, Philadelphia, PA 19146-1246.
- What is Marla Isaacs's phone number?
- The practice phone number listed in the NPPES registry for Marla Isaacs is (267) 879-6900.
- Is Marla Isaacs's NPI active?
- Yes — Marla Isaacs's NPI (1417448291) is active in the NPPES registry as of the last update on 2018-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.