Jack Marmorstein, APC
NPI 1700678760 · Professional Counselor · Philadelphia, PA
Jack Marmorstein, APC is a Professional Counselor provider in Philadelphia, PA (NPI 1700678760).
Provider details
- NPI number
- 1700678760
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- APC
- Sex
- Male
- Sole proprietor
- Yes
- License
- APC000834 (PA)
Specialties & taxonomies
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
1 yr 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
Mailing address
Registry dates
- Enumerated
- 2025-05-19
- Last updated
- 2025-05-19
- Certified
- 2025-05-18
Frequently asked questions
- What is Jack Marmorstein's NPI number?
- Jack Marmorstein's National Provider Identifier (NPI) is 1700678760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Marmorstein's specialty?
- Jack Marmorstein is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Jack Marmorstein located?
- Jack Marmorstein's practice location on file with NPPES is 2315 Madison Sq, Philadelphia, PA 19146-1712.
- What is Jack Marmorstein's phone number?
- The practice phone number listed in the NPPES registry for Jack Marmorstein is (540) 560-9597.
- Is Jack Marmorstein's NPI active?
- Yes — Jack Marmorstein's NPI (1700678760) is active in the NPPES registry as of the last update on 2025-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.