Marvin Simpson
NPI 1639877921 · Professional Counselor · Philadelphia, PA
Marvin Simpson is a Professional Counselor provider in Philadelphia, PA (NPI 1639877921).
Provider details
- NPI number
- 1639877921
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
3 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
- 2023-02-16
- Last updated
- 2023-02-16
- Certified
- 2023-02-16
Frequently asked questions
- What is Marvin Simpson's NPI number?
- Marvin Simpson's National Provider Identifier (NPI) is 1639877921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Simpson's specialty?
- Marvin Simpson is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Marvin Simpson located?
- Marvin Simpson's practice location on file with NPPES is 3300 N 13th St, Philadelphia, PA 19140-5224.
- What is Marvin Simpson's phone number?
- The practice phone number listed in the NPPES registry for Marvin Simpson is (267) 986-7909.
- Is Marvin Simpson's NPI active?
- Yes — Marvin Simpson's NPI (1639877921) is active in the NPPES registry as of the last update on 2023-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.