Mark Simon
NPI 1578883856 · Mental Health Counselor · New York, NY
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Simon is a Mental Health Counselor provider in New York, NY (NPI 1578883856).
Provider details
- NPI number
- 1578883856
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
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
- 2010-06-09
- Last updated
- 2010-06-09
Frequently asked questions
- What is Mark Simon's NPI number?
- Mark Simon's National Provider Identifier (NPI) is 1578883856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Simon's specialty?
- Mark Simon is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Simon located?
- Mark Simon's practice location on file with NPPES is 1727 Amsterdam Ave, New York, NY 10031-4611.
- What is Mark Simon's phone number?
- The practice phone number listed in the NPPES registry for Mark Simon is (212) 694-9200.
- Does Mark Simon accept Medicare?
- Mark Simon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Simon's NPI active?
- Yes — Mark Simon's NPI (1578883856) is active in the NPPES registry as of the last update on 2010-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.