Mary-Anne Hennen, M.D.
NPI 1952939118 · Psychiatry Physician · Staten Island, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary-Anne Hennen, M.D. is a Psychiatry Physician provider in Staten Island, NY (NPI 1952939118).
Provider details
- NPI number
- 1952939118
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 329317 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
Mailing address
Registry dates
- Enumerated
- 2020-03-31
- Last updated
- 2025-09-10
- Certified
- 2025-09-10
Frequently asked questions
- What is Mary-Anne Hennen's NPI number?
- Mary-Anne Hennen's National Provider Identifier (NPI) is 1952939118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary-Anne Hennen's specialty?
- Mary-Anne Hennen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mary-Anne Hennen located?
- Mary-Anne Hennen's practice location on file with NPPES is 475 Seaview Ave, Staten Island, NY 10305-3436.
- What is Mary-Anne Hennen's phone number?
- The practice phone number listed in the NPPES registry for Mary-Anne Hennen is (718) 226-9000.
- Does Mary-Anne Hennen accept Medicare?
- Mary-Anne Hennen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary-Anne Hennen's NPI active?
- Yes — Mary-Anne Hennen's NPI (1952939118) is active in the NPPES registry as of the last update on 2025-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.