DR. MARY-ANNE HENNEN M.D.
NPI 1952939118
Psychiatry & Neurology - Psychiatry in Staten Island, NY

Q: What is Mary-anne Hennen's NPI number?

The NPI number for Mary-anne Hennen is 1952939118. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Q: What is Mary-anne Hennen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Mary-anne Hennen was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 31, 2020PECOS EnrolledAccepts Medicare Assignment

475 SEAVIEW AVE, STATEN ISLAND, NY 10305(718) 226-9000 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 10, 2025, Mar 31, 2020 (2 updates tracked since 2020).

On this page

About Dr. Mary-anne Hennen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARY-ANNE HENNEN M.D. (NPI 1952939118) is an individual psychiatry provider in Staten Island, New York, licensed in New York (329317) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Staten Island University Hospital, and is a graduate of Rutgers New Jersey Medical School (2020).

NPPES Registry Identity

NPI1952939118

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. MARY-ANNE HENNENCredential: M.D.

Location Address475 SEAVIEW AVEStaten Island, NY 10305-3436

Mailing Address475 Seaview AveStaten Island, NY 10305-3436

Phone(718) 226-9000

Sole ProprietorNo

Medical School CMSRutgers New Jersey Medical SchoolGraduated 2020

Enumeration DateMarch 31, 2020

Last NPPES UpdateSeptember 10, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 10, 2025

✔ NPI 1952939118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in NY · 329317

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mary-anne Hennen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941706949

PECOS Enrollment IDI20250930000669

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Staten Island University Hospital

Acute Care Hospitals · Staten Island, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330160

Location475 Seaview AvenueStaten Island, NY 10305 · Richmond County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

Established Patient

$83.44 typical visit price

range $21.66 – $164.45

Typical copayment $20.86 (range $5.41 – $41.11)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. DAWN MARIE COTTONE RPA-C

Physician Assistant (Surgical)