DR. MARK ANDREW CHANASUE MD
NPI 1366904757
Psychiatry & Neurology - Psychiatry in Ossining, NY

Q: What is Mark Chanasue's NPI number?

The NPI number for Mark Chanasue is 1366904757. It was assigned to this individual provider in the NPPES registry on April 3, 2019.

Q: What is Mark Chanasue'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 Mark Chanasue was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 April 03, 2019PECOS EnrolledAccepts Medicare Assignment

22 ROCKLEDGE AVE, OSSINING, NY 10562(914) 944-5220 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 24, 2026, Jul 31, 2024, Jun 15, 2023 and 1 more (4 updates tracked since 2019).

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About Dr. Mark Andrew Chanasue Md NPPES

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

DR. MARK ANDREW CHANASUE MD (NPI 1366904757) is an individual psychiatry provider in Ossining, New York, licensed in Missouri (2024022228) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Phelps Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1366904757

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. MARK ANDREW CHANASUECredential: MD

Location Address22 ROCKLEDGE AVEOssining, NY 10562-5960

Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 286-1700 · Fax (314) 627-7225

Phone(914) 944-5220

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateApril 3, 2019

Last NPPES UpdateMarch 24, 20264 updates tracked since enumeration

NPPES CertifiedMarch 24, 2026

✔ NPI 1366904757 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 MO · 2024022228

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.

22 ROCKLEDGE AVE, Ossining, NY 10562

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Other Identifiers 1

Medicaid200143059MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans, Medica, Oscar Insurance Company.Insurance ›

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. Mark Andrew Chanasue Md 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 ID8628438017

PECOS Enrollment IDI20240718001405, I20260406001454

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.

Phelps Hospital

Acute Care Hospitals · Sleepy Hollow, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330261

Location701 N BroadwaySleepy Hollow, NY 10591 · Westchester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10562 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 9

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

HEATHER L HOWE LCSW

Social Worker (Clinical)