Mark Andrew Chanasue, MD
Psychiatry Physician · Ossining, NY
Mark Andrew Chanasue, MD is a psychiatry physician with a practice address in Ossining, New York, and NPI 1366904757, issued on Apr 3, 2019. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Andrew Chanasue
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 2024022228 MO
Self-reported in NPPES; status is on the state search - Practice location
- 22 Rockledge Ave, Ossining, NY 10562
- Phone
- (914) 944-5220
- Enumerated
- Apr 3, 2019
- Record last updated
- Mar 24, 2026
- Medicaid ID
- 200143059 MO
- Medicare enrollment
- Enrolled (PECOS I20240718001405); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 22 Rockledge Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelsey Ferrari, LCSWClinical Social Worker1760097083
- Heather Howe, LCSWClinical Social Worker1023609427
- Ahlena Leon Bell, CASACAddiction (Substance Use Disorder) Counselor1417548751
- Rowenna Makaj, MASTER CASACAddiction (Substance Use Disorder) Counselor1578154068
- Michelle McQueen, LCSWClinical Social Worker1417267378
- Nancy Muskin, MS CRC, LMHCMental Health Counselor1780883934
Verify Mark Andrew Chanasue in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
18 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Andrew Chanasue among 6,589 psychiatry physician records in New York
Mark Andrew Chanasue, MD is one of 6,589 psychiatry physician records with a practice address in New York. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 88% of them.
- NPI issued2019 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2019 · median 2002 among the 2,559 with a school on file
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 psychiatry physician records list a practice address in Ossining
They are 5 of the 403 NPPES records with a practice address in Ossining, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in Ossining → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- James Davis, MDOssining, NY 105621639260060
- Fady Hajal, M.D.Ossining, NY 105621447334537
- Etel LeybovichOssining, NY 105621710156054
- Jacob SamanderOssining, NY 105621710078787
- Debra Appel, M.D.North Salem, NY 105601992995765
- Lisa Aaron, MDPeekskill, NY 105661316097934
- Andy Casimir, M.D.Peekskill, NY 105661306979752
- Daniel Koblentz, M.D.Peekskill, NY 105661043235435
Common questions
What is Mark Andrew Chanasue, MD's NPI number?
Mark Andrew Chanasue, MD's National Provider Identifier (NPI) is 1366904757, issued on Apr 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mark Andrew Chanasue, MD located?
The NPPES record lists a practice address at 22 Rockledge Ave, Ossining, NY, 10562. Phone: (914) 944-5220. Providers update this record themselves, so call before visiting.
How can I verify Mark Andrew Chanasue, MD's license?
Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Andrew Chanasue, MD prescribe under Medicare Part D?
In 2024, Mark Andrew Chanasue, MD had 18 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.