Marianne Elizabeth Chai, M.D.
Psychiatry Physician · New York, NY
Marianne Elizabeth Chai, M.D. is a psychiatry physician with a practice address in New York, New York, and NPI 1821295577, issued on Jun 27, 2007. Check the license (New York 63227, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Marianne Elizabeth Chai
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 63227 NY
2240 NY
7970 NY
Self-reported in NPPES; status is on the state search - Practice location
- 226 E 52ND St, New York, NY 10022
- Phone
- (212) 712-8811
- Enumerated
- Jun 27, 2007
- Record last updated
- Jan 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220328000483); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 226 E 52ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Chernack, MSW, LCSW-R, DSWClinical Social Worker1063177814
- Daniel DecotiisSocial Worker1891378493
- Eliana KahanStudent in an Organized Health Care Education/Training Program1952060030
- Colby Kossoy, LMHCMental Health Counselor1356921951
- Avery Landon, LMSWSocial Worker1548138399
- Grace Miceli, MHC-LPMental Health Counselor1447147608
Verify Marianne Elizabeth Chai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 63227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average psychiatry physician in 2024
558 Medicare Part D claims for 49 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Buprenorphine-Naloxone64 claims
- Quetiapine Fumarate33 claims
- Duloxetine Hcl29 claims
- Buprenorphine Hcl28 claims
- Mirtazapine26 claims
- Fluoxetine Hcl25 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
- Adventist Health Clearlake Hospital Inc.Clearlake, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marianne Elizabeth Chai among 6,589 psychiatry physician records in New York
Marianne Elizabeth Chai, M.D. 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 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 44% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2007 · median 2002 among the 2,559 with a school on file
- Record last updated2015 · 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).
2,604 psychiatry physician records list a practice address in New York
They are 2,604 of the 98,468 NPPES records with a practice address in New York, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in New York → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Christina Asig, MDNew York, NY 100221750346490
- Faina Chachko, MDNew York, NY 100221134271075
- Daria Colombo, M.D.New York, NY 100221952477341
- Paul Debell, M.D.New York, NY 100221396805032
- Eli Einbinder, MDNyc, NY 100221669531059
- Susan Jaffe, M.D.New York, NY 100221154408508
- Ewa Kozikowska, MDNew York, NY 100221063585644
- Nathan Kravis, MDNew York, NY 100221841358926
Common questions
What is Marianne Elizabeth Chai, M.D.'s NPI number?
Marianne Elizabeth Chai, M.D.'s National Provider Identifier (NPI) is 1821295577, issued on Jun 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marianne Elizabeth Chai, M.D. located?
The NPPES record lists a practice address at 226 E 52ND St, New York, NY, 10022. Phone: (212) 712-8811. Providers update this record themselves, so call before visiting.
How can I verify Marianne Elizabeth Chai, M.D.'s license?
NPPES lists New York license number 63227, as entered by the provider. 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 Marianne Elizabeth Chai, M.D. prescribe under Medicare Part D?
In 2024, Marianne Elizabeth Chai, M.D. had 558 Medicare Part D claims for 49 beneficiaries; 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.