Marianne Chai, M.D.
NPI 1821295577 · Psychiatry Physician · New York, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianne Chai, M.D. is a Psychiatry Physician provider in New York, NY (NPI 1821295577).
Provider details
- NPI number
- 1821295577
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2240 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 64 | 12 |
| Quetiapine Fumarate | 33 | — |
| Duloxetine Hcl | 29 | — |
| Buprenorphine Hcl | 28 | — |
| Mirtazapine | 26 | — |
| Fluoxetine Hcl | 25 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-27
- Last updated
- 2015-01-20
Frequently asked questions
- What is Marianne Chai's NPI number?
- Marianne Chai's National Provider Identifier (NPI) is 1821295577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Chai's specialty?
- Marianne Chai is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marianne Chai located?
- Marianne Chai's practice location on file with NPPES is 226 E 52nd St, New York, NY 10022-6201.
- What is Marianne Chai's phone number?
- The practice phone number listed in the NPPES registry for Marianne Chai is (212) 712-8811.
- Does Marianne Chai accept Medicare?
- Marianne Chai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianne Chai's NPI active?
- Yes — Marianne Chai's NPI (1821295577) is active in the NPPES registry as of the last update on 2015-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.