Ellen Chai
- Hospital affiliations
- 1
- Industry payments
- $433
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 1425 Madison Ave, New York, NY 10029
- Practice phone
- Call (212) 659-9517
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mount Sinai Doctors - Behavioral Health
New York, New York
Find Ellen Chai's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Ellen Chai is a physician assistant in New York, New York
Ellen Chai practices at Mount Sinai Doctors - Behavioral Health in New York, New York.
Ellen Chai's NPI, 1205569647, was assigned on July 4, 2022. Ellen Chai holds New York license 032352.
- NPI
- 1205569647NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547700163
- NPI enumeration date
- July 4, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 659-9517
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Ellen Chai practices at Mount Sinai Doctors - Behavioral Health in New York, New York
Ellen Chai's primary practice is Mount Sinai Doctors - Behavioral Health, at 1425 Madison Ave, New York, NY 10029 in New York County. The practice phone is (212) 659-9517.
- Mount Sinai Doctors - Behavioral Health1425 Madison Ave, New York, NY 10029 · New York CountyPhone(212) 659-9517
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ellen Chai is affiliated with 3 sites of care and 1 medical group
Ellen Chai's primary practice is Mount Sinai Doctors - Behavioral Health in New York, New York. Ellen Chai is also affiliated with The Mount Sinai Hospital. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Ellen Chai to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ellen Chai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ellen Chai practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Sinai Doctors - Behavioral Health | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Ellen Chai is one of 11,456 physician assistants in New York
Physician assistant is Ellen Chai's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ellen Chai is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Ellen Chai
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Ellen Chai's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Ellen Chai's median patient age at 65, with 0% women.
Ellen Chai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women0%
- Men96%
Source: Dmand AI Patient Panel Data
Ellen Chai offers telehealth to Medicare patients
Ellen Chai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Ellen Chai as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Ellen Chai received $433 in industry payments in 2025
CMS Open Payments shows 8 general payments to Ellen Chai from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $278.
Companies that paid Ellen Chai the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Ellen Chai's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Ellen Chai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ellen Chai's NPI number?
Ellen Chai's NPI number is 1205569647. It was assigned on July 4, 2022, and it is active in the NPI Registry.
What does Ellen Chai specialize in?
Ellen Chai is a physician assistant in New York, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ellen Chai practice?
Ellen Chai practices at 1425 Madison Ave, New York, NY 10029. Ellen Chai's primary practice is Mount Sinai Doctors - Behavioral Health in New York, New York. Dmand AI also links Ellen Chai to 1 group practice or clinic.
What is Ellen Chai's office phone number?
The practice phone on file for Ellen Chai is (212) 659-9517.
What is Ellen Chai's medical license number?
Ellen Chai holds New York license 032352.
Which hospitals is Ellen Chai affiliated with?
Ellen Chai is affiliated with The Mount Sinai Hospital.
What medical group is Ellen Chai part of?
Ellen Chai is linked to Mount Sinai Institute for Liver Medicine.
Does Ellen Chai accept Medicare?
Yes. CMS lists Ellen Chai as accepting Medicare assignment.
Does Ellen Chai offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Ellen Chai as offering telehealth services.
Has Ellen Chai received payments from drug or device companies?
CMS Open Payments shows $433 in general payments to Ellen Chai from 6 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Ellen Chai been practicing?
Ellen Chai graduated from medical school in 2024, 2 years ago.
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