Dr. Lillian Chen Chen, MD

  • New York, NY
  • OB-GYN
NPI1265060321PAC ID8325587793
Medicare patients, 2024
17
Hospital affiliations
2
Industry payments
$29
Medical group
1
State license
1
Practice address
One Gustave L Levy Place, New York, NY 10029
Practice phone
Call (212) 241-7981
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

The Mount Sinai Hospital

Hospital · New York, New York

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Dr. Lillian Chen Chen is an OB-GYN in New York, New York

Dr. Chen practices at The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System.

Dr. Chen's NPI, 1265060321, was assigned on April 1, 2020. Dr. Chen graduated from Columbia University College of Physicians and Surgeons in 2020. Dr. Chen holds Maryland license D0099968.

NPI and contact details
Medicare PAC ID
8325587793
NPI enumeration date
April 1, 2020
NPI status
Active
Offers telehealth
Yes
Practice phone
(212) 241-7981
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Lillian Chen Chen practices at 2 locations in New York, New York

Dr. Chen's primary practice is The Mount Sinai Hospital, at One Gustave L Levy Place, New York, NY 10029 in New York County. The practice phone is (212) 241-7981. Dr. Chen also practices at The Mount Sinai Hospital, 1 Gustave L Levy Pl, New York, NY 10029.

  • The Mount Sinai HospitalPrimary
    One Gustave L Levy Place, New York, NY 10029 · New York CountyPhone(212) 241-7981
  • The Mount Sinai Hospital
    1 Gustave L Levy Pl, New York, NY 10029 · New York CountyPhone(800) 637-4624

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Lillian Chen Chen is affiliated with 2 sites of care and 1 medical group

Dr. Chen's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dr. Chen is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Lillian Chen Chen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Mount Sinai HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Chen practices

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Dr. Lillian Chen Chen is one of 2,664 OB-GYNs in New York

Obstetrics and gynecology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Chen is licensed in Maryland.

Specialties and state licenses

  • Obstetrics and gynecology, MarylandPrimaryLicense D0099968 · taxonomy 207V00000X

OB-GYNs near Dr. Chen

Counts of OB-GYNs 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

Dr. Lillian Chen Chen treated 17 Medicare patients in 2024, average age 59

CMS counts 17 Medicare patients who saw Dr. Chen in 2024. The largest group is 75 to 84, with 0 patients. 71% of them have arthritis, and 65% have high cholesterol. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 38, with 100% women.

Medicare patients, 202417
Average age59
Average risk score1.54

Dr. Chen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Chen's Medicare patients, 2024

  1. Arthritis71%
  2. High cholesterol65%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 38

Patient panel by sex, all payers

  • Women100%
  • Men0%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Lillian Chen Chen offers telehealth to Medicare patients

CMS lists Dr. Chen as offering telehealth.

Offers telehealth
Yes

Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

Dr. Lillian Chen Chen received $29 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Chen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $29.

Companies that paid Dr. Chen the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Lillian Chen Chen graduated from Columbia University College of Physicians and Surgeons

Dr. Chen graduated from Columbia University College of Physicians and Surgeons in 2020.

  1. Medical schoolColumbia University College of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Sources for Dr. Lillian Chen Chen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Lillian Chen Chen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Lillian Chen Chen's NPI number?

Dr. Lillian Chen Chen's NPI number is 1265060321. It was assigned on April 1, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. Lillian Chen Chen?

Dr. Lillian Chen Chen is an OB-GYN in New York, New York. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Lillian Chen Chen practice?

Dr. Chen practices at One Gustave L Levy Place, New York, NY 10029. Dr. Chen also practices at 1 Gustave L Levy Pl, New York, NY 10029. Dr. Chen's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System.

What is Dr. Lillian Chen Chen's office phone number?

The practice phone on file for Dr. Chen is (212) 241-7981.

What is Dr. Lillian Chen Chen's medical license number?

Dr. Chen holds Maryland license D0099968.

Which hospitals is Dr. Lillian Chen Chen affiliated with?

Dr. Chen practices at The Mount Sinai Hospital in New York, New York. Dr. Chen is also affiliated with The Johns Hopkins Hospital.

What medical group is Dr. Lillian Chen Chen part of?

Dr. Chen is linked to Johns Hopkins University.

Does Dr. Lillian Chen Chen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.

How many Medicare patients does Dr. Lillian Chen Chen see?

CMS counts 17 Medicare patients who saw Dr. Chen in 2024, with an average age of 59.

Where did Dr. Lillian Chen Chen go to medical school?

Dr. Chen graduated from Columbia University College of Physicians and Surgeons in 2020.

Has Dr. Lillian Chen Chen received payments from drug or device companies?

CMS Open Payments shows $29 in general payments to Dr. Chen from 1 company from 2025 to 2025. The largest total came from Ethicon Inc.

How long has Dr. Lillian Chen Chen been practicing?

Dr. Chen graduated from medical school in 2020, 6 years ago.

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