Dr. Weiwei Chi, MD

  • New York, NY
  • Rheumatologist
NPI1669714291PAC ID6204184336
Medicare services, 2024
245
Medicare patients, 2024
125
Part D claims, 2024
5,733
Hospital affiliations
2
Industry payments
$1,537
Practice address
One Gustave L Levy Place, New York, NY 10029
Practice phone
Call (212) 241-7981
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

The Mount Sinai Hospital

Hospital · New York, New York

See all 6 affiliations

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Dr. Weiwei Chi is a rheumatologist in New York, New York

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

Dr. Chi's NPI, 1669714291, was assigned on March 21, 2013. Dr. Chi graduated from Icahn School of Medicine at Mount Sinai in 2013. Dr. Chi holds New York license 277803.

NPI and contact details
Medicare PAC ID
6204184336
NPI enumeration date
March 21, 2013
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
39
Medical school graduation
2013

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

Dr. Weiwei Chi practices at 2 locations in New York, New York

Dr. Chi'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. Chi 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(212) 987-3100

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

Dr. Weiwei Chi is affiliated with 4 sites of care and 2 medical groups

Dr. Chi's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dr. Chi is also affiliated with Mount Sinai Beth Israel. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Chi to 1 more physician office, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Chi

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

Dmand AI tracks the EHR system at Dr. Weiwei Chi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chi practices, 4 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
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Weiwei Chi is one of 514 rheumatologists in New York

Rheumatology is Dr. Chi's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Chi is licensed in New York.

Specialties and state licenses

  • Rheumatology, New YorkPrimaryLicense 277803 · taxonomy 207RR0500X

Rheumatologists near Dr. Chi

Counts of rheumatologists 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. Weiwei Chi billed Medicare for 245 services in 2024

CMS data shows 245 Medicare services from Dr. Chi across 5 procedure codes in 2024, for 125 Medicare patients. Medicare paid $17,619 for them.

Medicare services, 2024245
Medicare patients125
Paid by Medicare$17,619
Procedure codes5

Dr. Chi's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2212024: 2231%
Other services
2023: 02024: 22

Where Dr. Chi's Medicare services took place, 2024

  • In an office4016%
  • In a facility20584%

Dr. Chi compared with the New York median for rheumatologists, 2024

  • Dr. Chi
  • New York median
Medicare services
245vs 56557% below
Medicare patients
125vs 17629% below
Part D claims
5,475vs 9215.9 times

Medians across 509 rheumatologists in New York with Dmand AI profiles that report each measure.

Dr. Chi's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chi

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Weiwei Chi treated 125 Medicare patients in 2024, average age 72

CMS counts 125 Medicare patients who saw Dr. Chi in 2024. The largest group is 75 to 84, with 47 patients. 75% of them have high blood pressure, and 72% have arthritis. 46% are also on Medicaid. Their average risk score is 1.84, 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. Chi's median patient age at 62, with 75% women.

Medicare patients, 2024125
Average age72
Average risk score1.84
Also on Medicaid46%

Dr. Chi's Medicare patients by age, 2024

Dr. Chi's Medicare patients by sex, 2024

  • Women9576%
  • Men3024%

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

  1. High blood pressure75%
  2. Arthritis72%
  3. High cholesterol70%
  4. Diabetes37%
  5. Ischemic heart disease35%
  6. Osteoporosis34%
  7. Mood disorders28%
  8. Asthma26%

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

Dr. Chi's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women75%
  • Men23%

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

Dr. Weiwei Chi wrote 5,733 Medicare Part D claims in 2024

In 2024, Dr. Chi wrote 5,733 Medicare Part D claims for 589 patients. 84% of them were for generic drugs. CMS names the drug for 5,475 of them, across 59 drugs with 11 or more claims each, at $2,049,118 in total drug cost. In 2023, CMS named 4,423 claims across 55 drugs.

Part D claims, 20245,733
Drugs named by CMS59
Total drug cost$2M
Part D patients589

Dr. Chi's Part D claims by kind of drug, 2024

  • Generic4,820 claims84%
  • Brand-name and other913 claims16%

Dr. Chi's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Chi's Part D claims, 2024

  • Opioids1%50 of 5,733 claims
  • Antibiotics0%26 of 5,733 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4,4232024: 5,47524%

Drugs named by CMS: 59 in 2024, 55 in 2023.

See all prescribing by Dr. Chi

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Weiwei Chi offers telehealth to Medicare patients

CMS lists Dr. Chi as offering telehealth.

Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Weiwei Chi received $1,537 in industry payments from 2020 to 2025

CMS Open Payments shows 68 general payments to Dr. Chi from 11 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 92% of the total. Amgen Inc. paid the most, $513.

General payments to Dr. Chi by program year, 2020 to 2025

General payments to Dr. Chi by kind, 2020 to 2025

$1.5Kin total
  • Food and beverage$1,40892%
  • Education$1288%

Companies that paid Dr. Chi the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chi

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

Dr. Weiwei Chi graduated from Icahn School of Medicine at Mount Sinai

Dr. Chi graduated from Icahn School of Medicine at Mount Sinai in 2013.

  1. Medical schoolIcahn School of Medicine at Mount Sinai

Source: Dmand AI Professional Profile Data

Sources for Dr. Weiwei Chi'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)
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. Weiwei Chi

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. Weiwei Chi's NPI number?

Dr. Weiwei Chi's NPI number is 1669714291. It was assigned on March 21, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Weiwei Chi?

Dr. Weiwei Chi is a rheumatologist in New York, New York. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Weiwei Chi practice?

Dr. Chi practices at One Gustave L Levy Place, New York, NY 10029. Dr. Chi also practices at 1 Gustave L Levy Pl, New York, NY 10029. Dr. Chi's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Chi to 1 physician office, 1 group practice or clinic and 1 medical group.

What is Dr. Weiwei Chi's office phone number?

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

What is Dr. Weiwei Chi's medical license number?

Dr. Chi holds New York license 277803.

Which hospitals is Dr. Weiwei Chi affiliated with?

Dr. Chi practices at The Mount Sinai Hospital in New York, New York. Dr. Chi is also affiliated with Mount Sinai Beth Israel.

What medical group is Dr. Weiwei Chi part of?

Dr. Chi is linked to Mount Sinai Institute for Liver Medicine. Dmand AI links Dr. Chi to 1 more medical group.

Does Dr. Weiwei Chi accept Medicare?

Yes. CMS data shows Dr. Chi billed Medicare for 245 services in 2024.

Does Dr. Weiwei Chi offer telehealth?

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

How many Medicare patients does Dr. Weiwei Chi see?

CMS counts 125 Medicare patients who saw Dr. Chi in 2024, with an average age of 72.

Show 5 more questionsShow fewer questions

What services does Dr. Weiwei Chi bill to Medicare?

In 2024, Dr. Chi's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G2211).

Where did Dr. Weiwei Chi go to medical school?

Dr. Chi graduated from Icahn School of Medicine at Mount Sinai in 2013.

What drugs does Dr. Weiwei Chi prescribe most?

In 2024 Medicare Part D data, Dr. Chi's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Methotrexate and Prednisone.

Has Dr. Weiwei Chi received payments from drug or device companies?

CMS Open Payments shows $1,537 in general payments to Dr. Chi from 11 companies from 2020 to 2025. The largest total came from Amgen Inc.

How long has Dr. Weiwei Chi been practicing?

Dr. Chi graduated from medical school in 2013, 13 years ago.

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