Dr. John W. Liang, MD
- Medicare services, 2024
- 655
- Medicare patients, 2024
- 262
- Hospital affiliations
- 5
- Industry payments
- $358
- Medical groups
- 5
- Practice address
- 1000 Tenth Avenue, New York, NY 10019
- Practice phone
- Call (212) 523-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Liang'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.
Dr. John W. Liang is a neurocritical care physician in New York, New York
Dr. Liang practices at Mount Sinai West in New York, New York, part of Mount Sinai Health System.
Dr. Liang's NPI, 1720387764, was assigned on March 16, 2011. Dr. Liang holds New York license NCC5503.
- NPI
- 1720387764NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335427400
- NPI enumeration date
- March 16, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 523-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John W. Liang practices at Mount Sinai West in New York, New York
Dr. Liang's primary practice is Mount Sinai West, at 1000 Tenth Avenue, New York, NY 10019 in New York County. The practice phone is (212) 523-4000.
- Mount Sinai West1000 Tenth Avenue, New York, NY 10019 · New York CountyPhone(212) 523-4000
Source: Dmand AI Affiliation Data
Dr. John W. Liang is affiliated with 6 sites of care and 5 medical groups
Dr. Liang's primary practice is Mount Sinai West in New York, New York, part of Mount Sinai Health System. Dr. Liang is also affiliated with Christiana Hospital. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Liang to 3 more hospitals, 4 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John W. Liang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liang practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Sinai West | Available with a free account |
| +5 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mount Sinai Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John W. Liang is one of 45 neurocritical care physicians in New York
Neurocritical care is Dr. Liang's primary specialty in the NPI Registry, under taxonomy code 2084A2900X. Dr. Liang is licensed in New York.
Specialties and state licenses
- Neurocritical care, New YorkPrimary
Neurocritical care physicians near Dr. Liang
Counts of neurocritical care physicians 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. John W. Liang billed Medicare for 655 services in 2024
CMS data shows 655 Medicare services from Dr. Liang across 5 procedure codes in 2024, for 262 Medicare patients. Medicare paid $66,576 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Liang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7102024: 6558%
- Other services
- 2023: 752024: 0100%
Dr. Liang compared with the New York median for neurocritical care physicians, 2024
- Dr. Liang
- New York median
- Medicare services
- 655vs 2652.5 times
- Medicare patients
- 262vs 922.8 times
Medians across 44 neurocritical care physicians in New York with Dmand AI profiles that report each measure.
Dr. Liang'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.
Need commercial claims for Dr. Liang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Liang and other neurocritical care physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. Liang treated 262 Medicare patients in 2024, average age 76
CMS counts 262 Medicare patients who saw Dr. Liang in 2024. The largest group is 75 to 84, with 94 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.95, 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. Liang's median patient age at 63, with 46% women.
Dr. Liang's Medicare patients by age, 2024
Dr. Liang's Medicare patients by sex, 2024
- Women12849%
- Men13451%
Chronic conditions among Dr. Liang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA75%
- Arthritis54%
- Mood disorders47%
- Diabetes44%
- Depression43%
- Ischemic heart disease42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Liang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women46%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John W. Liang offers telehealth to Medicare patients
Dr. Liang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Liang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John W. Liang received $358 in industry payments from 2016 to 2021
CMS Open Payments shows 8 general payments to Dr. Liang from 7 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $130. It also lists 11 research payments totaling $1,354 in 2018.
General payments to Dr. Liang by program year, 2016 to 2021
Companies that paid Dr. Liang the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John W. Liang'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 Dr. John W. Liang
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. John W. Liang's NPI number?
Dr. John W. Liang's NPI number is 1720387764. It was assigned on March 16, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. Liang?
Dr. John W. Liang is a neurocritical care physician in New York, New York. The primary specialty in the NPI Registry is Neurocritical Care Physician (taxonomy code 2084A2900X).
Where does Dr. John W. Liang practice?
Dr. Liang practices at 1000 Tenth Avenue, New York, NY 10019. Dr. Liang's primary practice is Mount Sinai West in New York, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Liang to 3 hospitals, 4 medical groups and 1 group practice or clinic.
What is Dr. John W. Liang's office phone number?
The practice phone on file for Dr. Liang is (212) 523-4000.
What is Dr. John W. Liang's medical license number?
Dr. Liang holds New York license NCC5503.
Which hospitals is Dr. John W. Liang affiliated with?
Dr. Liang practices at Mount Sinai West in New York, New York. Dr. Liang is also affiliated with Christiana Hospital. Dmand AI links Dr. Liang to 3 more hospitals.
What medical group is Dr. John W. Liang part of?
Dr. Liang is linked to Mount Sinai Institute for Liver Medicine. Dmand AI links Dr. Liang to 4 more medical groups.
Does Dr. John W. Liang accept Medicare?
Yes. CMS data shows Dr. Liang billed Medicare for 655 services in 2024, and Dr. Liang accepts Medicare assignment.
Does Dr. John W. Liang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Liang as offering telehealth services.
How many Medicare patients does Dr. John W. Liang see?
CMS counts 262 Medicare patients who saw Dr. Liang in 2024, with an average age of 76.
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What services does Dr. John W. Liang bill to Medicare?
In 2024, Dr. Liang's most billed Medicare services were hospital inpatient care (99232), critical care (99291) and hospital inpatient care (99238).
Has Dr. John W. Liang received payments from drug or device companies?
CMS Open Payments shows $358 in general payments to Dr. Liang from 7 companies from 2016 to 2021. The largest total came from Genentech, Inc.
How long has Dr. John W. Liang been practicing?
Dr. Liang graduated from medical school in 2011, 15 years ago.
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