Dr. Johnson M. Liu, MD

  • New York, NY
  • Hematologist and oncologist
NPI1861552903PAC ID8325175714
Medicare services, 2024
420
Medicare patients, 2024
233
Part D claims, 2024
166
Hospital affiliations
2
Industry payments
$30,437
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. Johnson M. Liu is a hematologist and oncologist in New York, New York

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

Dr. Liu's NPI, 1861552903, was assigned on December 11, 2006. Dr. Liu graduated from University Of Michigan Medical School in 1986. Dr. Liu holds New York license 226107.

NPI and contact details
Medicare PAC ID
8325175714
NPI enumeration date
December 11, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(212) 241-7981
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
66
Medical school graduation
1986

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

Dr. Johnson M. Liu practices at 2 locations in New York, New York

Dr. Liu'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. Liu 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) 256-2904

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

Dr. Johnson M. Liu is affiliated with 4 sites of care and 2 medical groups

Dr. Liu's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dr. Liu is also affiliated with Mount Sinai Beth Israel. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Liu to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Liu

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

Dmand AI tracks the EHR system at Dr. Johnson M. Liu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu 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

For health IT teams

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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. Johnson M. Liu is one of 996 hematologists and oncologists in New York

Hematology and oncology is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Liu is licensed in New York.

Specialties and state licenses

  • Hematology and oncology, New YorkPrimaryLicense 226107 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Liu

Counts of hematologists and oncologists 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. Johnson M. Liu billed Medicare for 420 services in 2024

CMS data shows 420 Medicare services from Dr. Liu across 5 procedure codes in 2024, for 233 Medicare patients. Medicare paid $29,748 for them.

Medicare services, 2024420
Medicare patients233
Paid by Medicare$29,748
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 2702024: 42056%

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

  • In an office7618%
  • In a facility34482%

Dr. Liu compared with the New York median for hematologists and oncologists, 2024

  • Dr. Liu
  • New York median
Medicare services
420vs 66837% below
Medicare patients
233vs 21011% above
Part D claims
108vs 25858% below

Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.

Dr. Liu'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. Liu

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

Dr. Johnson M. Liu treated 233 Medicare patients in 2024, average age 72

CMS counts 233 Medicare patients who saw Dr. Liu in 2024. The largest group is 75 to 84, with 80 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 2.49, 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. Liu's median patient age at 56, with 60% women.

Medicare patients, 2024233
Average age72
Average risk score2.49
Also on Medicaid37%

Dr. Liu's Medicare patients by age, 2024

Dr. Liu's Medicare patients by sex, 2024

  • Women12554%
  • Men10846%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis45%
  4. Chronic kidney disease45%
  5. Diabetes42%
  6. Ischemic heart disease40%
  7. Mood disorders33%
  8. Heart failure31%

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

Dr. Liu's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women60%
  • Men38%

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

Dr. Johnson M. Liu wrote 166 Medicare Part D claims in 2024

In 2024, Dr. Liu wrote 166 Medicare Part D claims for 36 patients. CMS names the drug for 108 of them, across 1 drug with 11 or more claims each, at $77,550 in total drug cost. In 2023, CMS named 23 claims across 1 drug.

Part D claims, 2024166
Drugs named by CMS1
Total drug cost$77,550
Part D patients36

Dr. Liu'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 232024: 108370%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Liu

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

How Dr. Johnson M. Liu takes part in Medicare

Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Johnson M. Liu received $30,437 in industry payments from 2016 to 2025

CMS Open Payments shows 29 general payments to Dr. Liu from 5 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 38% of the total. Pharmacosmos Therapeutics Inc. paid the most, $15,125. It also lists 3 research payments totaling $19,110 from 2016 to 2017.

General payments to Dr. Liu by program year, 2016 to 2025

General payments to Dr. Liu by kind, 2016 to 2025

$30.4Kin total
  • Honoraria$11,51438%
  • Travel and lodging$11,35637%
  • Consulting fees$6,47421%
  • Food and beverage$1,0934%

Companies that paid Dr. Liu the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Liu

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

Dr. Johnson M. Liu graduated from University Of Michigan Medical School

Dr. Liu graduated from University Of Michigan Medical School in 1986.

  1. Medical schoolUniversity Of Michigan Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Johnson M. Liu'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. Johnson M. Liu

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. Johnson M. Liu's NPI number?

Dr. Johnson M. Liu's NPI number is 1861552903. It was assigned on December 11, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Johnson M. Liu?

Dr. Johnson M. Liu is a hematologist and oncologist in New York, New York. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Johnson M. Liu practice?

Dr. Liu practices at One Gustave L Levy Place, New York, NY 10029. Dr. Liu also practices at 1 Gustave L Levy Pl, New York, NY 10029. Dr. Liu's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Liu to 2 group practices and clinics and 1 medical group.

What is Dr. Johnson M. Liu's office phone number?

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

What is Dr. Johnson M. Liu's medical license number?

Dr. Liu holds New York license 226107.

Which hospitals is Dr. Johnson M. Liu affiliated with?

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

What medical group is Dr. Johnson M. Liu part of?

Dr. Liu is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Liu to 1 more medical group.

Does Dr. Johnson M. Liu accept Medicare?

Yes. CMS data shows Dr. Liu billed Medicare for 420 services in 2024, and Dr. Liu accepts Medicare assignment.

How many Medicare patients does Dr. Johnson M. Liu see?

CMS counts 233 Medicare patients who saw Dr. Liu in 2024, with an average age of 72.

What services does Dr. Johnson M. Liu bill to Medicare?

In 2024, Dr. Liu's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and hospital inpatient care (99222).

Show 4 more questionsShow fewer questions

Where did Dr. Johnson M. Liu go to medical school?

Dr. Liu graduated from University Of Michigan Medical School in 1986.

What drugs does Dr. Johnson M. Liu prescribe most?

In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Eliquis.

Has Dr. Johnson M. Liu received payments from drug or device companies?

CMS Open Payments shows $30,437 in general payments to Dr. Liu from 5 companies from 2016 to 2025. The largest total came from Pharmacosmos Therapeutics Inc.

How long has Dr. Johnson M. Liu been practicing?

Dr. Liu graduated from medical school in 1986, 40 years ago.

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