Tommy Chau
- Medicare services, 2024
- 834
- Medicare patients, 2024
- 235
- Part D claims, 2024
- 198
- MIPS score, 2024
- 93
- Hospital affiliations
- 2
- Practice address
- 888 Old Country Road, Plainview, NY 11803
- Practice phone
- Call (516) 719-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Tommy Chau's professional email, personal email and mobile number
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Tommy Chau is a hospitalist in Plainview, New York
Tommy Chau practices at Plainview Hospital in Plainview, New York, part of Northwell Health.
Tommy Chau's NPI, 1780876979, was assigned on August 13, 2007. Tommy Chau graduated from New York Medical College in 2004. Tommy Chau holds New York license 245479.
- NPI
- 1780876979NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800977299
- NPI enumeration date
- August 13, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 719-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tommy Chau practices at Plainview Hospital in Plainview, New York
Tommy Chau's primary practice is Plainview Hospital, at 888 Old Country Road, Plainview, NY 11803 in Nassau County. The practice phone is (516) 719-3000.
- Plainview Hospital888 Old Country Road, Plainview, NY 11803 · Nassau CountyPhone(516) 719-3000
Source: Dmand AI Affiliation Data
Tommy Chau is affiliated with 2 sites of care and 2 medical groups
Tommy Chau's primary practice is Plainview Hospital in Plainview, New York, part of Northwell Health. Tommy Chau is also affiliated with Mather Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Tommy Chau to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tommy Chau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tommy Chau practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Plainview Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Tommy Chau is one of 1,796 hospitalists in New York
Hospitalist is Tommy Chau's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Tommy Chau is licensed in New York.
Specialties and state licenses
- Hospitalist, New YorkPrimary
Hospitalists near Tommy Chau
Counts of hospitalists 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
Tommy Chau billed Medicare for 834 services in 2024
CMS data shows 834 Medicare services from Tommy Chau across 3 procedure codes in 2024, for 235 Medicare patients. Medicare paid $70,798 for them. Every service was in a facility, such as a hospital, rather than an office.
Tommy Chau's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9362024: 83411%
Tommy Chau compared with the New York median for hospitalists, 2024
- Tommy Chau
- New York median
- Medicare services
- 834vs 3882.1 times
- Medicare patients
- 235vs 16344% above
- Part D claims
- 12vs 5578% below
Medians across 1,696 hospitalists in New York with Dmand AI profiles that report each measure.
Tommy Chau'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Tommy Chau treated 235 Medicare patients in 2024, average age 79
CMS counts 235 Medicare patients who saw Tommy Chau in 2024. The largest group is 85 and over, with 83 patients. 75% of them have arthritis, and 75% have high blood pressure. 29% are also on Medicaid. Their average risk score is 2.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Tommy Chau's median patient age at 78, with 56% women.
Tommy Chau's Medicare patients by age, 2024
Tommy Chau's Medicare patients by sex, 2024
- Women12453%
- Men11147%
Chronic conditions among Tommy Chau's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease67%
- Chronic kidney disease57%
- Diabetes55%
- Heart failure49%
- Mood disorders46%
Share of Medicare patients with each condition. A patient can have several.
Tommy Chau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tommy Chau wrote 198 Medicare Part D claims in 2024
In 2024, Tommy Chau wrote 198 Medicare Part D claims for 93 patients. 93% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $435 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Tommy Chau's Part D claims by kind of drug, 2024
- Generic184 claims93%
- Brand-name14 claims7%
Tommy Chau'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 Tommy Chau's Part D claims, 2024
- Opioids8%15 of 198 claims
- Antibiotics27%54 of 198 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: 112024: 129%
Drugs named by CMS: 1 in 2024, 1 in 2023.
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
Tommy Chau scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Tommy Chau for performance year 2024, reported through an alternative payment model (APM). Tommy Chau accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Tommy Chau's MIPS scores, performance year 2024
- 93of 100Final score
- 79.8of 100Quality
- 89of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Tommy Chau received $21 in industry payments in 2020
CMS Open Payments shows 1 general payment to Tommy Chau from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $21.
Companies that paid Tommy Chau the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Tommy Chau graduated from New York Medical College
Tommy Chau graduated from New York Medical College in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Tommy Chau'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) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Tommy Chau
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tommy Chau's NPI number?
Tommy Chau's NPI number is 1780876979. It was assigned on August 13, 2007, and it is active in the NPI Registry.
What does Tommy Chau specialize in?
Tommy Chau is a hospitalist in Plainview, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Tommy Chau practice?
Tommy Chau practices at 888 Old Country Road, Plainview, NY 11803. Tommy Chau's primary practice is Plainview Hospital in Plainview, New York, part of Northwell Health. Dmand AI also links Tommy Chau to 1 medical group.
What is Tommy Chau's office phone number?
The practice phone on file for Tommy Chau is (516) 719-3000.
What is Tommy Chau's medical license number?
Tommy Chau holds New York license 245479.
Which hospitals is Tommy Chau affiliated with?
Tommy Chau practices at Plainview Hospital in Plainview, New York. Tommy Chau is also affiliated with Mather Hospital.
What medical group is Tommy Chau part of?
Tommy Chau is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Tommy Chau to 1 more medical group.
Does Tommy Chau accept Medicare?
Yes. CMS data shows Tommy Chau billed Medicare for 834 services in 2024, and Tommy Chau accepts Medicare assignment.
What is Tommy Chau's MIPS score?
Tommy Chau's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Tommy Chau see?
CMS counts 235 Medicare patients who saw Tommy Chau in 2024, with an average age of 79.
Show 5 more questionsShow fewer questions
What services does Tommy Chau bill to Medicare?
In 2024, Tommy Chau's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Tommy Chau go to medical school?
Tommy Chau graduated from New York Medical College in 2004.
What drugs does Tommy Chau prescribe most?
In 2024 Medicare Part D data, Tommy Chau's most prescribed drugs by claims were Cefpodoxime Proxetil.
Has Tommy Chau received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Tommy Chau from 1 company from 2020 to 2020. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Tommy Chau been practicing?
Tommy Chau graduated from medical school in 2004, 22 years ago.
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