Dr. Anthony Paul Siu, MD
- Medicare services, 2024
- 905
- Medicare patients, 2024
- 235
- Part D claims, 2024
- 5,592
- MIPS score, 2024
- 97
- Hospital affiliations
- 3
- Practice address
- 1301 Punchbowl St, Honolulu, HI 96813
- Practice phone
- Call (808) 538-9011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Siu's professional email, personal email and mobile number
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Dr. Anthony Paul Siu is an internist in Honolulu, Hawaii
Dr. Siu practices at The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.
Dr. Siu's NPI, 1629166368, was assigned on October 10, 2006. Dr. Siu graduated from University of Hawaii John A. Burns School of Medicine in 1991. Dr. Siu holds Hawaii license MD-8168.
- NPI
- 1629166368NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456305606
- NPI enumeration date
- October 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (808) 538-9011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anthony Paul Siu practices at The Queen's Medical Center in Honolulu, Hawaii
Dr. Siu's primary practice is The Queen's Medical Center, at 1301 Punchbowl St, Honolulu, HI 96813 in Honolulu County. The practice phone is (808) 538-9011.
- The Queen's Medical Center1301 Punchbowl St, Honolulu, HI 96813 · Honolulu CountyPhone(808) 538-9011
Source: Dmand AI Affiliation Data
Dr. Anthony Paul Siu is affiliated with 10 sites of care and 4 medical groups
Dr. Siu's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems. Dr. Siu is also affiliated with Kapiʻolani Medical Center for Women & Children. The medical group on file is The Queen's Medical Center. Dmand AI also links Dr. Siu to 1 more hospital, 4 group practices and clinics, 3 medical groups, 2 home health agencies and 1 hospice, 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. Anthony Paul Siu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siu practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Queen's Medical Center | Available with a free account |
| +9 more sites and 3 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 The Queen's Health Systems and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Anthony Paul Siu is one of 771 internists in Hawaii
Internal medicine is Dr. Siu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Siu is licensed in Hawaii.
Specialties and state licenses
- Internal medicine, HawaiiPrimary
Internists near Dr. Siu
Counts of internists 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. Anthony Paul Siu billed Medicare for 905 services in 2024
CMS data shows 905 Medicare services from Dr. Siu across 9 procedure codes in 2024, for 235 Medicare patients. Medicare paid $83,089 for them. Every service was in an office.
Dr. Siu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5162024: 58413%
- Other services
- 2023: 1122024: 244118%
- Tests and treatments
- 2023: 302024: 77157%
Dr. Siu compared with the Hawaii median for internists, 2024
- Dr. Siu
- Hawaii median
- Medicare services
- 905vs 3422.6 times
- Medicare patients
- 235vs 12884% above
- Part D claims
- 5,013vs 6707.5 times
Medians across 699 internists in Hawaii with Dmand AI profiles that report each measure.
Dr. Siu'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
Dr. Anthony Paul Siu treated 235 Medicare patients in 2024, average age 76
CMS counts 235 Medicare patients who saw Dr. Siu in 2024. The largest group is 65 to 74, with 95 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Siu's median patient age at 70, with 53% women.
Dr. Siu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Siu's Medicare patients by sex, 2024
- Women12955%
- Men10645%
Chronic conditions among Dr. Siu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes36%
- Chronic kidney disease30%
- Osteoporosis29%
- Arthritis28%
- Cancer19%
- Ischemic heart disease17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anthony Paul Siu wrote 5,592 Medicare Part D claims in 2024
In 2024, Dr. Siu wrote 5,592 Medicare Part D claims for 423 patients. 90% of them were for generic drugs. CMS names the drug for 5,013 of them, across 90 drugs with 11 or more claims each, at $504,130 in total drug cost. In 2023, CMS named 4,739 claims across 86 drugs.
Dr. Siu's Part D claims by kind of drug, 2024
- Generic5,029 claims90%
- Brand-name544 claims10%
- Other19 claims0%
Dr. Siu'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. Siu's Part D claims, 2024
- Opioids1%77 of 5,592 claims
- Antibiotics3%149 of 5,592 claims
- Antipsychotics, patients 65 and over0%22 of 5,592 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: 4,7392024: 5,0136%
Drugs named by CMS: 90 in 2024, 86 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
Dr. Anthony Paul Siu scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Siu for performance year 2024, reported through an alternative payment model (APM). Dr. Siu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Siu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Siu's MIPS scores, performance year 2024
- 97of 100Final score
- 89.8of 100Quality
- 100of 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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Dr. Anthony Paul Siu received $1,633 in industry payments from 2016 to 2022
CMS Open Payments shows 88 general payments to Dr. Siu from 19 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 98% of the total. AstraZeneca Pharmaceuticals LP paid the most, $275.
General payments to Dr. Siu by program year, 2016 to 2022
General payments to Dr. Siu by kind, 2016 to 2022
- Food and beverage$1,60198%
- Education$322%
Companies that paid Dr. Siu the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Anthony Paul Siu graduated from University of Hawaii John A. Burns School of Medicine
Dr. Siu graduated from University of Hawaii John A. Burns School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Anthony Paul Siu'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 Dr. Anthony Paul Siu
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. Anthony Paul Siu's NPI number?
Dr. Anthony Paul Siu's NPI number is 1629166368. It was assigned on October 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Anthony Paul Siu?
Dr. Anthony Paul Siu is an internist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Anthony Paul Siu practice?
Dr. Siu practices at 1301 Punchbowl St, Honolulu, HI 96813. Dr. Siu's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems. Dmand AI also links Dr. Siu to 1 hospital, 4 group practices and clinics, 3 medical groups, 2 home health agencies and 1 hospice.
What is Dr. Anthony Paul Siu's office phone number?
The practice phone on file for Dr. Siu is (808) 538-9011.
What is Dr. Anthony Paul Siu's medical license number?
Dr. Siu holds Hawaii license MD-8168.
Which hospitals is Dr. Anthony Paul Siu affiliated with?
Dr. Siu practices at The Queen's Medical Center in Honolulu, Hawaii. Dr. Siu is also affiliated with Kapiʻolani Medical Center for Women & Children. Dmand AI links Dr. Siu to 1 more hospital.
What medical group is Dr. Anthony Paul Siu part of?
Dr. Siu is linked to The Queen's Medical Center. Dmand AI links Dr. Siu to 3 more medical groups.
Does Dr. Anthony Paul Siu accept Medicare?
Yes. CMS data shows Dr. Siu billed Medicare for 905 services in 2024, and Dr. Siu accepts Medicare assignment.
Does Dr. Anthony Paul Siu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Siu as offering telehealth services.
What is Dr. Anthony Paul Siu's MIPS score?
Dr. Siu's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Anthony Paul Siu see?
CMS counts 235 Medicare patients who saw Dr. Siu in 2024, with an average age of 76.
What services does Dr. Anthony Paul Siu bill to Medicare?
In 2024, Dr. Siu's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Anthony Paul Siu go to medical school?
Dr. Siu graduated from University of Hawaii John A. Burns School of Medicine in 1991.
What drugs does Dr. Anthony Paul Siu prescribe most?
In 2024 Medicare Part D data, Dr. Siu's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Anthony Paul Siu received payments from drug or device companies?
CMS Open Payments shows $1,633 in general payments to Dr. Siu from 19 companies from 2016 to 2022. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Anthony Paul Siu been practicing?
Dr. Siu graduated from medical school in 1991, 35 years ago.
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