Bethany Siu, PA-C
- Medicare patients, 2024
- 296
- Part D claims, 2024
- 700
- MIPS score, 2024
- 91
- Hospital affiliations
- 1
- Industry payments
- $161
- Practice address
- 13350 Franklin Farm Road -Suite 100, Herndon, VA 20171
- Practice phone
- Call (804) 939-6664
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Herndon Surgery Center
Surgery Center - Not Medicare-Certified · Herndon, Virginia
Find Bethany Siu'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.
Bethany Siu is a physician assistant in Herndon, Virginia
Bethany Siu practices at Herndon Surgery Center in Herndon, Virginia.
Bethany Siu's NPI, 1811411655, was assigned on August 2, 2017. Bethany Siu holds Virginia license 0110005860.
- NPI
- 1811411655NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032483623
- NPI enumeration date
- August 2, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (804) 939-6664
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Bethany Siu practices at Herndon Surgery Center in Herndon, Virginia
Bethany Siu's primary practice is Herndon Surgery Center, at 13350 Franklin Farm Road -Suite 100, Herndon, VA 20171. The practice phone is (804) 939-6664.
- Herndon Surgery Center13350 Franklin Farm Road -Suite 100, Herndon, VA 20171Phone(804) 939-6664
Source: Dmand AI Affiliation Data
Bethany Siu is affiliated with 5 sites of care and 2 medical groups
Bethany Siu's primary practice is Herndon Surgery Center in Herndon, Virginia. Bethany Siu is also affiliated with VHC Health. The medical group on file is OrthoVirginia. Dmand AI also links Bethany Siu to 2 more group practices and clinics, 1 skilled nursing facility and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Bethany Siu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Bethany Siu practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Herndon Surgery Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Bethany Siu is one of 3,636 physician assistants in Virginia
Physician assistant is Bethany Siu's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Bethany Siu is licensed in Virginia.
Specialties and state licenses
- Physician assistant, VirginiaPrimary
Physician assistants near Bethany Siu
Counts of physician assistants 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
Bethany Siu treated 296 Medicare patients in 2024, average age 76
CMS counts 296 Medicare patients who saw Bethany Siu in 2024. The largest group is 75 to 84, with 143 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Bethany Siu's median patient age at 62, with 61% women.
Bethany Siu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Bethany Siu's Medicare patients by sex, 2024
- Women19165%
- Men10535%
Chronic conditions among Bethany Siu's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure68%
- Mood disorders24%
- Depression23%
- Ischemic heart disease23%
- Anxiety22%
- Diabetes19%
Share of Medicare patients with each condition. A patient can have several.
Bethany 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 62
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Bethany Siu wrote 700 Medicare Part D claims in 2024
In 2024, Bethany Siu wrote 700 Medicare Part D claims for 319 patients. 99% of them were for generic drugs.
Bethany Siu's Part D claims by kind of drug, 2024
- Generic692 claims99%
- Brand-name and other8 claims1%
Drug classes CMS tracks in Bethany Siu's Part D claims, 2024
- Opioids24%171 of 700 claims
- Antibiotics18%126 of 700 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Bethany Siu scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Bethany Siu for performance year 2024, reported as part of a group. Bethany Siu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Bethany Siu's MIPS scores, performance year 2024
- 91of 100Final score
- 90.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 79of 100Cost
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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Bethany Siu received $161 in industry payments in 2025
CMS Open Payments shows 2 general payments to Bethany Siu from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $149.
Companies that paid Bethany Siu the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Bethany 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 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 (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) |
| 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 Bethany 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 Bethany Siu's NPI number?
Bethany Siu's NPI number is 1811411655. It was assigned on August 2, 2017, and it is active in the NPI Registry.
What does Bethany Siu specialize in?
Bethany Siu is a physician assistant in Herndon, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Bethany Siu practice?
Bethany Siu practices at 13350 Franklin Farm Road -Suite 100, Herndon, VA 20171. Bethany Siu's primary practice is Herndon Surgery Center in Herndon, Virginia. Dmand AI also links Bethany Siu to 2 group practices and clinics, 1 skilled nursing facility and 1 medical group.
What is Bethany Siu's office phone number?
The practice phone on file for Bethany Siu is (804) 939-6664.
What is Bethany Siu's medical license number?
Bethany Siu holds Virginia license 0110005860.
Which hospitals is Bethany Siu affiliated with?
Bethany Siu is affiliated with VHC Health.
What medical group is Bethany Siu part of?
Bethany Siu is linked to OrthoVirginia. Dmand AI links Bethany Siu to 1 more medical group.
Does Bethany Siu accept Medicare?
Yes. CMS lists Bethany Siu as accepting Medicare assignment.
What is Bethany Siu's MIPS score?
Bethany Siu's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Bethany Siu see?
CMS counts 296 Medicare patients who saw Bethany Siu in 2024, with an average age of 76.
Has Bethany Siu received payments from drug or device companies?
CMS Open Payments shows $161 in general payments to Bethany Siu from 2 companies from 2025 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Bethany Siu been practicing?
Bethany Siu graduated from medical school in 2017, 9 years ago.
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