Dr. Isaac Siew, MD
- Medicare services, 2021
- 19
- Part D claims, 2017
- 87
- Industry payments
- $17
- Medical groups
- 2
- Insurance carriers
- 16
- Practice address
- 3530 S Soncy Rd, Amarillo, TX 79119
- Practice phone
- Call (806) 340-0608
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ER On Soncy
Amarillo, Texas
Find Dr. Siew'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. Isaac Siew is an emergency medicine physician in Amarillo, Texas
Dr. Siew practices at ER On Soncy in Amarillo, Texas.
Dr. Siew's NPI, 1124260732, was assigned on March 27, 2009. Dr. Siew graduated from University Of Washington School Of Medicine in 2009. Dr. Siew holds Texas license Q0364.
- NPI
- 1124260732NPI Registry (opens in a new tab)
- NPI enumeration date
- March 27, 2009
- NPI status
- Active
- Practice phone
- (806) 340-0608
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Isaac Siew practices at ER on Soncy in Amarillo, Texas
Dr. Siew's primary practice is ER on Soncy, at 3530 S Soncy Rd, Amarillo, TX 79119 in Randall County. The practice phone is (806) 340-0608.
- ER on Soncy3530 S Soncy Rd, Amarillo, TX 79119 · Randall CountyPhone(806) 340-0608
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Isaac Siew is affiliated with 1 site of care and 2 medical groups
Dr. Siew's primary practice is ER On Soncy in Amarillo, Texas. The medical group on file is ACS Primary Care Physicians Southwest, PA. Dmand AI also links Dr. Siew to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Isaac Siew's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siew practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ER On Soncy | Available with a free account |
| +1 medical group | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Isaac Siew is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Dr. Siew's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Siew is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Siew's licenses on file in 2 states: Texas and New York.
Specialties and state licenses
- Emergency medicine, TexasPrimary
- New York license
Emergency medicine physicians near Dr. Siew
Counts of emergency medicine 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. Isaac Siew billed Medicare for 19 services in 2021
CMS data shows 19 Medicare services from Dr. Siew across 1 procedure code in 2021. Medicare paid $2,887 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Siew's Medicare services by type, 2019 to 2021
- 2019
- 2021
- Office and hospital visits
- 2019: 242021: 1921%
Dr. Siew compared with the Texas median for emergency medicine physicians, 2021
- Dr. Siew
- Texas median
- Medicare services
- 19vs 22592% below
- Part D claims
- 87vs 7418% above
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Siew's most billed Medicare procedure codes, 2021
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. Siew?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Siew and other emergency medicine physicians in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Isaac Siew's patients have a median age of 34
Across all payers, Dmand AI patient panel data puts Dr. Siew's median patient age at 34, with 30% women.
Dr. Siew's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women30%
- Men70%
Source: Dmand AI Patient Panel Data
Dr. Isaac Siew wrote 87 Medicare Part D claims in 2017
In 2017, Dr. Siew wrote 87 Medicare Part D claims. They cover 5 drugs, with $520 in total drug cost. In 2016, CMS named 174 claims across 9 drugs.
Dr. Siew's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 1742017: 8750%
Drugs named by CMS: 5 in 2017, 9 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Isaac Siew received $17 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Siew from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $17.
Companies that paid Dr. Siew the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Isaac Siew graduated from University Of Washington School Of Medicine
Dr. Siew graduated from University Of Washington School Of Medicine in 2009.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Isaac Siew accepts plans from 16 insurance carriers
Dr. Siew is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Siew accepts, by number of carriers
- PPO11
- HMO9
- Medicare5
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Isaac Siew'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Isaac Siew
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. Isaac Siew's NPI number?
Dr. Isaac Siew's NPI number is 1124260732. It was assigned on March 27, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Isaac Siew?
Dr. Isaac Siew is an emergency medicine physician in Amarillo, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Isaac Siew practice?
Dr. Siew practices at 3530 S Soncy Rd, Amarillo, TX 79119. Dr. Siew's primary practice is ER On Soncy in Amarillo, Texas. Dmand AI also links Dr. Siew to 1 medical group.
What is Dr. Isaac Siew's office phone number?
The practice phone on file for Dr. Siew is (806) 340-0608.
What is Dr. Isaac Siew's medical license number?
Dr. Siew holds Texas license Q0364, one of the licenses on file in 2 states.
Which states has Dr. Isaac Siew been licensed in?
Dmand AI has state licenses on file for Dr. Siew in Texas (2014 to 2026) and New York (2012 to 2015).
What medical group is Dr. Isaac Siew part of?
Dr. Siew is linked to ACS Primary Care Physicians Southwest, PA. Dmand AI links Dr. Siew to 1 more medical group.
Does Dr. Isaac Siew accept Medicare?
Yes. CMS data shows Dr. Siew billed Medicare for 19 services in 2021.
Is Dr. Isaac Siew board certified?
Yes. Dr. Siew is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Isaac Siew bill to Medicare?
In 2021, Dr. Siew's most billed Medicare services were emergency department visit (99285).
Show 5 more questionsShow fewer questions
Where did Dr. Isaac Siew go to medical school?
Dr. Siew graduated from University Of Washington School Of Medicine in 2009.
What drugs does Dr. Isaac Siew prescribe most?
In 2017 Medicare Part D data, Dr. Siew's most prescribed drugs by claims were Tramadol HCl, Ondansetron ODT and Ciprofloxacin HCl.
Has Dr. Isaac Siew received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Siew from 1 company from 2020 to 2020. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Isaac Siew been practicing?
Dr. Siew graduated from medical school in 2009, 17 years ago.
What insurance does Dr. Isaac Siew accept?
Dr. Siew is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card