Ion S. Chuang

  • Longview, TX
  • Emergency medicine physician
NPI1821034448PAC ID2860488319
Medicare services, 2024
182
Medicare patients, 2024
183
Part D claims, 2024
351
Hospital affiliations
4
Industry payments
$102
Practice address
700 E Marshall Ave, Longview, TX 75601
Practice phone
Call (903) 315-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Good Shepherd Medical Center - Longview

Longview, Texas

See all 25 affiliations

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Ion S. Chuang is an emergency medicine physician in Longview, Texas

Ion Chuang practices at Good Shepherd Medical Center - Longview in Longview, Texas.

Ion Chuang's NPI, 1821034448, was assigned on June 21, 2006. Ion Chuang graduated from Rutgers Robert Wood Johnson Medical School in 1992. Ion Chuang holds Texas license Q3346.

NPI and contact details
Medicare PAC ID
2860488319
NPI enumeration date
June 21, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(903) 315-2000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
60
Medical school graduation
1992

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

Ion S. Chuang practices at Good Shepherd Medical Center - Longview in Longview, Texas

Ion Chuang's primary practice is Good Shepherd Medical Center - Longview, at 700 E Marshall Ave, Longview, TX 75601 in Gregg County. The practice phone is (903) 315-2000.

  • Good Shepherd Medical Center - Longview
    700 E Marshall Ave, Longview, TX 75601 · Gregg CountyPhone(903) 315-2000

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

Ion S. Chuang is affiliated with 5 sites of care and 20 medical groups

Ion Chuang's primary practice is Good Shepherd Medical Center - Longview in Longview, Texas. Ion Chuang is also affiliated with CHRISTUS Good Shepherd Medical Center - Longview. The medical group on file is Vituity. Dmand AI also links Ion Chuang to 3 more hospitals and 19 medical groups, each named with a free account.

See all 25 affiliations for Ion Chuang

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

Dmand AI tracks the EHR system at Ion S. Chuang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ion Chuang practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Good Shepherd Medical Center - LongviewAvailable with a free account
+4 more sites and 19 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Ion S. Chuang is one of 4,831 emergency medicine physicians in Texas

Emergency medicine is Ion Chuang's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Ion Chuang is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Ion Chuang's licenses on file in 15 states: Texas, Maine, California, South Carolina, Louisiana, Washington, Georgia, Montana, Arkansas, Arizona, Minnesota, Missouri, North Dakota, Nebraska and Pennsylvania.

Specialties and state licenses

  • Emergency medicine, TexasPrimaryLicense Q3346 · 2015 to 2026 · taxonomy 207P00000X
  • Maine licenseSince 2014
  • California license2019 to 2025
  • South Carolina license2016 to 2025
  • Louisiana license2018 to 2024
  • Washington license2019 to 2024
  • Georgia license1994 to 2023
  • Montana license2015 to 2023
  • Arkansas license2016 to 2022
  • Arizona license2018 to 2022
  • Minnesota license2018 to 2022
  • Missouri license2018 to 2022
  • North Dakota license2017 to 2022
  • Nebraska license2014 to 2022
  • Pennsylvania license1993 to 2022

Emergency medicine physicians near Ion Chuang

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

Ion S. Chuang billed Medicare for 182 services in 2024

CMS data shows 182 Medicare services from Ion Chuang across 3 procedure codes in 2024, for 183 Medicare patients. Medicare paid $17,315 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024182
Medicare patients183
Paid by Medicare$17,315
Procedure codes3

Ion Chuang's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2142024: 18215%
Tests and treatments
2023: 182024: 0100%

Ion Chuang compared with the Texas median for emergency medicine physicians, 2024

  • Ion Chuang
  • Texas median
Medicare services
182vs 22519% below
Medicare patients
183vs 20611% below
Part D claims
177vs 742.4 times

Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.

Ion Chuang'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

Ion S. Chuang treated 183 Medicare patients in 2024, average age 75

CMS counts 183 Medicare patients who saw Ion Chuang in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Ion Chuang's median patient age at 39, with 57% women.

Medicare patients, 2024183
Average age75
Average risk score1.39
Also on Medicaid12%

Ion Chuang's Medicare patients by age, 2024

Ion Chuang's Medicare patients by sex, 2024

  • Women10960%
  • Men7440%

Chronic conditions among Ion Chuang's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Mood disorders40%
  5. Depression39%
  6. Diabetes33%
  7. Anxiety32%
  8. Chronic kidney disease31%

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

Ion Chuang's patients across all payers

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

Patient panel by age, all payers

Median age 39

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Ion S. Chuang wrote 351 Medicare Part D claims in 2024

In 2024, Ion Chuang wrote 351 Medicare Part D claims for 223 patients. 94% of them were for generic drugs. CMS names the drug for 177 of them, across 10 drugs with 11 or more claims each, at $1,295 in total drug cost. In 2023, CMS named 323 claims across 13 drugs.

Part D claims, 2024351
Drugs named by CMS10
Total drug cost$1,295
Part D patients223

Ion Chuang's Part D claims by kind of drug, 2024

  • Generic331 claims94%
  • Brand-name20 claims6%

Ion Chuang'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 Ion Chuang's Part D claims, 2024

  • Opioids5%18 of 351 claims
  • Antibiotics28%100 of 351 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: 3232024: 17745%

Drugs named by CMS: 10 in 2024, 13 in 2023.

See all prescribing by Ion Chuang

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 Ion S. Chuang takes part in Medicare

Ion Chuang 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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Ion S. Chuang received $102 in industry payments in 2018

CMS Open Payments shows 1 general payment to Ion Chuang from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Arbor Pharmaceuticals, Inc. paid the most, $102.

Companies that paid Ion Chuang the most, 2018 to 2018

Share is of all general payments to this clinician.

See all payments to Ion Chuang

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

Ion S. Chuang graduated from Rutgers Robert Wood Johnson Medical School

Ion Chuang graduated from Rutgers Robert Wood Johnson Medical School in 1992.

  1. Medical schoolRutgers Robert Wood Johnson Medical School
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Ion S. Chuang accepts plans from 24 insurance carriers

Ion Chuang is in network with 24 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Capital Blue Cross
  • HCSC
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • +16 more carriersWith a free account

Plan types Ion Chuang accepts, by number of carriers

  1. PPO13
  2. HMO10
  3. Medicare10
  4. POS5
  5. Medicaid4
  6. EPO3

Source: Dmand AI Insurance Network Data

Sources for Ion S. Chuang'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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
Insurance carriers and plan typesDmand AI Insurance Network 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 Ion S. Chuang

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Ion S. Chuang's NPI number?

Ion S. Chuang's NPI number is 1821034448. It was assigned on June 21, 2006, and it is active in the NPI Registry.

What does Ion S. Chuang specialize in?

Ion S. Chuang is an emergency medicine physician in Longview, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Ion S. Chuang practice?

Ion Chuang practices at 700 E Marshall Ave, Longview, TX 75601. Ion Chuang's primary practice is Good Shepherd Medical Center - Longview in Longview, Texas. Dmand AI also links Ion Chuang to 3 hospitals and 19 medical groups.

What is Ion S. Chuang's office phone number?

The practice phone on file for Ion Chuang is (903) 315-2000.

What is Ion S. Chuang's medical license number?

Ion Chuang holds Texas license Q3346, one of the licenses on file in 15 states.

Which states has Ion S. Chuang been licensed in?

Dmand AI has state licenses on file for Ion Chuang in Texas (2015 to 2026), Maine (since 2014), California (2019 to 2025), South Carolina (2016 to 2025), Louisiana (2018 to 2024), Washington (2019 to 2024), Georgia (1994 to 2023), Montana (2015 to 2023), Arkansas (2016 to 2022), Arizona (2018 to 2022), Minnesota (2018 to 2022), Missouri (2018 to 2022), North Dakota (2017 to 2022), Nebraska (2014 to 2022) and Pennsylvania (1993 to 2022).

Which hospitals is Ion S. Chuang affiliated with?

Ion Chuang is affiliated with CHRISTUS Good Shepherd Medical Center - Longview. Dmand AI links Ion Chuang to 3 more hospitals.

What medical group is Ion S. Chuang part of?

Ion Chuang is linked to Vituity. Dmand AI links Ion Chuang to 19 more medical groups.

Does Ion S. Chuang accept Medicare?

Yes. CMS data shows Ion Chuang billed Medicare for 182 services in 2024, and Ion Chuang accepts Medicare assignment.

How many Medicare patients does Ion S. Chuang see?

CMS counts 183 Medicare patients who saw Ion Chuang in 2024, with an average age of 75.

Show 7 more questionsShow fewer questions

Is Ion S. Chuang board certified?

Yes. Ion Chuang is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Ion S. Chuang bill to Medicare?

In 2024, Ion Chuang's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and emergency department visit (99283).

Where did Ion S. Chuang go to medical school?

Ion Chuang graduated from Rutgers Robert Wood Johnson Medical School in 1992.

What drugs does Ion S. Chuang prescribe most?

In 2024 Medicare Part D data, Ion Chuang's most prescribed drugs by claims were Ibuprofen, Cephalexin and Azithromycin.

Has Ion S. Chuang received payments from drug or device companies?

CMS Open Payments shows $102 in general payments to Ion Chuang from 1 company from 2018 to 2018. The largest total came from Arbor Pharmaceuticals, Inc.

How long has Ion S. Chuang been practicing?

Ion Chuang graduated from medical school in 1992, 34 years ago.

What insurance does Ion S. Chuang accept?

Ion Chuang is in network with 24 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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