Andrew Hwang

  • Riverside, CA
  • Internist
NPI1114458809PAC ID0749605863
Medicare services, 2024
431
Medicare patients, 2024
132
Part D claims, 2024
68
Publications
4
Hospital affiliations
1
Practice address
4445 Magnolia Avenue, Riverside, CA 92501
Practice phone
Call (951) 788-3000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Riverside Community Hospital

Hospital · Riverside, California

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Andrew Hwang is an internist in Riverside, California

Andrew Hwang practices at Riverside Community Hospital in Riverside, California, part of HCA Healthcare.

Andrew Hwang's NPI, 1114458809, was assigned on March 23, 2017. Andrew Hwang graduated from St. George's University School of Medicine in 2017. Andrew Hwang holds California license A162469.

NPI and contact details
Medicare PAC ID
0749605863
NPI enumeration date
March 23, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(951) 788-3000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
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)

Andrew Hwang practices at Riverside Community Hospital in Riverside, California

Andrew Hwang's primary practice is Riverside Community Hospital, at 4445 Magnolia Avenue, Riverside, CA 92501 in Riverside County. The practice phone is (951) 788-3000.

Source: Dmand AI Affiliation Data

Andrew Hwang is affiliated with 1 site of care and 1 medical group

Andrew Hwang's primary practice is Riverside Community Hospital in Riverside, California, part of HCA Healthcare. The medical group on file is Alertive Healthcare Medical Group.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Andrew Hwang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Andrew Hwang practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Riverside Community HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Andrew Hwang is one of 16,751 internists in California

Internal medicine is Andrew Hwang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Andrew Hwang is board certified in hematology by the American Board of Internal Medicine. Andrew Hwang is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A162469 · 2019 to 2027 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute stomach ulcer, anemia, chest pain, circulation problems, circulatory problems in extremities, cirrhosis, congestive heart failure and epilepsy among the conditions Andrew Hwang treats.

Internists near Andrew Hwang

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

Andrew Hwang billed Medicare for 431 services in 2024

CMS data shows 431 Medicare services from Andrew Hwang across 5 procedure codes in 2024, for 132 Medicare patients. Medicare paid $33,363 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024431
Medicare patients132
Paid by Medicare$33,363
Procedure codes5

Andrew Hwang's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5222024: 43117%

Andrew Hwang compared with the California median for internists, 2024

  • Andrew Hwang
  • California median
Medicare services
431vs 36119% above
Medicare patients
132vs 15113% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Andrew Hwang'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.

See all procedures by Andrew Hwang

Need commercial claims for Andrew Hwang?

Medicare shows one payer. Book a meeting to get commercial claims data for Andrew Hwang and other internists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Andrew Hwang treated 132 Medicare patients in 2024, average age 71

CMS counts 132 Medicare patients who saw Andrew Hwang in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 55% are also on Medicaid. Their average risk score is 3.47, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Andrew Hwang's median patient age at 64, with 44% women.

Medicare patients, 2024132
Average age71
Average risk score3.47
Also on Medicaid55%

Andrew Hwang's Medicare patients by age, 2024

Andrew Hwang's Medicare patients by sex, 2024

  • Women5945%
  • Men7355%

Chronic conditions among Andrew Hwang's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes61%
  4. Chronic kidney disease51%
  5. Heart failure51%
  6. Anxiety48%
  7. Arthritis48%
  8. Mood disorders45%

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

Andrew Hwang's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women44%
  • Men56%

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

Andrew Hwang wrote 68 Medicare Part D claims in 2024

In 2024, Andrew Hwang wrote 68 Medicare Part D claims for 25 patients. 90% of them were for generic drugs.

Part D claims, 202468
Part D patients25

Andrew Hwang's Part D claims by kind of drug, 2024

  • Generic61 claims90%
  • Brand-name and other7 claims10%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Andrew Hwang takes part in Medicare

Andrew Hwang 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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Andrew Hwang has 4 publications on record

Dmand AI links 4 papers to Andrew Hwang, published from 2018 to 2023. 2018 was the busiest year, with 2. The most frequent topics are Antibodies, Monoclonal, Humanized and Antineoplastic Agents, Immunological. Andrew Hwang has published most often in J Oncol Pharm Pract. Andrew Hwang's most frequent co-authors are Constantin Dasanu, MD, PhD, Andrew Samir Iskandar, MD and Haifaa Abdulhaq, MD.

Papers4
Years published2018 to 2023

Andrew Hwang's papers by year, 2018 to 2023

Topics Andrew Hwang writes about most

  • Antibodies, Monoclonal, Humanized
  • Antineoplastic Agents, Immunological

Andrew Hwang's most frequent co-authors

Recent publications by Andrew Hwang

See all 4 publications and co-authors

See who Andrew Hwang researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Andrew Hwang works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Andrew Hwang received $362 in industry payments from 2020 to 2025

CMS Open Payments shows 10 general payments to Andrew Hwang from 4 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $125.

General payments to Andrew Hwang by program year, 2020 to 2025

Companies that paid Andrew Hwang the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Andrew Hwang

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

Andrew Hwang graduated from St. George's University School of Medicine

Andrew Hwang graduated from St. George's University School of Medicine in 2017.

  1. Medical schoolSt. George's University School of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Andrew Hwang accepts plans from 14 insurance carriers

Andrew Hwang is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types Andrew Hwang accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO6
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Andrew Hwang'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Andrew Hwang

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

What is Andrew Hwang's NPI number?

Andrew Hwang's NPI number is 1114458809. It was assigned on March 23, 2017, and it is active in the NPI Registry.

What does Andrew Hwang specialize in?

Andrew Hwang is an internist in Riverside, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Andrew Hwang practice?

Andrew Hwang practices at 4445 Magnolia Avenue, Riverside, CA 92501. Andrew Hwang's primary practice is Riverside Community Hospital in Riverside, California, part of HCA Healthcare.

What is Andrew Hwang's office phone number?

The practice phone on file for Andrew Hwang is (951) 788-3000.

What is Andrew Hwang's medical license number?

Andrew Hwang holds California license A162469.

Which hospitals is Andrew Hwang affiliated with?

Andrew Hwang practices at Riverside Community Hospital in Riverside, California.

What medical group is Andrew Hwang part of?

Andrew Hwang is linked to Alertive Healthcare Medical Group.

Does Andrew Hwang accept Medicare?

Yes. CMS data shows Andrew Hwang billed Medicare for 431 services in 2024, and Andrew Hwang accepts Medicare assignment.

How many Medicare patients does Andrew Hwang see?

CMS counts 132 Medicare patients who saw Andrew Hwang in 2024, with an average age of 71.

Is Andrew Hwang board certified?

Yes. Andrew Hwang is board certified in hematology by the American Board of Internal Medicine.

Show 7 more questionsShow fewer questions

What services does Andrew Hwang bill to Medicare?

In 2024, Andrew Hwang's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99238).

Where did Andrew Hwang go to medical school?

Andrew Hwang graduated from St. George's University School of Medicine in 2017.

Has Andrew Hwang received payments from drug or device companies?

CMS Open Payments shows $362 in general payments to Andrew Hwang from 4 companies from 2020 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Andrew Hwang been practicing?

Andrew Hwang graduated from medical school in 2017, 9 years ago.

Does Andrew Hwang do research?

Dmand AI links 4 publications to Andrew Hwang, published from 2018 to 2023.

Who does Andrew Hwang publish with?

Andrew Hwang's most frequent co-authors are Constantin Dasanu, MD, PhD (3 shared papers), Andrew Samir Iskandar, MD (3 shared papers) and Haifaa Abdulhaq, MD (1 shared paper).

What insurance does Andrew Hwang accept?

Andrew Hwang is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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