Andrew Hwang
- 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
Primary practice
Find Andrew Hwang'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.
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
- 1114458809NPI Registry (opens in a new tab)
- 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.
- Riverside Community Hospital4445 Magnolia Avenue, Riverside, CA 92501 · Riverside CountyPhone(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.
| Site | EHR vendor and product |
|---|---|
| Riverside Community Hospital | 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 HCA Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
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, CaliforniaPrimary
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.
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.
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.
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.
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
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Chronic kidney disease51%
- Heart failure51%
- Anxiety48%
- Arthritis48%
- 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.
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.
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
- Constantin Dasanu, MD, PhD3 shared papers
- Andrew Samir Iskandar, MD3 shared papers
- Haifaa Abdulhaq, MD1 shared paper
Recent publications by Andrew Hwang
J Oncol Pharm Pract
J Oncol Pharm Pract
J Oncol Pharm Pract
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.
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.
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.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
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
- PPO9
- Medicare8
- HMO6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Andrew Hwang'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 (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 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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