Dr. Josephine Hwu, MD
- Medicare services, 2024
- 1,986
- Medicare patients, 2024
- 403
- Part D claims, 2024
- 925
- Hospital affiliations
- 5
- Industry payments
- $772
- Practice address
- 600 N Garfield Ave, Monterey Park, CA 91754
- Practice phone
- Call (626) 294-9682
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arcadia Oaks Dialysis
Monterey Park, California
Find Dr. Hwu'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. Josephine Hwu is a nephrologist in Monterey Park, California
Dr. Hwu practices at Arcadia Oaks Dialysis in Monterey Park, California.
Dr. Hwu's NPI, 1194170894, was assigned on May 1, 2016. Dr. Hwu graduated from Loma Linda University School Of Medicine in 2016. Dr. Hwu holds California license A154264.
- NPI
- 1194170894NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729486881
- NPI enumeration date
- May 1, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 294-9682
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Josephine Hwu practices at Arcadia Oaks Dialysis in Monterey Park, California
Dr. Hwu's primary practice is Arcadia Oaks Dialysis, at 600 N Garfield Ave, Monterey Park, CA 91754 in Los Angeles County. The practice phone is (626) 294-9682.
- Arcadia Oaks Dialysis600 N Garfield Ave, Monterey Park, CA 91754 · Los Angeles CountyPhone(626) 294-9682
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Josephine Hwu is affiliated with 10 sites of care and 2 medical groups
Dr. Hwu's primary practice is Arcadia Oaks Dialysis in Monterey Park, California. Dr. Hwu is also affiliated with Garfield Medical Center. The medical group on file is Golden Pacific Nephrology Medical Clinic. Dmand AI also links Dr. Hwu to 4 more hospitals, 2 dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account.
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 Dr. Josephine Hwu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hwu practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arcadia Oaks Dialysis | Available with a free account |
| +9 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Josephine Hwu is one of 1,401 nephrologists in California
Nephrology is Dr. Hwu's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Hwu is board certified in internal medicine by the American Board of Internal Medicine. Dr. Hwu is licensed in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic kidney disease among the conditions Dr. Hwu treats.
Nephrologists near Dr. Hwu
Counts of nephrologists 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. Josephine Hwu billed Medicare for 1,986 services in 2024
CMS data shows 1,986 Medicare services from Dr. Hwu across 8 procedure codes in 2024, for 403 Medicare patients. Medicare paid $176,984 for them.
Dr. Hwu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5652024: 1,971249%
- Tests and treatments
- 2023: 02024: 15
Where Dr. Hwu's Medicare services took place, 2024
- In an office1397%
- In a facility1,84793%
Dr. Hwu compared with the California median for nephrologists, 2024
- Dr. Hwu
- California median
- Medicare services
- 1,986vs 1,08483% above
- Medicare patients
- 403vs 30731% above
- Part D claims
- 614vs 95536% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Hwu'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 Dr. Hwu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hwu and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Josephine Hwu treated 403 Medicare patients in 2024, average age 79
CMS counts 403 Medicare patients who saw Dr. Hwu in 2024. The largest group is 85 and over, with 148 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 87% are also on Medicaid. Their average risk score is 4.40, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hwu's median patient age at 70, with 45% women.
Dr. Hwu's Medicare patients by age, 2024
Dr. Hwu's Medicare patients by sex, 2024
- Women20852%
- Men19548%
Chronic conditions among Dr. Hwu's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease64%
- Heart failure59%
- Arthritis54%
- Alzheimer's and dementia47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hwu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Josephine Hwu wrote 925 Medicare Part D claims in 2024
In 2024, Dr. Hwu wrote 925 Medicare Part D claims for 134 patients. 80% of them were for generic drugs. CMS names the drug for 614 of them, across 29 drugs with 11 or more claims each, at $97,047 in total drug cost. In 2023, CMS named 443 claims across 22 drugs.
Dr. Hwu's Part D claims by kind of drug, 2024
- Generic742 claims80%
- Brand-name and other183 claims20%
Dr. Hwu'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 Dr. Hwu's Part D claims, 2024
- Antibiotics3%24 of 925 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: 4432024: 61439%
Drugs named by CMS: 29 in 2024, 22 in 2023.
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 Dr. Josephine Hwu takes part in Medicare
Dr. Hwu 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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Dr. Josephine Hwu received $772 in industry payments from 2018 to 2025
CMS Open Payments shows 18 general payments to Dr. Hwu from 8 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 98% of the total. Amgen Inc. paid the most, $295.
General payments to Dr. Hwu by program year, 2018 to 2025
General payments to Dr. Hwu by kind, 2018 to 2025
- Food and beverage$75398%
- Education$192%
Companies that paid Dr. Hwu the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Josephine Hwu graduated from Loma Linda University School Of Medicine
Dr. Hwu graduated from Loma Linda University School Of Medicine in 2016.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Josephine Hwu accepts plans from 6 insurance carriers
Dr. Hwu is in network with 6 carriers, including Aetna, Elevance and LA Care. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Elevance
- LA Care
- Molina
- CMS Medicare
- Humana
Plan types Dr. Hwu accepts, by number of carriers
- HMO5
- Medicare5
- POS2
- EPO1
- Medicaid1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Josephine Hwu'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 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 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 percentiles | Doctors and Clinicians National Downloadable File (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. Josephine Hwu
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. Josephine Hwu's NPI number?
Dr. Josephine Hwu's NPI number is 1194170894. It was assigned on May 1, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Josephine Hwu?
Dr. Josephine Hwu is a nephrologist in Monterey Park, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Josephine Hwu practice?
Dr. Hwu practices at 600 N Garfield Ave, Monterey Park, CA 91754. Dr. Hwu's primary practice is Arcadia Oaks Dialysis in Monterey Park, California. Dmand AI also links Dr. Hwu to 4 hospitals, 2 dialysis centers, 2 group practices and clinics and 1 medical group.
What is Dr. Josephine Hwu's office phone number?
The practice phone on file for Dr. Hwu is (626) 294-9682.
What is Dr. Josephine Hwu's medical license number?
Dr. Hwu holds California license A154264.
Which hospitals is Dr. Josephine Hwu affiliated with?
Dr. Hwu is affiliated with Garfield Medical Center. Dmand AI links Dr. Hwu to 4 more hospitals.
What medical group is Dr. Josephine Hwu part of?
Dr. Hwu is linked to Golden Pacific Nephrology Medical Clinic. Dmand AI links Dr. Hwu to 1 more medical group.
Does Dr. Josephine Hwu accept Medicare?
Yes. CMS data shows Dr. Hwu billed Medicare for 1,986 services in 2024, and Dr. Hwu accepts Medicare assignment.
How many Medicare patients does Dr. Josephine Hwu see?
CMS counts 403 Medicare patients who saw Dr. Hwu in 2024, with an average age of 79.
Is Dr. Josephine Hwu board certified?
Yes. Dr. Hwu is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Josephine Hwu bill to Medicare?
In 2024, Dr. Hwu's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99222).
Where did Dr. Josephine Hwu go to medical school?
Dr. Hwu graduated from Loma Linda University School Of Medicine in 2016.
What drugs does Dr. Josephine Hwu prescribe most?
In 2024 Medicare Part D data, Dr. Hwu's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Pantoprazole Sodium.
Has Dr. Josephine Hwu received payments from drug or device companies?
CMS Open Payments shows $772 in general payments to Dr. Hwu from 8 companies from 2018 to 2025. The largest total came from Amgen Inc.
How long has Dr. Josephine Hwu been practicing?
Dr. Hwu graduated from medical school in 2016, 10 years ago.
What insurance does Dr. Josephine Hwu accept?
Dr. Hwu is in network with 6 carriers, including Aetna, Elevance and LA Care. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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