Dr. Daniel Kyung Hwang, MD
- Medicare services, 2024
- 1,441
- Medicare patients, 2024
- 330
- Part D claims, 2024
- 1,284
- Hospital affiliations
- 5
- Industry payments
- $8,189
- Practice address
- 4041 N University Parkway, San Bernardino, CA 92407
- Practice phone
- Call (909) 881-1878
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
DaVita Mountain Vista Dialysis Center
Dialysis Center - Independent · San Bernardino, California
Find Dr. 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.
Dr. Daniel Kyung Hwang is a nephrologist in San Bernardino, California
Dr. Hwang practices at DaVita Mountain Vista Dialysis Center in San Bernardino, California.
Dr. Hwang's NPI, 1629150081, was assigned on October 19, 2006. Dr. Hwang graduated from New York University School of Medicine in 2002. Dr. Hwang holds California license A91913.
- NPI
- 1629150081NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082773692
- NPI enumeration date
- October 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 881-1878
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Kyung Hwang practices at DaVita Mountain Vista Dialysis Center in San Bernardino, California
Dr. Hwang's primary practice is DaVita Mountain Vista Dialysis Center, at 4041 N University Parkway, San Bernardino, CA 92407 in San Bernardino County. The practice phone is (909) 881-1878.
- DaVita Mountain Vista Dialysis Center4041 N University Parkway, San Bernardino, CA 92407 · San Bernardino CountyPhone(909) 881-1878
Source: Dmand AI Affiliation Data
Dr. Daniel Kyung Hwang is affiliated with 9 sites of care and 1 medical group
Dr. Hwang's primary practice is DaVita Mountain Vista Dialysis Center in San Bernardino, California. Dr. Hwang is also affiliated with Dignity Health - St. Bernardine Medical Center. The medical group on file is Nephrology Associates Medical Group. Dmand AI also links Dr. Hwang to 4 more hospitals, 2 dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel Kyung Hwang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hwang practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DaVita Mountain Vista Dialysis Center | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel Kyung Hwang is one of 1,401 nephrologists in California
Nephrology is Dr. Hwang's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Hwang is board certified in internal medicine by the American Board of Internal Medicine. Dr. Hwang is licensed in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Clinical focus
Dmand AI lists acute kidney failure, chronic anemia, chronic kidney disease and fluid and electrolyte imbalances among the conditions Dr. Hwang treats.
Nephrologists near Dr. Hwang
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. Daniel Kyung Hwang billed Medicare for 1,441 services in 2024
CMS data shows 1,441 Medicare services from Dr. Hwang across 10 procedure codes in 2024, for 330 Medicare patients. Medicare paid $154,764 for them.
Dr. Hwang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0562024: 1,1226%
- Tests and treatments
- 2023: 2612024: 2703%
- Other services
- 2023: 02024: 49
Where Dr. Hwang's Medicare services took place, 2024
- In an office36225%
- In a facility1,07975%
Dr. Hwang compared with the California median for nephrologists, 2024
- Dr. Hwang
- California median
- Medicare services
- 1,441vs 1,08433% above
- Medicare patients
- 330vs 3077% above
- Part D claims
- 984vs 955Close to median
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. 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 Dr. Hwang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hwang and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel Kyung Hwang treated 330 Medicare patients in 2024, average age 69
CMS counts 330 Medicare patients who saw Dr. Hwang in 2024. The largest group is 65 to 74, with 137 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 77% are also on Medicaid. Their average risk score is 6.14, 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. Hwang's median patient age at 68, with 48% women.
Dr. Hwang's Medicare patients by age, 2024
Dr. Hwang's Medicare patients by sex, 2024
- Women14845%
- Men18255%
Chronic conditions among Dr. Hwang's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Heart failure69%
- Ischemic heart disease48%
- Arthritis44%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 68
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel Kyung Hwang wrote 1,284 Medicare Part D claims in 2024
In 2024, Dr. Hwang wrote 1,284 Medicare Part D claims for 223 patients. 80% of them were for generic drugs. CMS names the drug for 984 of them, across 36 drugs with 11 or more claims each, at $166,877 in total drug cost. In 2023, CMS named 1,047 claims across 41 drugs.
Dr. Hwang's Part D claims by kind of drug, 2024
- Generic1,026 claims80%
- Brand-name and other258 claims20%
Dr. Hwang'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. Hwang's Part D claims, 2024
- Antibiotics9%116 of 1,284 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: 1,0472024: 9846%
Drugs named by CMS: 36 in 2024, 41 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. Daniel Kyung Hwang takes part in Medicare
Dr. 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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Dr. Daniel Kyung Hwang received $8,189 in industry payments from 2016 to 2025
CMS Open Payments shows 392 general payments to Dr. Hwang from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Relypsa, Inc. paid the most, $908.
General payments to Dr. Hwang by program year, 2016 to 2025
General payments to Dr. Hwang by kind, 2016 to 2025
- Food and beverage$8,10699%
- Education$841%
Companies that paid Dr. Hwang the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel Kyung Hwang graduated from New York University School of Medicine
Dr. Hwang graduated from New York University School of Medicine in 2002.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Daniel Kyung Hwang accepts plans from 15 insurance carriers
Dr. Hwang is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Molina
- +7 more carriersWith a free account
Plan types Dr. Hwang accepts, by number of carriers
- Medicare10
- PPO10
- HMO8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel Kyung 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 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. Daniel Kyung 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 Dr. Daniel Kyung Hwang's NPI number?
Dr. Daniel Kyung Hwang's NPI number is 1629150081. It was assigned on October 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Kyung Hwang?
Dr. Daniel Kyung Hwang is a nephrologist in San Bernardino, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Daniel Kyung Hwang practice?
Dr. Hwang practices at 4041 N University Parkway, San Bernardino, CA 92407. Dr. Hwang's primary practice is DaVita Mountain Vista Dialysis Center in San Bernardino, California. Dmand AI also links Dr. Hwang to 4 hospitals, 2 dialysis centers and 1 group practice or clinic.
What is Dr. Daniel Kyung Hwang's office phone number?
The practice phone on file for Dr. Hwang is (909) 881-1878.
What is Dr. Daniel Kyung Hwang's medical license number?
Dr. Hwang holds California license A91913.
Which hospitals is Dr. Daniel Kyung Hwang affiliated with?
Dr. Hwang is affiliated with Dignity Health - St. Bernardine Medical Center. Dmand AI links Dr. Hwang to 4 more hospitals.
What medical group is Dr. Daniel Kyung Hwang part of?
Dr. Hwang is linked to Nephrology Associates Medical Group.
Does Dr. Daniel Kyung Hwang accept Medicare?
Yes. CMS data shows Dr. Hwang billed Medicare for 1,441 services in 2024, and Dr. Hwang accepts Medicare assignment.
How many Medicare patients does Dr. Daniel Kyung Hwang see?
CMS counts 330 Medicare patients who saw Dr. Hwang in 2024, with an average age of 69.
Is Dr. Daniel Kyung Hwang board certified?
Yes. Dr. Hwang is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Daniel Kyung Hwang bill to Medicare?
In 2024, Dr. Hwang's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and dialysis (90960).
Where did Dr. Daniel Kyung Hwang go to medical school?
Dr. Hwang graduated from New York University School of Medicine in 2002.
What drugs does Dr. Daniel Kyung Hwang prescribe most?
In 2024 Medicare Part D data, Dr. Hwang's most prescribed drugs by claims were Furosemide, Nifedipine ER and Losartan Potassium.
Has Dr. Daniel Kyung Hwang received payments from drug or device companies?
CMS Open Payments shows $8,189 in general payments to Dr. Hwang from 34 companies from 2016 to 2025. The largest total came from Relypsa, Inc.
How long has Dr. Daniel Kyung Hwang been practicing?
Dr. Hwang graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Daniel Kyung Hwang accept?
Dr. Hwang is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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