Dr. Paula Sung-Hyon Cho, MD
- Medicare services, 2024
- 28
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 1,419
- Hospital affiliations
- 1
- Industry payments
- $403
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Dr. Cho's professional email, personal email and mobile number
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Dr. Paula Sung-Hyon Cho is a nephrologist in Fontana, California
Dr. Cho practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Cho's NPI, 1245399906, was assigned on December 8, 2006. Dr. Cho graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1999. Dr. Cho holds California license A74570.
- NPI
- 1245399906NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234116914
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Paula Sung-Hyon Cho practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Cho's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Paula Sung-Hyon Cho is affiliated with 2 sites of care and 1 medical group
Dr. Cho's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Cho is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group.
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. Paula Sung-Hyon Cho's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cho practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Paula Sung-Hyon Cho is one of 1,401 nephrologists in California
Nephrology is Dr. Cho's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Cho is board certified in internal medicine by the American Board of Internal Medicine. Dr. Cho is licensed in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Clinical focus
Dmand AI lists acute kidney failure and chronic kidney disease among the conditions Dr. Cho treats.
Nephrologists near Dr. Cho
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. Paula Sung-Hyon Cho billed Medicare for 28 services in 2024
CMS data shows 28 Medicare services from Dr. Cho across 1 procedure code in 2024, for 29 Medicare patients. Medicare paid $1,751 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Cho's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 642024: 2856%
Dr. Cho compared with the California median for nephrologists, 2024
- Dr. Cho
- California median
- Medicare services
- 28vs 1,08497% below
- Medicare patients
- 29vs 30791% below
- Part D claims
- 1,234vs 95529% above
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Cho'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. Cho?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cho and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Paula Sung-Hyon Cho treated 29 Medicare patients in 2024, average age 64
CMS counts 29 Medicare patients who saw Dr. Cho in 2024. The largest group is under 65, with 15 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 45% are also on Medicaid. Their average risk score is 7.14, 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. Cho's median patient age at 67, with 53% women.
Dr. Cho's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Cho's Medicare patients by sex, 2024
- Women1138%
- Men1862%
Chronic conditions among Dr. Cho's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Heart failure62%
- Ischemic heart disease45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cho's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Paula Sung-Hyon Cho wrote 1,419 Medicare Part D claims in 2024
In 2024, Dr. Cho wrote 1,419 Medicare Part D claims for 276 patients. 95% of them were for generic drugs. CMS names the drug for 1,234 of them, across 27 drugs with 11 or more claims each, at $56,804 in total drug cost. In 2023, CMS named 1,293 claims across 26 drugs.
Dr. Cho's Part D claims by kind of drug, 2024
- Generic1,353 claims95%
- Brand-name and other66 claims5%
Dr. Cho'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. Cho's Part D claims, 2024
- Antibiotics3%39 of 1,419 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: 1,2932024: 1,2345%
Drugs named by CMS: 27 in 2024, 26 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. Paula Sung-Hyon Cho takes part in Medicare
Dr. Cho 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. Paula Sung-Hyon Cho received $403 in industry payments from 2016 to 2024
CMS Open Payments shows 6 general payments to Dr. Cho from 4 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $227.
General payments to Dr. Cho by program year, 2016 to 2024
Companies that paid Dr. Cho the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Paula Sung-Hyon Cho has 1 award and honors on record
Dmand AI lists 1 award for Dr. Cho, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Cho
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Paula Sung-Hyon Cho graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Cho graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1999.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Paula Sung-Hyon Cho accepts plans from 2 insurance carriers
Dr. Cho is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Cho accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Paula Sung-Hyon Cho'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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Paula Sung-Hyon Cho
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. Paula Sung-Hyon Cho's NPI number?
Dr. Paula Sung-Hyon Cho's NPI number is 1245399906. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Paula Sung-Hyon Cho?
Dr. Paula Sung-Hyon Cho is a nephrologist in Fontana, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Paula Sung-Hyon Cho practice?
Dr. Cho practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Cho's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California.
What is Dr. Paula Sung-Hyon Cho's office phone number?
The practice phone on file for Dr. Cho is (909) 427-5000.
What is Dr. Paula Sung-Hyon Cho's medical license number?
Dr. Cho holds California license A74570.
Which hospitals is Dr. Paula Sung-Hyon Cho affiliated with?
Dr. Cho is affiliated with Fontana Medical Center.
What medical group is Dr. Paula Sung-Hyon Cho part of?
Dr. Cho is linked to Southern California Permanente Medical Group.
Does Dr. Paula Sung-Hyon Cho accept Medicare?
Yes. CMS data shows Dr. Cho billed Medicare for 28 services in 2024, and Dr. Cho accepts Medicare assignment.
How many Medicare patients does Dr. Paula Sung-Hyon Cho see?
CMS counts 29 Medicare patients who saw Dr. Cho in 2024, with an average age of 64.
Is Dr. Paula Sung-Hyon Cho board certified?
Yes. Dr. Cho is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Paula Sung-Hyon Cho bill to Medicare?
In 2024, Dr. Cho's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Paula Sung-Hyon Cho go to medical school?
Dr. Cho graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1999.
What drugs does Dr. Paula Sung-Hyon Cho prescribe most?
In 2024 Medicare Part D data, Dr. Cho's most prescribed drugs by claims were Losartan Potassium, Potassium Chloride and Amlodipine Besylate.
Has Dr. Paula Sung-Hyon Cho received payments from drug or device companies?
CMS Open Payments shows $403 in general payments to Dr. Cho from 4 companies from 2016 to 2024. The largest total came from Relypsa, Inc.
How long has Dr. Paula Sung-Hyon Cho been practicing?
Dr. Cho graduated from medical school in 1999, 27 years ago.
What insurance does Dr. Paula Sung-Hyon Cho accept?
Dr. Cho is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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