Dr. Wan-Ting Yang, MD

  • Fontana, CA
  • Nephrologist
NPI1225238470PAC ID7911022405
Medicare services, 2024
55
Medicare patients, 2024
35
Part D claims, 2024
1,329
Publications
1
Hospital affiliations
2
Practice address
9965 Sierra Ave, Fontana, CA 92335
Practice phone
Call (909) 427-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kaiser Permanente - Fontana Medical Center

Fontana, California

See all 6 affiliations

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Dr. Wan-Ting Yang is a nephrologist in Fontana, California

Dr. Yang practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.

Dr. Yang's NPI, 1225238470, was assigned on July 24, 2007. Dr. Yang graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2007. Dr. Yang holds California license A105149.

NPI and contact details
Medicare PAC ID
7911022405
NPI enumeration date
July 24, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(909) 427-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Wan-Ting Yang practices at Kaiser Permanente - Fontana Medical Center in Fontana, California

Dr. Yang'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 Center
    9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Wan-Ting Yang is affiliated with 4 sites of care and 2 medical groups

Dr. Yang's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Yang is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Yang to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Yang

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. Wan-Ting Yang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente - Fontana Medical CenterAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Wan-Ting Yang is one of 1,401 nephrologists in California

Nephrology is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Yang is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Yang's licenses on file in 2 states: California and Hawaii.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A105149 · 2008 to 2026 · taxonomy 207RN0300X
  • Hawaii license2025 to 2026

Clinical focus

Dmand AI lists chronic diabetes and chronic kidney disease among the conditions Dr. Yang treats.

Nephrologists near Dr. Yang

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. Wan-Ting Yang billed Medicare for 55 services in 2024

CMS data shows 55 Medicare services from Dr. Yang across 2 procedure codes in 2024, for 35 Medicare patients. Medicare paid $2,503 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202455
Medicare patients35
Paid by Medicare$2,503
Procedure codes2

Dr. Yang's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 362024: 5553%

Dr. Yang compared with the California median for nephrologists, 2024

  • Dr. Yang
  • California median
Medicare services
55vs 1,08495% below
Medicare patients
35vs 30789% below
Part D claims
1,152vs 95521% above

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Yang'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 Dr. Yang

Need commercial claims for Dr. Yang?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yang and other nephrologists in California.

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

Dr. Wan-Ting Yang treated 35 Medicare patients in 2024, average age 60

CMS counts 35 Medicare patients who saw Dr. Yang in 2024. The largest group is under 65, with 19 patients. 75% of them have chronic kidney disease, and 75% have diabetes. Their average risk score is 8.12, 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. Yang's median patient age at 66, with 49% women.

Medicare patients, 202435
Average age60
Average risk score8.12

Dr. Yang's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Yang's Medicare patients by sex, 2024

  • Women2057%
  • Men1543%

Chronic conditions among Dr. Yang's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. Diabetes75%
  3. High blood pressure75%
  4. High cholesterol75%
  5. Heart failure63%
  6. Ischemic heart disease51%
  7. Anxiety40%
  8. Depression37%

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

Dr. Yang's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women49%
  • Men50%

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

Dr. Wan-Ting Yang wrote 1,329 Medicare Part D claims in 2024

In 2024, Dr. Yang wrote 1,329 Medicare Part D claims for 315 patients. 83% of them were for generic drugs. CMS names the drug for 1,152 of them, across 27 drugs with 11 or more claims each, at $127,318 in total drug cost. In 2023, CMS named 1,078 claims across 25 drugs.

Part D claims, 20241,329
Drugs named by CMS27
Total drug cost$127,318
Part D patients315

Dr. Yang's Part D claims by kind of drug, 2024

  • Generic1,105 claims83%
  • Brand-name224 claims17%

Dr. Yang'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. Yang's Part D claims, 2024

  • Antibiotics1%12 of 1,329 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: 1,0782024: 1,1527%

Drugs named by CMS: 27 in 2024, 25 in 2023.

See all prescribing by Dr. Yang

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

Dr. Wan-Ting Yang offers telehealth to Medicare patients

Dr. Yang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yang as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Wan-Ting Yang has 1 publication on record

Dmand AI links 1 paper to Dr. Yang in 2015. Dr. Yang's most frequent co-authors are Ramy Magdy Hanna, MD and Joseph Nabil Riad, MD.

Papers1

Dr. Yang's most frequent co-authors

Recent publications by Dr. Yang

See all 1 publications and co-authors

See who Dr. Yang researches with

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

How network discovery works

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

Dr. Wan-Ting Yang received $389 in industry payments from 2016 to 2019

CMS Open Payments shows 7 general payments to Dr. Yang from 4 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $257.

General payments to Dr. Yang by program year, 2016 to 2019

Companies that paid Dr. Yang the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Yang

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

Dr. Wan-Ting Yang graduated from University of Tennessee Health Science Center College of Medicine - Memphis

Dr. Yang graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2007.

  1. Medical schoolUniversity of Tennessee Health Science Center College of Medicine - Memphis
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Wan-Ting Yang accepts plans from 2 insurance carriers

Dr. Yang 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. Yang accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Wan-Ting Yang'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 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 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 Dr. Wan-Ting Yang

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. Wan-Ting Yang's NPI number?

Dr. Wan-Ting Yang's NPI number is 1225238470. It was assigned on July 24, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Wan-Ting Yang?

Dr. Wan-Ting Yang is a nephrologist in Fontana, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Wan-Ting Yang practice?

Dr. Yang practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Yang's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Yang to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Dr. Wan-Ting Yang's office phone number?

The practice phone on file for Dr. Yang is (909) 427-5000.

What is Dr. Wan-Ting Yang's medical license number?

Dr. Yang holds California license A105149, one of the licenses on file in 2 states.

Which states has Dr. Wan-Ting Yang been licensed in?

Dmand AI has state licenses on file for Dr. Yang in California (2008 to 2026) and Hawaii (2025 to 2026).

Which hospitals is Dr. Wan-Ting Yang affiliated with?

Dr. Yang is affiliated with Fontana Medical Center. Dmand AI links Dr. Yang to 1 more hospital.

What medical group is Dr. Wan-Ting Yang part of?

Dr. Yang is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Yang to 1 more medical group.

Does Dr. Wan-Ting Yang accept Medicare?

Yes. CMS data shows Dr. Yang billed Medicare for 55 services in 2024, and Dr. Yang accepts Medicare assignment.

Does Dr. Wan-Ting Yang offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Yang as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Wan-Ting Yang see?

CMS counts 35 Medicare patients who saw Dr. Yang in 2024, with an average age of 60.

Is Dr. Wan-Ting Yang board certified?

Yes. Dr. Yang is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Wan-Ting Yang bill to Medicare?

In 2024, Dr. Yang's most billed Medicare services were hospital inpatient care (99231) and hospital inpatient care (99221).

Where did Dr. Wan-Ting Yang go to medical school?

Dr. Yang graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2007.

What drugs does Dr. Wan-Ting Yang prescribe most?

In 2024 Medicare Part D data, Dr. Yang's most prescribed drugs by claims were Jardiance, Losartan Potassium and Furosemide.

Has Dr. Wan-Ting Yang received payments from drug or device companies?

CMS Open Payments shows $389 in general payments to Dr. Yang from 4 companies from 2016 to 2019. The largest total came from Relypsa, Inc.

How long has Dr. Wan-Ting Yang been practicing?

Dr. Yang graduated from medical school in 2007, 19 years ago.

Does Dr. Wan-Ting Yang do research?

Dmand AI links 1 publication to Dr. Yang.

Who does Dr. Wan-Ting Yang publish with?

Dr. Yang's most frequent co-authors are Ramy Magdy Hanna, MD (1 shared paper) and Joseph Nabil Riad, MD (1 shared paper).

What insurance does Dr. Wan-Ting Yang accept?

Dr. Yang 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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