Antibodies, Antineutrophil CytoplasmicGlomerulonephritisKidney
Dr. Julia W. Tzeng, MD
NPI1912106634PAC ID4486896248
- Part D claims, 2024
- 20
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $244
- Medical group
- 1
- Practice address
- 9300 Valley Childrens Place, Madera, CA 93636
- Practice phone
- Call (559) 353-5116
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tzeng's professional email, personal email and mobile number
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Dr. Julia W. Tzeng is a pediatric nephrology physician in Madera, California
Dr. Tzeng practices at Valley Children's Hospital in Madera, California, part of Valley Children's Healthcare.
Dr. Tzeng's NPI, 1912106634, was assigned on July 12, 2007. Dr. Tzeng graduated from Tufts University School Of Medicine in 2007. Dr. Tzeng holds California license A106697.
NPI and contact details
- NPI
- 1912106634NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486896248
- NPI enumeration date
- July 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 353-5116
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Julia W. Tzeng practices at Valley Children's Hospital in Madera, California
Dr. Tzeng's primary practice is Valley Children's Hospital, at 9300 Valley Childrens Place, Madera, CA 93636 in Madera County. The practice phone is (559) 353-5116.
- Valley Children's Hospital9300 Valley Childrens Place, Madera, CA 93636 · Madera CountyPhone(559) 353-5116
Source: Dmand AI Affiliation Data
Dr. Julia W. Tzeng is affiliated with 1 site of care and 1 medical group
Dr. Tzeng's primary practice is Valley Children's Hospital in Madera, California, part of Valley Children's Healthcare. The medical group on file is Valley Children's Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Julia W. Tzeng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tzeng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Children's Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Valley Children's Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Julia W. Tzeng is one of 106 pediatric nephrology physicians in California
Pediatric nephrology is Dr. Tzeng's primary specialty in the NPI Registry, under taxonomy code 2080P0210X. Dr. Tzeng is board certified in pediatric nephrology by the American Board of Pediatrics. Dr. Tzeng is licensed in California.
Specialties and state licenses
- Pediatric nephrology, CaliforniaPrimary
Pediatric nephrology physicians near Dr. Tzeng
Counts of pediatric nephrology physicians with a Dmand AI profile, by place and practice. Each opens the list.
106pediatric nephrology physicians in California
4pediatric nephrology physicians in Madera
4pediatric nephrology physicians at Valley Children's HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Julia W. Tzeng's patients have a median age of 14
Across all payers, Dmand AI patient panel data puts Dr. Tzeng's median patient age at 14, with 45% women.
Dr. Tzeng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 14
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Julia W. Tzeng wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Tzeng wrote 20 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $656 in total drug cost. In 2017, CMS named 12 claims across 1 drug.
Part D claims, 202420
Drugs named by CMS2
Total drug cost$656
Dr. Tzeng's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 122018: 26117%
Drugs named by CMS: 2 in 2018, 1 in 2017.
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. Julia W. Tzeng takes part in Medicare
Dr. Tzeng 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. Julia W. Tzeng has 1 publication on record
Dmand AI links 1 paper to Dr. Tzeng in 2022. Dr. Tzeng's most frequent co-authors are Isa Fareed Ashoor, MD, Cheryl P. Sanchez-Kazi, MD and Mohan Shenoy, MD.
Papers1
Dr. Tzeng's most frequent co-authors
- Isa Fareed Ashoor, MD1 shared paper
- Cheryl P. Sanchez-Kazi, MD1 shared paper
- Mohan Shenoy, MD1 shared paper
Recent publications by Dr. Tzeng
See who Dr. Tzeng researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tzeng works with, so you can find a warm path to the right pediatric nephrology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Julia W. Tzeng received $244 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Dr. Tzeng from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 68% of the total. Mallinckrodt Enterprises LLC paid the most, $75.
General payments to Dr. Tzeng by program year, 2016 to 2025
General payments to Dr. Tzeng by kind, 2016 to 2025
$244in total
- Food and beverage$16568%
- Education$7932%
Companies that paid Dr. Tzeng 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. Julia W. Tzeng graduated from Tufts University School Of Medicine
Dr. Tzeng graduated from Tufts University School Of Medicine in 2007.
- Medical school
- Board certified in pediatric nephrology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Julia W. Tzeng accepts plans from 9 insurance carriers
Dr. Tzeng is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Kaiser Permanente
- Regence Health Plans
- Aspirus Health Plan
- +1 more carriersWith a free account
Plan types Dr. Tzeng accepts, by number of carriers
- Medicare6
- PPO6
- POS5
- HMO4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Julia W. Tzeng'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Dr. Julia W. Tzeng
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. Julia W. Tzeng's NPI number?
Dr. Julia W. Tzeng's NPI number is 1912106634. It was assigned on July 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Julia W. Tzeng?
Dr. Julia W. Tzeng is a pediatric nephrology physician in Madera, California. The primary specialty in the NPI Registry is Pediatric Nephrology Physician (taxonomy code 2080P0210X).
Where does Dr. Julia W. Tzeng practice?
Dr. Tzeng practices at 9300 Valley Childrens Place, Madera, CA 93636. Dr. Tzeng's primary practice is Valley Children's Hospital in Madera, California, part of Valley Children's Healthcare.
What is Dr. Julia W. Tzeng's office phone number?
The practice phone on file for Dr. Tzeng is (559) 353-5116.
What is Dr. Julia W. Tzeng's medical license number?
Dr. Tzeng holds California license A106697.
Which hospitals is Dr. Julia W. Tzeng affiliated with?
Dr. Tzeng practices at Valley Children's Hospital in Madera, California.
What medical group is Dr. Julia W. Tzeng part of?
Dr. Tzeng is linked to Valley Children's Medical Group.
Does Dr. Julia W. Tzeng accept Medicare?
Yes. CMS lists Dr. Tzeng as accepting Medicare assignment.
Is Dr. Julia W. Tzeng board certified?
Yes. Dr. Tzeng is board certified in pediatric nephrology by the American Board of Pediatrics.
Where did Dr. Julia W. Tzeng go to medical school?
Dr. Tzeng graduated from Tufts University School Of Medicine in 2007.
Show 6 more questionsShow fewer questions
What drugs does Dr. Julia W. Tzeng prescribe most?
In 2018 Medicare Part D data, Dr. Tzeng's most prescribed drugs by claims were Mycophenolate Mofetil and Nitrofurantoin.
Has Dr. Julia W. Tzeng received payments from drug or device companies?
CMS Open Payments shows $244 in general payments to Dr. Tzeng from 8 companies from 2016 to 2025. The largest total came from Mallinckrodt Enterprises LLC.
How long has Dr. Julia W. Tzeng been practicing?
Dr. Tzeng graduated from medical school in 2007, 19 years ago.
Does Dr. Julia W. Tzeng do research?
Dmand AI links 1 publication to Dr. Tzeng.
Who does Dr. Julia W. Tzeng publish with?
Dr. Tzeng's most frequent co-authors are Isa Fareed Ashoor, MD (1 shared paper), Cheryl P. Sanchez-Kazi, MD (1 shared paper) and Mohan Shenoy, MD (1 shared paper).
What insurance does Dr. Julia W. Tzeng accept?
Dr. Tzeng is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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