Dr. Stephanie Tzu-Ying Chang, MD
- Medicare services, 2016
- 182
- Publications
- 25
- Hospital affiliations
- 1
- Industry payments
- $69
- Medical groups
- 2
- Practice address
- 3801 Miranda Ave, Palo Alto, CA 94304
- Practice phone
- Call (650) 493-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VA Aplo Alto Health Care System
Palo Alto, California
Find Dr. Chang's professional email, personal email and mobile number
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Dr. Stephanie Tzu-Ying Chang is a diagnostic radiologist in Palo Alto, California
Dr. Chang practices at VA Aplo Alto Health Care System in Palo Alto, California.
Dr. Chang's NPI, 1336427590, was assigned on July 21, 2011. Dr. Chang graduated from UCSF School of Medicine in 2010. Dr. Chang holds California license A121641.
- NPI
- 1336427590NPI Registry (opens in a new tab)
- NPI enumeration date
- July 21, 2011
- NPI status
- Active
- Practice phone
- (650) 493-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Stephanie Tzu-Ying Chang practices at VA Aplo Alto Health Care System in Palo Alto, California
Dr. Chang's primary practice is VA Aplo Alto Health Care System, at 3801 Miranda Ave, Palo Alto, CA 94304 in Santa Clara County. The practice phone is (650) 493-5000.
- VA Aplo Alto Health Care System3801 Miranda Ave, Palo Alto, CA 94304 · Santa Clara CountyPhone(650) 493-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephanie Tzu-Ying Chang is affiliated with 2 sites of care and 2 medical groups
Dr. Chang's primary practice is VA Aplo Alto Health Care System in Palo Alto, California. Dr. Chang is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Chang to 1 more medical group, 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. Stephanie Tzu-Ying Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VA Aplo Alto Health Care System | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephanie Tzu-Ying Chang is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Chang is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Chang's licenses on file in 2 states: California and Missouri.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
- Missouri license
Diagnostic radiologists near Dr. Chang
Counts of diagnostic radiologists 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. Stephanie Tzu-Ying Chang billed Medicare for 182 services in 2016
CMS data shows 182 Medicare services from Dr. Chang across 2 procedure codes in 2016. Medicare paid $1,647 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chang compared with the California median for diagnostic radiologists, 2016
- Dr. Chang
- California median
- Medicare services
- 182vs 2,28192% below
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Chang's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. Stephanie Tzu-Ying Chang has 25 publications on record
Dmand AI links 25 papers to Dr. Chang, published from 2007 to 2023. 2018 was the busiest year, with 3. The most frequent topics are Pancreatic Neoplasms, Magnetic Resonance Imaging and Tomography, X-Ray Computed. Dr. Chang has published most often in Radiology. Dr. Chang's most frequent co-authors are Robert Brooke Jeffrey, MD, Albert C. Koong, MD, PhD and Eric West Olcott, MD.
Dr. Chang's papers by year, 2007 to 2023
Topics Dr. Chang writes about most
- Pancreatic Neoplasms
- Magnetic Resonance Imaging
- Tomography, X-Ray Computed
- Adenocarcinoma
- Algorithms
- Diagnosis, Differential
- Image Enhancement
- Prostatic Neoplasms
Dr. Chang's most frequent co-authors
- Robert Brooke Jeffrey, MD4 shared papers
- Albert C. Koong, MD, PhD4 shared papers
- Eric West Olcott, MD4 shared papers
Recent publications by Dr. Chang
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephanie Tzu-Ying Chang received $69 in industry payments from 2019 to 2024
CMS Open Payments shows 2 general payments to Dr. Chang from 2 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $38.
General payments to Dr. Chang by program year, 2019 to 2024
Companies that paid Dr. Chang the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephanie Tzu-Ying Chang has 8 awards and honors on record
Dmand AI lists 8 awards for Dr. Chang, most recently Roentgen Resident/Fellow Research Award in 2015.
Awards and honors for Dr. Chang
- 2015
- Roentgen Resident/Fellow Research Award
- 2014
- Best Case Award
- Cum Laude Award
- 2008
- Dean’s Prize for Research
- 2007
- Dean’s Summer Research Fellowship
- 2006
- Dean’s Scholarship
Source: Dmand AI Professional Profile Data
Dr. Stephanie Tzu-Ying Chang graduated from UCSF School of Medicine
Dr. Chang graduated from UCSF School of Medicine in 2010.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Stephanie Tzu-Ying Chang accepts plans from 1 insurance carrier
Dr. Chang is in network with 1 carrier, including NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- NV State Medicaid
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephanie Tzu-Ying Chang'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 |
| 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) |
| 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. Stephanie Tzu-Ying Chang
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. Stephanie Tzu-Ying Chang's NPI number?
Dr. Stephanie Tzu-Ying Chang's NPI number is 1336427590. It was assigned on July 21, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephanie Tzu-Ying Chang?
Dr. Stephanie Tzu-Ying Chang is a diagnostic radiologist in Palo Alto, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Stephanie Tzu-Ying Chang practice?
Dr. Chang practices at 3801 Miranda Ave, Palo Alto, CA 94304. Dr. Chang's primary practice is VA Aplo Alto Health Care System in Palo Alto, California. Dmand AI also links Dr. Chang to 1 medical group.
What is Dr. Stephanie Tzu-Ying Chang's office phone number?
The practice phone on file for Dr. Chang is (650) 493-5000.
What is Dr. Stephanie Tzu-Ying Chang's medical license number?
Dr. Chang holds California license A121641, one of the licenses on file in 2 states.
Which states has Dr. Stephanie Tzu-Ying Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (2012 to 2026) and Missouri (2011 to 2012).
Which hospitals is Dr. Stephanie Tzu-Ying Chang affiliated with?
Dr. Chang is affiliated with Stanford Hospital at 300 Pasteur Drive.
What medical group is Dr. Stephanie Tzu-Ying Chang part of?
Dr. Chang is linked to Stanford Health Care. Dmand AI links Dr. Chang to 1 more medical group.
Does Dr. Stephanie Tzu-Ying Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 182 services in 2016.
Is Dr. Stephanie Tzu-Ying Chang board certified?
Yes. Dr. Chang is board certified in diagnostic radiology by the American Board of Radiology.
Show 7 more questionsShow fewer questions
What services does Dr. Stephanie Tzu-Ying Chang bill to Medicare?
In 2016, Dr. Chang's most billed Medicare services were diagnostic imaging (71020) and diagnostic imaging (71010).
Where did Dr. Stephanie Tzu-Ying Chang go to medical school?
Dr. Chang graduated from UCSF School of Medicine in 2010.
Has Dr. Stephanie Tzu-Ying Chang received payments from drug or device companies?
CMS Open Payments shows $69 in general payments to Dr. Chang from 2 companies from 2019 to 2024. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Stephanie Tzu-Ying Chang been practicing?
Dr. Chang graduated from medical school in 2010, 16 years ago.
Does Dr. Stephanie Tzu-Ying Chang do research?
Dmand AI links 25 publications to Dr. Chang, published from 2007 to 2023.
Who does Dr. Stephanie Tzu-Ying Chang publish with?
Dr. Chang's most frequent co-authors are Robert Brooke Jeffrey, MD (4 shared papers), Albert C. Koong, MD, PhD (4 shared papers) and Eric West Olcott, MD (4 shared papers).
What insurance does Dr. Stephanie Tzu-Ying Chang accept?
Dr. Chang is in network with 1 carrier, including NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
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