Bianca W. Chang

  • West Hollywood, CA
  • Gastroenterologist
NPI1396188363PAC ID1254622087
Medicare services, 2024
805
Medicare patients, 2024
393
Part D claims, 2024
126
Publications
18
MIPS score, 2024
93
Practice address
8700 Beverly Blvd, Los Angeles, CA 90048
Practice phone
Call (310) 423-5000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Cedars-Sinai Medical Center

Hospital · Los Angeles, California

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Bianca W. Chang is a gastroenterologist in West Hollywood, California

Bianca Chang practices at Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System.

Bianca Chang's NPI, 1396188363, was assigned on April 9, 2013. Bianca Chang graduated from Cleveland Medical College, Homeopathic in 2013. Bianca Chang holds California license A135294.

NPI and contact details
Medicare PAC ID
1254622087
NPI enumeration date
April 9, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 423-5000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
39
Medical school graduation
2013

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

Bianca W. Chang practices at Cedars-Sinai Medical Center in Los Angeles, California

Bianca Chang's primary practice is Cedars-Sinai Medical Center, at 8700 Beverly Blvd, Los Angeles, CA 90048 in Los Angeles County. The practice phone is (310) 423-5000.

Source: Dmand AI Affiliation Data

Bianca W. Chang is affiliated with 2 sites of care and 1 medical group

Bianca Chang's primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. Bianca Chang is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is Cedars-Sinai Medical Center.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Bianca W. Chang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Bianca Chang practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cedars-Sinai Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Bianca W. Chang is one of 1,977 gastroenterologists in California

Gastroenterology is Bianca Chang's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Bianca Chang is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Bianca Chang's licenses on file in 3 states: California, Oregon and Illinois.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A135294 · 2015 to 2027 · taxonomy 207RG0100X
  • Oregon license2021 to 2022
  • Illinois licenseLicense 036.140821 · 2016 to 2020

Clinical focus

Dmand AI lists acid reflux, colonoscopy, gastroenteritis, irritable bowel syndrome (IBS) and upper GI endoscopy among the conditions Bianca Chang treats.

Gastroenterologists near Bianca Chang

Counts of gastroenterologists 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

Bianca W. Chang billed Medicare for 805 services in 2024

CMS data shows 805 Medicare services from Bianca Chang across 12 procedure codes in 2024, for 393 Medicare patients. Medicare paid $39,962 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024805
Medicare patients393
Paid by Medicare$39,962
Procedure codes12

Bianca Chang's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 4732024: 52210%
Office and hospital visits
2023: 1722024: 28365%

Bianca Chang compared with the California median for gastroenterologists, 2024

  • Bianca Chang
  • California median
Medicare services
805vs 58637% above
Medicare patients
393vs 30230% above
Part D claims
21vs 38094% below

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Bianca Chang'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 Bianca Chang

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

Bianca W. Chang treated 393 Medicare patients in 2024, average age 72

CMS counts 393 Medicare patients who saw Bianca Chang in 2024. The largest group is 65 to 74, with 184 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Bianca Chang's median patient age at 63, with 67% women.

Medicare patients, 2024393
Average age72
Average risk score1.59
Also on Medicaid22%

Bianca Chang's Medicare patients by age, 2024

Bianca Chang's Medicare patients by sex, 2024

  • Women25164%
  • Men14236%

Chronic conditions among Bianca Chang's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure66%
  3. Arthritis64%
  4. Ischemic heart disease41%
  5. Anxiety38%
  6. Osteoporosis34%
  7. Mood disorders33%
  8. Depression30%

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

Bianca Chang's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women67%
  • Men32%

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

Bianca W. Chang wrote 126 Medicare Part D claims in 2024

In 2024, Bianca Chang wrote 126 Medicare Part D claims for 46 patients. 47% of them were for generic drugs. CMS names the drug for 21 of them, across 1 drug with 11 or more claims each, at $15,993 in total drug cost. In 2023, CMS named 50 claims across 3 drugs.

Part D claims, 2024126
Drugs named by CMS1
Total drug cost$15,993
Part D patients46

Bianca Chang's Part D claims by kind of drug, 2024

  • Generic59 claims47%
  • Brand-name67 claims53%

Bianca Chang'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 Bianca Chang's Part D claims, 2024

  • Antibiotics13%17 of 126 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: 502024: 2158%

Drugs named by CMS: 1 in 2024, 3 in 2023.

See all prescribing by Bianca Chang

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

Bianca W. Chang scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Bianca Chang for performance year 2024, reported as part of a group. Bianca Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Bianca Chang as offering telehealth. CMS counts 27 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Bianca Chang, more than 54% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Bianca Chang's MIPS scores, performance year 2024

  • 93of 100Final score
  • 77.8of 100Quality
  • 98of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Bianca Chang ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
54th percentile27 procedures
Colonoscopy
43rd percentile13 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Bianca W. Chang has 18 publications on record

Dmand AI links 18 papers to Bianca Chang, published from 2011 to 2024. 2015 was the busiest year, with 2. The most frequent topics are Aminocaproic Acid, Binding, Competitive and Biogenic Amines. Bianca Chang has published most often in J Biol Chem. Bianca Chang's most frequent co-authors are Ali Rezaie, Yin Chan, MD and Aung Kaung, MD.

Papers18
Years published2011 to 2024

Bianca Chang's papers by year, 2011 to 2024

Topics Bianca Chang writes about most

  • Aminocaproic Acid
  • Binding, Competitive
  • Biogenic Amines
  • Kinetics
  • Recombinant Proteins

Bianca Chang's most frequent co-authors

Recent publications by Bianca Chang

See all 18 publications and co-authors

See who Bianca Chang researches with

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

How network discovery works

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

Bianca W. Chang received $5,354 in industry payments from 2016 to 2025

CMS Open Payments shows 57 general payments to Bianca Chang from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. Enterra Medical, Inc. paid the most, $1,239.

General payments to Bianca Chang by program year, 2016 to 2025

General payments to Bianca Chang by kind, 2016 to 2025

$5.4Kin total
  • Food and beverage$3,72970%
  • Grants$80015%
  • Travel and lodging$4719%
  • Consulting fees$2004%
  • Other$1543%

Companies that paid Bianca Chang the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Bianca Chang

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

Bianca W. Chang graduated from Cleveland Medical College, Homeopathic

Bianca Chang graduated from Cleveland Medical College, Homeopathic in 2013.

  1. Medical schoolCleveland Medical College, Homeopathic
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Bianca W. Chang accepts plans from 12 insurance carriers

Bianca Chang is in network with 12 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Excellus BlueCross BlueShield
  • United Healthcare
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +4 more carriersWith a free account

Plan types Bianca Chang accepts, by number of carriers

  1. PPO8
  2. HMO7
  3. EPO4
  4. Medicare4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Bianca W. Chang'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 Bianca W. 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 Bianca W. Chang's NPI number?

Bianca W. Chang's NPI number is 1396188363. It was assigned on April 9, 2013, and it is active in the NPI Registry.

What does Bianca W. Chang specialize in?

Bianca W. Chang is a gastroenterologist in West Hollywood, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Bianca W. Chang practice?

Bianca Chang practices at 8700 Beverly Blvd, Los Angeles, CA 90048. Bianca Chang's primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System.

What is Bianca W. Chang's office phone number?

The practice phone on file for Bianca Chang is (310) 423-5000.

What is Bianca W. Chang's medical license number?

Bianca Chang holds California license A135294, one of the licenses on file in 3 states.

Which states has Bianca W. Chang been licensed in?

Dmand AI has state licenses on file for Bianca Chang in California (2015 to 2027), Oregon (2021 to 2022) and Illinois (2016 to 2020).

Which hospitals is Bianca W. Chang affiliated with?

Bianca Chang practices at Cedars-Sinai Medical Center in Los Angeles, California. Bianca Chang is also affiliated with Ronald Reagan UCLA Medical Center.

What medical group is Bianca W. Chang part of?

Bianca Chang is linked to Cedars-Sinai Medical Center.

Does Bianca W. Chang accept Medicare?

Yes. CMS data shows Bianca Chang billed Medicare for 805 services in 2024, and Bianca Chang accepts Medicare assignment.

Does Bianca W. Chang offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Bianca Chang as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Bianca W. Chang's MIPS score?

Bianca Chang's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

How many Medicare patients does Bianca W. Chang see?

CMS counts 393 Medicare patients who saw Bianca Chang in 2024, with an average age of 72.

Is Bianca W. Chang board certified?

Yes. Bianca Chang is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Bianca W. Chang bill to Medicare?

In 2024, Bianca Chang's most billed Medicare services were digestive system test (91065), office visit, established patient (99215) and hospital inpatient care (99232).

Where did Bianca W. Chang go to medical school?

Bianca Chang graduated from Cleveland Medical College, Homeopathic in 2013.

What drugs does Bianca W. Chang prescribe most?

In 2024 Medicare Part D data, Bianca Chang's most prescribed drugs by claims were Linzess.

Has Bianca W. Chang received payments from drug or device companies?

CMS Open Payments shows $5,354 in general payments to Bianca Chang from 13 companies from 2016 to 2025. The largest total came from Enterra Medical, Inc.

How long has Bianca W. Chang been practicing?

Bianca Chang graduated from medical school in 2013, 13 years ago.

Does Bianca W. Chang do research?

Dmand AI links 18 publications to Bianca Chang, published from 2011 to 2024.

Who does Bianca W. Chang publish with?

Bianca Chang's most frequent co-authors are Ali Rezaie (7 shared papers), Yin Chan, MD (2 shared papers) and Aung Kaung, MD (2 shared papers).

What insurance does Bianca W. Chang accept?

Bianca Chang is in network with 12 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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