Dr. Wen-Shi Chang, MD
- Medicare services, 2024
- 45
- Medicare patients, 2024
- 23
- Part D claims, 2024
- 1,303
- Hospital affiliations
- 1
- Industry payments
- $1,272
- Practice address
- 801 South Chevy Chase Drive, #106, Glendale, CA 91205
- Practice phone
- Call (818) 265-2275
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chevy Chase Surgery Center
Surgery Center - Medicare-Certified · Glendale, California
Find Dr. Chang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Wen-Shi Chang is a family medicine physician in Glendale, California
Dr. Chang practices at Chevy Chase Surgery Center in Glendale, California.
Dr. Chang's NPI, 1508004193, was assigned on February 4, 2009. Dr. Chang graduated from St. George's University School of Medicine in 2008. Dr. Chang's California license number on file is A118395.
- NPI
- 1508004193NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698915478
- NPI enumeration date
- February 4, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 265-2275
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wen-Shi Chang practices at Chevy Chase Surgery Center in Glendale, California
Dr. Chang's primary practice is Chevy Chase Surgery Center, at 801 South Chevy Chase Drive, #106, Glendale, CA 91205. The practice phone is (818) 265-2275.
- Chevy Chase Surgery Center801 South Chevy Chase Drive, #106, Glendale, CA 91205Phone(818) 265-2275
Source: Dmand AI Affiliation Data
Dr. Wen-Shi Chang is affiliated with 3 sites of care and 1 medical group
Dr. Chang's primary practice is Chevy Chase Surgery Center in Glendale, California. Dr. Chang is also affiliated with Adventist Health Glendale. The medical group on file is Comprehensive Community Health Centers. Dmand AI also links Dr. Chang to 1 more community health center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Wen-Shi Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chevy Chase Surgery Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wen-Shi Chang is one of 15,680 family medicine physicians in California
Family medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chang is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Chang's licenses on file in 2 states: California and New Jersey.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- New Jersey license
Clinical focus
Dmand AI lists acute gastroduodenitis, chronic anemia, chronic diabetes, chronic hypertension, diabetic emergency, high cholesterol, joint pain and lower back pain among the conditions Dr. Chang treats.
Family medicine physicians near Dr. Chang
Counts of family medicine physicians 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. Wen-Shi Chang billed Medicare for 45 services in 2024
CMS data shows 45 Medicare services from Dr. Chang across 2 procedure codes in 2024, for 23 Medicare patients. Medicare paid $233 for them. Every service was in an office.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 362024: 4525%
Dr. Chang compared with the California median for family medicine physicians, 2024
- Dr. Chang
- California median
- Medicare services
- 45vs 24682% below
- Medicare patients
- 23vs 11881% below
- Part D claims
- 979vs 83318% above
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wen-Shi Chang treated 23 Medicare patients in 2024, average age 67
CMS counts 23 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 12 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 45, with 73% women.
Dr. Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes74%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 45
Patient panel by sex, all payers
- Women73%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Wen-Shi Chang wrote 1,303 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 1,303 Medicare Part D claims for 127 patients. 83% of them were for generic drugs. CMS names the drug for 979 of them, across 29 drugs with 11 or more claims each, at $82,096 in total drug cost. In 2023, CMS named 657 claims across 23 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic1,087 claims83%
- Brand-name190 claims15%
- Other26 claims2%
Dr. 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6572024: 97949%
Drugs named by CMS: 29 in 2024, 23 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. Wen-Shi Chang takes part in Medicare
Dr. Chang 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. Wen-Shi Chang received $1,272 in industry payments from 2016 to 2025
CMS Open Payments shows 59 general payments to Dr. Chang from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $258.
General payments to Dr. Chang by program year, 2016 to 2025
Companies that paid Dr. Chang 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. Wen-Shi Chang graduated from St. George's University School of Medicine
Dr. Chang graduated from St. George's University School of Medicine in 2008.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Wen-Shi Chang accepts plans from 10 insurance carriers
Dr. Chang is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +2 more carriersWith a free account
Plan types Dr. Chang accepts, by number of carriers
- Medicare9
- HMO6
- PPO6
- POS3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Wen-Shi 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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. Wen-Shi 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. Wen-Shi Chang's NPI number?
Dr. Wen-Shi Chang's NPI number is 1508004193. It was assigned on February 4, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Wen-Shi Chang?
Dr. Wen-Shi Chang is a family medicine physician in Glendale, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Wen-Shi Chang practice?
Dr. Chang practices at 801 South Chevy Chase Drive, #106, Glendale, CA 91205. Dr. Chang's primary practice is Chevy Chase Surgery Center in Glendale, California. Dmand AI also links Dr. Chang to 1 community health center.
What is Dr. Wen-Shi Chang's office phone number?
The practice phone on file for Dr. Chang is (818) 265-2275.
What is Dr. Wen-Shi Chang's medical license number?
Dr. Chang's California license number on file is A118395, one of the licenses on file in 2 states.
Which states has Dr. Wen-Shi Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (2011 to 2025) and New Jersey (2009 to 2013).
Which hospitals is Dr. Wen-Shi Chang affiliated with?
Dr. Chang is affiliated with Adventist Health Glendale.
What medical group is Dr. Wen-Shi Chang part of?
Dr. Chang is linked to Comprehensive Community Health Centers.
Does Dr. Wen-Shi Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 45 services in 2024, and Dr. Chang accepts Medicare assignment.
How many Medicare patients does Dr. Wen-Shi Chang see?
CMS counts 23 Medicare patients who saw Dr. Chang in 2024, with an average age of 67.
Show 7 more questionsShow fewer questions
Is Dr. Wen-Shi Chang board certified?
Yes. Dr. Chang is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Wen-Shi Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were lab and pathology test (82962) and lab and pathology test (83036).
Where did Dr. Wen-Shi Chang go to medical school?
Dr. Chang graduated from St. George's University School of Medicine in 2008.
What drugs does Dr. Wen-Shi Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. Wen-Shi Chang received payments from drug or device companies?
CMS Open Payments shows $1,272 in general payments to Dr. Chang from 18 companies from 2016 to 2025. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Wen-Shi Chang been practicing?
Dr. Chang graduated from medical school in 2008, 18 years ago.
What insurance does Dr. Wen-Shi Chang accept?
Dr. Chang is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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