Dr. Shi-Hwa William Chang, MD
- Medicare services, 2022
- 381
- Part D claims, 2021
- 55
- Industry payments
- $239
- Affiliated sites
- 1
- Insurance carriers
- 2
- Practice address
- 12824 Stockholm Way, Truckee, CA 96161
- Practice phone
- Call (209) 596-2266
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Valley Retina P.C.
Physician office · Truckee, 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. Shi-Hwa William Chang is an ophthalmologist in Atlanta, Georgia
Dr. Chang practices at Valley Retina P.C. in Truckee, California.
Dr. Chang's NPI, 1477548667, was assigned on September 14, 2005. Dr. Chang graduated from National Taiwan University College of Medicine in 1984. Dr. Chang holds California license A48531.
- NPI
- 1477548667NPI Registry (opens in a new tab)
- NPI enumeration date
- September 14, 2005
- NPI status
- Active
- Practice phone
- (209) 596-2266
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Shi-Hwa William Chang practices in Truckee and Atlanta
Dr. Chang's primary practice is Valley Retina P.C., at 12824 Stockholm Way, Truckee, CA 96161. The practice phone is (209) 596-2266. The NPI Registry lists Dr. Chang's practice address as 1000 Johnson Ferry NE Rd, Atlanta, GA 30342.
- Valley Retina P.C.Primary12824 Stockholm Way, Truckee, CA 96161Phone(209) 596-2266
- NPI Registry address1000 Johnson Ferry NE Rd, Atlanta, GA 30342 · Fulton CountyPhone(209) 596-2266
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Shi-Hwa William Chang is affiliated with 1 site of care
Dr. Chang's primary practice is Valley Retina P.C. in Truckee, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Shi-Hwa William 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 |
|---|---|
| Valley Retina P.C. | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Shi-Hwa William Chang is one of 484 ophthalmologists in Georgia
Ophthalmology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chang is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Chang's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- New York license
Ophthalmologists near Dr. Chang
Counts of ophthalmologists 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. Shi-Hwa William Chang billed Medicare for 381 services in 2022
CMS data shows 381 Medicare services from Dr. Chang across 5 procedure codes in 2022. Medicare paid $34,757 for them. Every service was in an office.
Dr. Chang's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 2,2732022: 18492%
- Drugs given in the office
- 2021: 1,9262022: 11794%
- Surgery
- 2021: 9362022: 8091%
- Office and hospital visits
- 2021: 192022: 0100%
Dr. Chang compared with the Georgia median for ophthalmologists, 2022
- Dr. Chang
- Georgia median
- Medicare services
- 381vs 1,58676% below
- Part D claims
- 55vs 89194% below
Medians across 477 ophthalmologists in Georgia with Dmand AI profiles that report each measure.
Dr. Chang's most billed Medicare procedure codes, 2022
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 ophthalmologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shi-Hwa William Chang's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 71, with 41% women.
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 71
Patient panel by sex, all payers
- Women41%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. Shi-Hwa William Chang wrote 55 Medicare Part D claims in 2021
In 2021, Dr. Chang wrote 55 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $2,648 in total drug cost. In 2020, CMS named 83 claims across 4 drugs.
Dr. Chang's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 832021: 5534%
Drugs named by CMS: 3 in 2021, 4 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Shi-Hwa William Chang received $239 in industry payments from 2016 to 2020
CMS Open Payments shows 5 general payments to Dr. Chang from 4 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 92% of the total. Alcon Laboratories Inc paid the most, $113.
General payments to Dr. Chang by program year, 2016 to 2020
General payments to Dr. Chang by kind, 2016 to 2020
- Food and beverage$22092%
- Gifts$198%
Companies that paid Dr. Chang the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Shi-Hwa William Chang graduated from National Taiwan University College of Medicine
Dr. Chang graduated from National Taiwan University College of Medicine in 1984.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Shi-Hwa William Chang accepts plans from 2 insurance carriers
Dr. Chang is in network with 2 carriers, including Elevance and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Elevance
- HCSC
Plan types Dr. Chang accepts, by number of carriers
- Medicare2
- PPO2
- EPO1
- HMO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Shi-Hwa William 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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Shi-Hwa William 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. Shi-Hwa William Chang's NPI number?
Dr. Shi-Hwa William Chang's NPI number is 1477548667. It was assigned on September 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Shi-Hwa William Chang?
Dr. Shi-Hwa William Chang is an ophthalmologist in Atlanta, Georgia. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Shi-Hwa William Chang practice?
Dr. Chang practices at 12824 Stockholm Way, Truckee, CA 96161. Dr. Chang also practices at 1000 Johnson Ferry NE Rd, Atlanta, GA 30342. Dr. Chang's primary practice is Valley Retina P.C. in Truckee, California.
What is Dr. Shi-Hwa William Chang's office phone number?
The practice phone on file for Dr. Chang is (209) 596-2266.
What is Dr. Shi-Hwa William Chang's medical license number?
Dr. Chang holds California license A48531, one of the licenses on file in 2 states.
Which states has Dr. Shi-Hwa William Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (1990 to 2026) and New York (1995 to 2009).
Does Dr. Shi-Hwa William Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 381 services in 2022.
Is Dr. Shi-Hwa William Chang board certified?
Yes. Dr. Chang is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Shi-Hwa William Chang bill to Medicare?
In 2022, Dr. Chang's most billed Medicare services were injected or infused drug (J7999), eye exam or test (92012) and eye exam or test (92134).
Where did Dr. Shi-Hwa William Chang go to medical school?
Dr. Chang graduated from National Taiwan University College of Medicine in 1984.
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What drugs does Dr. Shi-Hwa William Chang prescribe most?
In 2021 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Ketorolac Tromethamine, Prednisolone Acetate and Timolol Maleate.
Has Dr. Shi-Hwa William Chang received payments from drug or device companies?
CMS Open Payments shows $239 in general payments to Dr. Chang from 4 companies from 2016 to 2020. The largest total came from Alcon Laboratories Inc.
How long has Dr. Shi-Hwa William Chang been practicing?
Dr. Chang graduated from medical school in 1984, 42 years ago.
What insurance does Dr. Shi-Hwa William Chang accept?
Dr. Chang is in network with 2 carriers, including Elevance and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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