Blast InjuriesExplosive AgentsEye Burns
Dr. Ingrid Tina Chang, MD
NPI1457619264PAC ID0042456188
- Medicare services, 2023
- 17
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 1,762
- Publications
- 3
- Industry payments
- $1,152
- Practice address
- 125 16th E Ave, Seattle, WA 98112
- Practice phone
- Call (509) 241-7349
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Foundation Health Plan of Washington
Seattle, Washington
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. Ingrid Tina Chang is an ophthalmologist in Seattle, Washington
Dr. Chang practices at Kaiser Foundation Health Plan of Washington in Seattle, Washington.
Dr. Chang's NPI, 1457619264, was assigned on April 30, 2012. Dr. Chang graduated from Boston University School of Medicine in 2012. Dr. Chang holds Washington license A143072.
NPI and contact details
- NPI
- 1457619264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042456188
- NPI enumeration date
- April 30, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (509) 241-7349
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ingrid Tina Chang practices at Kaiser Foundation Health Plan of Washington in Seattle, Washington
Dr. Chang's primary practice is Kaiser Foundation Health Plan of Washington, at 125 16th E Ave, Seattle, WA 98112 in King County. The practice phone is (509) 241-7349.
- Kaiser Foundation Health Plan of Washington125 16th E Ave, Seattle, WA 98112 · King CountyPhone(509) 241-7349
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ingrid Tina Chang is affiliated with 2 sites of care and 1 medical group
Dr. Chang's primary practice is Kaiser Foundation Health Plan of Washington in Seattle, Washington. The medical group on file is Washington Permanente Medical Group, P.C. Dmand AI also links Dr. Chang to 1 more group practice or clinic, named with a free account.
Kaiser Foundation Health Plan of WashingtonPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ingrid Tina 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 |
|---|---|
| Kaiser Foundation Health Plan of Washington | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Chang practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ingrid Tina Chang is one of 407 ophthalmologists in Washington
Ophthalmology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chang is licensed in Washington.
Specialties and state licenses
- Ophthalmology, WashingtonPrimary
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. Ingrid Tina Chang billed Medicare for 17 services in 2023
CMS data shows 17 Medicare services from Dr. Chang across 1 procedure code in 2023, for 19 Medicare patients. Medicare paid $1,476 for them. Every service was in an office.
Medicare services, 202317
Medicare patients19
Paid by Medicare$1,476
Procedure codes1
Dr. Chang's Medicare services by type, 2020 to 2023
- 2020
- 2023
- Tests and treatments
- 2020: 152023: 1713%
Dr. Chang compared with the Washington median for ophthalmologists, 2023
- Dr. Chang
- Washington median
- Medicare services
- 17vs 1,40999% below
- Medicare patients
- 19vs 50896% below
- Part D claims
- 1,669vs 5373.1 times
Medians across 418 ophthalmologists in Washington with Dmand AI profiles that report each measure.
Dr. Chang's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other ophthalmologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ingrid Tina Chang treated 19 Medicare patients in 2024, average age 75
CMS counts 19 Medicare patients who saw Dr. Chang in 2024. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 68, with 78% women.
Medicare patients, 202419
Average age75
Average risk score0.88
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 68
Patient panel by sex, all payers
- Women78%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ingrid Tina Chang wrote 1,762 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 1,762 Medicare Part D claims for 395 patients. 83% of them were for generic drugs. CMS names the drug for 1,669 of them, across 13 drugs with 11 or more claims each, at $59,406 in total drug cost. In 2023, CMS named 1,546 claims across 13 drugs.
Part D claims, 20241,762
Drugs named by CMS13
Total drug cost$59,406
Part D patients395
Dr. Chang's Part D claims by kind of drug, 2024
- Generic1,469 claims83%
- Brand-name293 claims17%
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: 1,5462024: 1,6698%
Drugs named by CMS: 13 in 2024, 13 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. Ingrid Tina Chang takes part in Medicare
Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Find ophthalmologists like Dr. Chang by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ingrid Tina Chang has 3 publications on record
Dmand AI links 3 papers to Dr. Chang in 2016. The most frequent topics are Visual Acuity. Dr. Chang's most frequent co-authors are Philip P. Chen, MD, Divakar Gupta, MD and Mark Armando Prendes, MD.
Papers3
Topics Dr. Chang writes about most
- Visual Acuity
Dr. Chang's most frequent co-authors
- Philip P. Chen, MD1 shared paper
- Divakar Gupta, MD1 shared paper
- Mark Armando Prendes, MD1 shared paper
Recent publications by Dr. Chang
CataractCataract ExtractionDrug Implants
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 ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ingrid Tina Chang received $1,152 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Chang from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $443.
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. Ingrid Tina Chang graduated from Boston University School of Medicine
Dr. Chang graduated from Boston University School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ingrid Tina 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 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)Doctors and Clinicians Utilization Data (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 |
| 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. Ingrid Tina 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. Ingrid Tina Chang's NPI number?
Dr. Ingrid Tina Chang's NPI number is 1457619264. It was assigned on April 30, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Ingrid Tina Chang?
Dr. Ingrid Tina Chang is an ophthalmologist in Seattle, Washington. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ingrid Tina Chang practice?
Dr. Chang practices at 125 16th E Ave, Seattle, WA 98112. Dr. Chang's primary practice is Kaiser Foundation Health Plan of Washington in Seattle, Washington. Dmand AI also links Dr. Chang to 1 group practice or clinic.
What is Dr. Ingrid Tina Chang's office phone number?
The practice phone on file for Dr. Chang is (509) 241-7349.
What is Dr. Ingrid Tina Chang's medical license number?
Dr. Chang holds Washington license A143072.
What medical group is Dr. Ingrid Tina Chang part of?
Dr. Chang is linked to Washington Permanente Medical Group, P.C.
Does Dr. Ingrid Tina Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 17 services in 2023, and Dr. Chang accepts Medicare assignment.
How many Medicare patients does Dr. Ingrid Tina Chang see?
CMS counts 19 Medicare patients who saw Dr. Chang in 2024, with an average age of 75.
What services does Dr. Ingrid Tina Chang bill to Medicare?
In 2023, Dr. Chang's most billed Medicare services were eye exam or test (92014).
Where did Dr. Ingrid Tina Chang go to medical school?
Dr. Chang graduated from Boston University School of Medicine in 2012.
Show 5 more questionsShow fewer questions
What drugs does Dr. Ingrid Tina Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Prednisolone Acetate.
Has Dr. Ingrid Tina Chang received payments from drug or device companies?
CMS Open Payments shows $1,152 in general payments to Dr. Chang from 5 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Ingrid Tina Chang been practicing?
Dr. Chang graduated from medical school in 2012, 14 years ago.
Does Dr. Ingrid Tina Chang do research?
Dmand AI links 3 publications to Dr. Chang.
Who does Dr. Ingrid Tina Chang publish with?
Dr. Chang's most frequent co-authors are Philip P. Chen, MD (1 shared paper), Divakar Gupta, MD (1 shared paper) and Mark Armando Prendes, MD (1 shared paper).
Selling to ophthalmology practices?
See ophthalmologists in Washington by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card