Tina Ann Chang
- Medicare services, 2024
- 350
- Medicare patients, 2024
- 175
- Part D claims, 2024
- 63
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 1100 9th Ave, Seattle, WA 98101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Virginia Mason Medical Center - HOPD
Acute Care Hospital outpatient department · Seattle, Washington
Find Tina 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.
Tina Ann Chang is an internist in Seattle, Washington
Tina Chang practices at Virginia Mason Medical Center - HOPD in Seattle, Washington.
Tina Chang's NPI, 1912083635, was assigned on October 27, 2006. Tina Chang graduated from University of Michigan Medical School in 1996. Tina Chang holds Washington license MD00036408.
- NPI
- 1912083635NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951359702
- NPI enumeration date
- October 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tina Ann Chang practices at Virginia Mason Medical Center - HOPD in Seattle, Washington
Tina Chang's primary practice is Virginia Mason Medical Center - HOPD, at 1100 9th Ave, Seattle, WA 98101.
- Virginia Mason Medical Center - HOPD1100 9th Ave, Seattle, WA 98101
Source: Dmand AI Affiliation Data
Tina Ann Chang is affiliated with 4 sites of care and 1 medical group
Tina Chang's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Tina Chang is also affiliated with Virginia Mason Medical Center. The medical group on file is Virginia Mason Medical Center. Dmand AI also links Tina Chang to 1 more group practice or clinic and 1 imaging center, each named with a free account. Tina Chang's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Tina Ann Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tina Chang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Virginia Mason Medical Center - HOPD | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Tina Ann Chang is one of 2,689 internists in Washington
Internal medicine is Tina Chang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Tina Chang is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Tina Chang
Counts of internists 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
Tina Ann Chang billed Medicare for 350 services in 2024
CMS data shows 350 Medicare services from Tina Chang across 5 procedure codes in 2024, for 175 Medicare patients. Medicare paid $31,805 for them. Every service was in a facility, such as a hospital, rather than an office.
Tina Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3652024: 3368%
- Other services
- 2023: 212024: 1433%
Tina Chang compared with the Washington median for internists, 2024
- Tina Chang
- Washington median
- Medicare services
- 350vs 364Close to median
- Medicare patients
- 175vs 1656% above
Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.
Tina 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 Tina Chang and other internists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Tina Ann Chang treated 175 Medicare patients in 2024, average age 76
CMS counts 175 Medicare patients who saw Tina Chang in 2024. The largest group is 75 to 84, with 73 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Tina Chang's median patient age at 75, with 47% women.
Tina Chang's Medicare patients by age, 2024
Tina Chang's Medicare patients by sex, 2024
- Women9152%
- Men8448%
Chronic conditions among Tina Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Heart failure50%
- Chronic kidney disease49%
- Arthritis47%
- Ischemic heart disease46%
- Atrial fibrillation45%
- Diabetes42%
Share of Medicare patients with each condition. A patient can have several.
Tina 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 75
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tina Ann Chang wrote 63 Medicare Part D claims in 2024
In 2024, Tina Chang wrote 63 Medicare Part D claims for 30 patients. 84% of them were for generic drugs.
Tina Chang's Part D claims by kind of drug, 2024
- Generic53 claims84%
- Brand-name and other10 claims16%
Drug classes CMS tracks in Tina Chang's Part D claims, 2024
- Opioids19%12 of 63 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Tina Ann Chang takes part in Medicare
Tina 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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Tina Ann Chang graduated from University of Michigan Medical School
Tina Chang graduated from University of Michigan Medical School in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Tina Ann 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 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 (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) |
| 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 Tina Ann 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 Tina Ann Chang's NPI number?
Tina Ann Chang's NPI number is 1912083635. It was assigned on October 27, 2006, and it is active in the NPI Registry.
What does Tina Ann Chang specialize in?
Tina Ann Chang is an internist in Seattle, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Tina Ann Chang practice?
Tina Chang practices at 1100 9th Ave, Seattle, WA 98101. Tina Chang's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dmand AI also links Tina Chang to 1 group practice or clinic and 1 imaging center.
What is Tina Ann Chang's medical license number?
Tina Chang holds Washington license MD00036408.
Which hospitals is Tina Ann Chang affiliated with?
Tina Chang is affiliated with Virginia Mason Medical Center.
What medical group is Tina Ann Chang part of?
Tina Chang is linked to Virginia Mason Medical Center.
Does Tina Ann Chang accept Medicare?
Yes. CMS data shows Tina Chang billed Medicare for 350 services in 2024, and Tina Chang accepts Medicare assignment.
How many Medicare patients does Tina Ann Chang see?
CMS counts 175 Medicare patients who saw Tina Chang in 2024, with an average age of 76.
What services does Tina Ann Chang bill to Medicare?
In 2024, Tina Chang's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Tina Ann Chang go to medical school?
Tina Chang graduated from University of Michigan Medical School in 1996.
How long has Tina Ann Chang been practicing?
Tina Chang graduated from medical school in 1996, 30 years ago.
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