Christine Chang

  • Sunnyvale, CA
  • Physician assistant
NPI1093341661PAC ID5890126247
Medicare patients, 2024
139
Part D claims, 2024
136
MIPS score, 2024
95
Hospital affiliations
2
Medical groups
4
Practice address
1291 S Bernardo Avenue, Sunnyvale, CA 94087
Practice phone
Call (408) 245-8070
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Sunnyvale Post-Acute Center

Skilled Nursing Facility · Sunnyvale, California

See all 7 affiliations

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Christine Chang is a physician assistant in Sunnyvale, California

Christine Chang practices at Sunnyvale Post-Acute Center in Sunnyvale, California.

Christine Chang's NPI, 1093341661, was assigned on March 16, 2020. Christine Chang holds California license 57751.

NPI and contact details
Medicare PAC ID
5890126247
NPI enumeration date
March 16, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(408) 245-8070
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
33
Medical school graduation
2019

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

Christine Chang practices at Sunnyvale Post-Acute Center in Sunnyvale, California

Christine Chang's primary practice is Sunnyvale Post-Acute Center, at 1291 S Bernardo Avenue, Sunnyvale, CA 94087 in Santa Clara County. The practice phone is (408) 245-8070.

  • Sunnyvale Post-Acute Center
    1291 S Bernardo Avenue, Sunnyvale, CA 94087 · Santa Clara CountyPhone(408) 245-8070

Source: Dmand AI Affiliation Data

Christine Chang is affiliated with 3 sites of care and 4 medical groups

Christine Chang's primary practice is Sunnyvale Post-Acute Center in Sunnyvale, California. Christine Chang is also affiliated with Santa Clara Valley Medical Center. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Christine Chang to 1 more hospital and 3 medical groups, each named with a free account.

See all 7 affiliations for Christine Chang

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

Dmand AI tracks the EHR system at Christine Chang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Christine Chang practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sunnyvale Post-Acute CenterAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Christine Chang is one of 11,482 physician assistants in California

Physician assistant is Christine Chang's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Christine Chang is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense 57751 · taxonomy 363A00000X

Physician assistants near Christine Chang

Counts of physician assistants 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

Christine Chang treated 139 Medicare patients in 2024, average age 66

CMS counts 139 Medicare patients who saw Christine Chang in 2024. The largest group is 65 to 74, with 53 patients. 68% of them have high blood pressure, and 60% have high cholesterol. 66% 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 Christine Chang's median patient age at 44, with 59% women.

Medicare patients, 2024139
Average age66
Average risk score1.59
Also on Medicaid66%

Christine Chang's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Christine Chang's Medicare patients by sex, 2024

  • Women8360%
  • Men5640%

Chronic conditions among Christine Chang's Medicare patients, 2024

  1. High blood pressure68%
  2. High cholesterol60%
  3. Diabetes36%
  4. Arthritis35%
  5. Anxiety29%
  6. Mood disorders27%
  7. Depression20%
  8. Alcohol and drug use disorders19%

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

Christine 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 44

Patient panel by sex, all payers

  • Women59%
  • Men39%

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

Christine Chang wrote 136 Medicare Part D claims in 2024

In 2024, Christine Chang wrote 136 Medicare Part D claims for 103 patients. 95% of them were for generic drugs.

Part D claims, 2024136
Part D patients103

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

  • Generic129 claims95%
  • Brand-name and other7 claims5%

Drug classes CMS tracks in Christine Chang's Part D claims, 2024

  • Antibiotics29%40 of 136 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

Christine Chang scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Christine Chang for performance year 2024, reported as part of a group. Christine Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Christine Chang's MIPS scores, performance year 2024

  • 95of 100Final score
  • 86.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

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

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

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Sources for Christine 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 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 (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)
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 Christine 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 Christine Chang's NPI number?

Christine Chang's NPI number is 1093341661. It was assigned on March 16, 2020, and it is active in the NPI Registry.

What does Christine Chang specialize in?

Christine Chang is a physician assistant in Sunnyvale, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Christine Chang practice?

Christine Chang practices at 1291 S Bernardo Avenue, Sunnyvale, CA 94087. Christine Chang's primary practice is Sunnyvale Post-Acute Center in Sunnyvale, California. Dmand AI also links Christine Chang to 1 hospital and 3 medical groups.

What is Christine Chang's office phone number?

The practice phone on file for Christine Chang is (408) 245-8070.

What is Christine Chang's medical license number?

Christine Chang holds California license 57751.

Which hospitals is Christine Chang affiliated with?

Christine Chang is affiliated with Santa Clara Valley Medical Center. Dmand AI links Christine Chang to 1 more hospital.

What medical group is Christine Chang part of?

Christine Chang is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI links Christine Chang to 3 more medical groups.

Does Christine Chang accept Medicare?

Yes. CMS lists Christine Chang as accepting Medicare assignment.

What is Christine Chang's MIPS score?

Christine Chang's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.

How many Medicare patients does Christine Chang see?

CMS counts 139 Medicare patients who saw Christine Chang in 2024, with an average age of 66.

How long has Christine Chang been practicing?

Christine Chang graduated from medical school in 2019, 7 years ago.

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