Ya-Ting Chang, PA-C
- Medicare patients, 2024
- 84
- Part D claims, 2024
- 1,173
- Hospital affiliations
- 1
- Industry payments
- $19
- Medical group
- 1
- Practice address
- 2600 Redondo Avenue, Long Beach, CA 90806
- Practice phone
- Call (562) 988-7147
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optum Surgery Center - Long Beach
Surgery Center - Medicare-Certified · Long Beach, California
Find Ya-Ting 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.
Ya-Ting Chang is a physician assistant in Long Beach, California
Ya-Ting Chang practices at Optum Surgery Center - Long Beach in Long Beach, California.
Ya-Ting Chang's NPI, 1801368014, was assigned on December 28, 2018.
- NPI
- 1801368014NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698154383
- NPI enumeration date
- December 28, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (562) 988-7147
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ya-Ting Chang practices at Optum Surgery Center - Long Beach in Long Beach, California
Ya-Ting Chang's primary practice is Optum Surgery Center - Long Beach, at 2600 Redondo Avenue, Long Beach, CA 90806. The practice phone is (562) 988-7147.
- Optum Surgery Center - Long Beach2600 Redondo Avenue, Long Beach, CA 90806Phone(562) 988-7147
Source: Dmand AI Affiliation Data
Ya-Ting Chang is affiliated with 2 sites of care and 1 medical group
Ya-Ting Chang's primary practice is Optum Surgery Center - Long Beach in Long Beach, California. Ya-Ting Chang is also affiliated with Ocean View Psychiatric Health Facility. The medical group on file is Optum - Downtown Los Angeles.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ya-Ting Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ya-Ting Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Optum Surgery Center - Long Beach | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Ya-Ting Chang is one of 11,482 physician assistants in California
Physician assistant is Ya-Ting Chang's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ya-Ting Chang has a license on file in California.
Specialties and state licenses
- Physician assistant, California
Physician assistants near Ya-Ting 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
Ya-Ting Chang treated 84 Medicare patients in 2024, average age 72
CMS counts 84 Medicare patients who saw Ya-Ting Chang in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 20% are also on Medicaid. Their average risk score is 1.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Ya-Ting Chang's median patient age at 64, with 69% women.
Ya-Ting Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Ya-Ting Chang's Medicare patients by sex, 2024
- Women4554%
- Men3946%
Chronic conditions among Ya-Ting Chang's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis44%
- Diabetes39%
- Chronic kidney disease23%
- Mood disorders20%
- Atrial fibrillation18%
- Depression17%
Share of Medicare patients with each condition. A patient can have several.
Ya-Ting 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 64
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ya-Ting Chang wrote 1,173 Medicare Part D claims in 2024
In 2024, Ya-Ting Chang wrote 1,173 Medicare Part D claims for 437 patients. 84% of them were for generic drugs.
Ya-Ting Chang's Part D claims by kind of drug, 2024
- Generic987 claims84%
- Brand-name and other186 claims16%
Drug classes CMS tracks in Ya-Ting Chang's Part D claims, 2024
- Opioids1%12 of 1,173 claims
- Antibiotics6%70 of 1,173 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
Ya-Ting Chang offers telehealth to Medicare patients
Ya-Ting Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Ya-Ting Chang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Ya-Ting Chang received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Ya-Ting Chang from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Insulet Corporation paid the most, $19.
Companies that paid Ya-Ting Chang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Ya-Ting 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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Ya-Ting 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 Ya-Ting Chang's NPI number?
Ya-Ting Chang's NPI number is 1801368014. It was assigned on December 28, 2018, and it is active in the NPI Registry.
What does Ya-Ting Chang specialize in?
Ya-Ting Chang is a physician assistant in Long Beach, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ya-Ting Chang practice?
Ya-Ting Chang practices at 2600 Redondo Avenue, Long Beach, CA 90806. Ya-Ting Chang's primary practice is Optum Surgery Center - Long Beach in Long Beach, California.
What is Ya-Ting Chang's office phone number?
The practice phone on file for Ya-Ting Chang is (562) 988-7147.
Which hospitals is Ya-Ting Chang affiliated with?
Ya-Ting Chang is affiliated with Ocean View Psychiatric Health Facility.
What medical group is Ya-Ting Chang part of?
Ya-Ting Chang is linked to Optum - Downtown Los Angeles.
Does Ya-Ting Chang accept Medicare?
Yes. CMS lists Ya-Ting Chang as accepting Medicare assignment.
Does Ya-Ting Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Ya-Ting Chang as offering telehealth services.
How many Medicare patients does Ya-Ting Chang see?
CMS counts 84 Medicare patients who saw Ya-Ting Chang in 2024, with an average age of 72.
Has Ya-Ting Chang received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Ya-Ting Chang from 1 company from 2025 to 2025. The largest total came from Insulet Corporation.
How long has Ya-Ting Chang been practicing?
Ya-Ting Chang graduated from medical school in 2018, 8 years ago.
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