Dr. Chia P. Yang, MD
- Medicare services, 2024
- 14
- Medicare patients, 2024
- 14
- Part D claims, 2022
- 12
- Hospital affiliations
- 2
- Industry payments
- $22
- Practice address
- 9333 Imperial Highway, Downey, CA 90242
- Practice phone
- Call (562) 461-6007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yang's professional email, personal email and mobile number
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Dr. Chia P. Yang is an internist in Downey, California
Dr. Yang practices at Downey Medical Center in Downey, California, part of Kaiser Permanente.
Dr. Yang's NPI, 1508026170, was assigned on June 16, 2008. Dr. Yang holds Arizona license R70156.
- NPI
- 1508026170NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658543285
- NPI enumeration date
- June 16, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 461-6007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chia P. Yang practices at Downey Medical Center in Downey, California
Dr. Yang's primary practice is Downey Medical Center, at 9333 Imperial Highway, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 461-6007.
- Downey Medical Center9333 Imperial Highway, Downey, CA 90242 · Los Angeles CountyPhone(562) 461-6007
Source: Dmand AI Affiliation Data
Dr. Chia P. Yang is affiliated with 3 sites of care and 1 medical group
Dr. Yang's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dr. Yang is also affiliated with Select Specialty Hospital - Phoenix. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Yang to 1 more breast imaging center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chia P. Yang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Downey Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chia P. Yang is one of 16,751 internists in California
Internal medicine is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Yang is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Yang
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
Dr. Chia P. Yang billed Medicare for 14 services in 2024
CMS data shows 14 Medicare services from Dr. Yang across 1 procedure code in 2024, for 14 Medicare patients. Medicare paid $1,504 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Yang's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 162024: 1413%
Dr. Yang compared with the California median for internists, 2024
- Dr. Yang
- California median
- Medicare services
- 14vs 36196% below
- Medicare patients
- 14vs 15191% below
- Part D claims
- 12vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Yang'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.
Need commercial claims for Dr. Yang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yang and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chia P. Yang treated 14 Medicare patients in 2024, average age 75
CMS counts 14 Medicare patients who saw Dr. Yang in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 5.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Yang's median patient age at 66, with 63% women.
Chronic conditions among Dr. Yang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chia P. Yang wrote 12 Medicare Part D claims in 2022
In 2022, Dr. Yang wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $88 in total drug cost. In 2017, CMS named 11 claims across 1 drug.
Dr. Yang's most prescribed drugs by claims, 2022
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, 2017 to 2022
- 2017
- 2022
- Claims for drugs CMS names
- 2017: 112022: 129%
Drugs named by CMS: 1 in 2022, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Chia P. Yang takes part in Medicare
Dr. Yang 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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Dr. Chia P. Yang received $22 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Yang from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $22.
Companies that paid Dr. Yang 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 Dr. Chia P. Yang'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 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) |
| 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 Dr. Chia P. Yang
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. Chia P. Yang's NPI number?
Dr. Chia P. Yang's NPI number is 1508026170. It was assigned on June 16, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Chia P. Yang?
Dr. Chia P. Yang is an internist in Downey, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chia P. Yang practice?
Dr. Yang practices at 9333 Imperial Highway, Downey, CA 90242. Dr. Yang's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dmand AI also links Dr. Yang to 1 breast imaging center.
What is Dr. Chia P. Yang's office phone number?
The practice phone on file for Dr. Yang is (562) 461-6007.
What is Dr. Chia P. Yang's medical license number?
Dr. Yang holds Arizona license R70156.
Which hospitals is Dr. Chia P. Yang affiliated with?
Dr. Yang practices at Downey Medical Center in Downey, California. Dr. Yang is also affiliated with Select Specialty Hospital - Phoenix.
What medical group is Dr. Chia P. Yang part of?
Dr. Yang is linked to Southern California Permanente Medical Group.
Does Dr. Chia P. Yang accept Medicare?
Yes. CMS data shows Dr. Yang billed Medicare for 14 services in 2024, and Dr. Yang accepts Medicare assignment.
How many Medicare patients does Dr. Chia P. Yang see?
CMS counts 14 Medicare patients who saw Dr. Yang in 2024, with an average age of 75.
What services does Dr. Chia P. Yang bill to Medicare?
In 2024, Dr. Yang's most billed Medicare services were hospital inpatient care (99222).
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What drugs does Dr. Chia P. Yang prescribe most?
In 2022 Medicare Part D data, Dr. Yang's most prescribed drugs by claims were Clonazepam.
Has Dr. Chia P. Yang received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Dr. Yang from 1 company from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Chia P. Yang been practicing?
Dr. Yang graduated from medical school in 2000, 26 years ago.
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