Dr. Ronald H. Yang, MD
- Part D claims, 2024
- 53
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 14
- State licenses
- 2
- Practice address
- 2021 Main Street, Oakley, CA 94561
- Practice phone
- Call (925) 776-8200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
La Clínica Oakley
FQHC - Main Site · Oakley, California
Find Dr. Yang'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. Ronald H. Yang is an internist in Oakley, California
Dr. Yang practices at La Clínica Oakley in Oakley, California.
Dr. Yang's NPI, 1083792147, was assigned on November 2, 2006. Dr. Yang graduated from University Institute of Medicine 1 in 1984. Dr. Yang holds California license A56410.
- NPI
- 1083792147NPI Registry (opens in a new tab)
- NPI enumeration date
- November 2, 2006
- NPI status
- Active
- Practice phone
- (925) 776-8200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ronald H. Yang practices at La Clínica Oakley in Oakley, California
Dr. Yang's primary practice is La Clínica Oakley, at 2021 Main Street, Oakley, CA 94561 in Contra Costa County. The practice phone is (925) 776-8200.
- La Clínica Oakley2021 Main Street, Oakley, CA 94561 · Contra Costa CountyPhone(925) 776-8200
Source: Dmand AI Affiliation Data
Dr. Ronald H. Yang is affiliated with 1 site of care and 1 medical group
Dr. Yang's primary practice is La Clínica Oakley in Oakley, California. The medical group on file is Asian Health Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ronald H. Yang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| La Clínica Oakley | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald H. 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 board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Yang's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
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. Ronald H. Yang's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Yang's median patient age at 60, with 51% women.
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 60
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Ronald H. Yang wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Yang wrote 53 Medicare Part D claims for 27 patients. 79% of them were for generic drugs. They cover 13 drugs, with $9,354 in total drug cost. In 2020, CMS named 5,860 claims across 65 drugs.
Dr. Yang's Part D claims by kind of drug, 2024
- Generic42 claims79%
- Brand-name11 claims21%
Dr. Yang's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 5,8602021: 36894%
Drugs named by CMS: 13 in 2021, 65 in 2020.
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
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Dr. Ronald H. Yang graduated from University Institute of Medicine 1
Dr. Yang graduated from University Institute of Medicine 1 in 1984.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ronald H. Yang accepts plans from 14 insurance carriers
Dr. Yang is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Yang accepts, by number of carriers
- PPO9
- HMO6
- Medicare6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Ronald H. 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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Ronald H. 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. Ronald H. Yang's NPI number?
Dr. Ronald H. Yang's NPI number is 1083792147. It was assigned on November 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald H. Yang?
Dr. Ronald H. Yang is an internist in Oakley, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ronald H. Yang practice?
Dr. Yang practices at 2021 Main Street, Oakley, CA 94561. Dr. Yang's primary practice is La Clínica Oakley in Oakley, California.
What is Dr. Ronald H. Yang's office phone number?
The practice phone on file for Dr. Yang is (925) 776-8200.
What is Dr. Ronald H. Yang's medical license number?
Dr. Yang holds California license A56410, one of the licenses on file in 2 states.
Which states has Dr. Ronald H. Yang been licensed in?
Dmand AI has state licenses on file for Dr. Yang in California (1996 to 2026) and New York (1999 to 2023).
What medical group is Dr. Ronald H. Yang part of?
Dr. Yang is linked to Asian Health Services.
Is Dr. Ronald H. Yang board certified?
Yes. Dr. Yang is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Ronald H. Yang go to medical school?
Dr. Yang graduated from University Institute of Medicine 1 in 1984.
What drugs does Dr. Ronald H. Yang prescribe most?
In 2021 Medicare Part D data, Dr. Yang's most prescribed drugs by claims were Atenolol, Atorvastatin Calcium and Amlodipine Besylate.
How long has Dr. Ronald H. Yang been practicing?
Dr. Yang graduated from medical school in 1984, 42 years ago.
What insurance does Dr. Ronald H. Yang accept?
Dr. Yang is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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