Haocheng Cai, DO, PHD
Radiation Oncology Physician · Turlock, CA
Haocheng Cai, DO, PHD is a radiation oncology physician with a practice address in Turlock, California, and NPI 1548882632, issued on May 11, 2020. Check the license (California 20A19859, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Haocheng Cai
- Credential
- DO, PHD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 20A19859 CA
Self-reported in NPPES; status is on the state search - Practice location
- 880 E Tuolumne RD, Turlock, CA 95382
- Phone
- (209) 664-5030
- Enumerated
- May 11, 2020
- Record last updated
- Sep 30, 2025
- Fax
- (209) 664-5037
- Medicare enrollment
- Enrolled (PECOS I20251125004900); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, New York, 2011
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 880 E Tuolumne RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Carmichael, MDSurgery Physician1972564037
- Jincy Clement, M.D.Hematology & Oncology Physician1447484225
- Michelle Digiovanni, NPNurse Practitioner1891932703
- Mohamed Eldaly, M.D.Hematology & Oncology Physician1962501718
Verify Haocheng Cai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A19859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average radiation oncology physician in 2024
22 Medicare Part D claims for 19 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- First Choice Physician PartnersTurlock, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Haocheng Cai among 735 radiation oncology physician records in California
Haocheng Cai, DO, PHD is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 95% of them.
- NPI issued2020 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2011 · median 2005 among the 545 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in Turlock → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Pericles Ioannides, M.D.Sonora, CA 953701386007367
- Frederick David, M.D.Santa Rosa, CA 954031982793808
- Cindy Scharfen, M.D.Santa Rosa, CA 954031861582322
- Michael Chen, M.D.Santa Rosa, CA 954091417104720
- Jorge Garcia-Young, M.D.Modesto, CA 953551902860802
- Eric Ku, MDModesto, CA 953551013478999
- Quoc Luu, M.D.Modesto, CA 953551689692808
- Christopher Neville, M.D.Modesto, CA 953551790743136
Common questions
What is Haocheng Cai, DO, PHD's NPI number?
Haocheng Cai, DO, PHD's National Provider Identifier (NPI) is 1548882632, issued on May 11, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Haocheng Cai, DO, PHD located?
The NPPES record lists a practice address at 880 E Tuolumne RD, Turlock, CA, 95382. Phone: (209) 664-5030. Providers update this record themselves, so call before visiting.
How can I verify Haocheng Cai, DO, PHD's license?
NPPES lists California license number 20A19859, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Haocheng Cai, DO, PHD prescribe under Medicare Part D?
In 2024, Haocheng Cai, DO, PHD had 22 Medicare Part D claims for 19 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.