Rock Chen Chun Liu, MD
Surgery Physician · Hayward, CA
Rock Chen Chun Liu, MD is a surgery physician with a practice address in Hayward, California, and NPI 1174601256, issued on Nov 2, 2006. Check the license (California A91143, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rock Chen Chun Liu
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A91143 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27206 Calaroga Ave Ste 206, Hayward, CA 94545
- Phone
- (510) 732-5731
- Enumerated
- Nov 2, 2006
- Record last updated
- Feb 26, 2025
- Fax
- (510) 732-5739
- Medicare enrollment
- Enrolled (PECOS I20051004001112); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 27206 Calaroga Ave Ste 206
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Johanna Ho, PA-CPhysician Assistant1992227805
Verify Rock Chen Chun Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A91143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average surgery physician in 2024
162 Medicare Part D claims for 87 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 77 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen74 claims
- Ibuprofen55 claims
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.
Industry payments in 2024: $222,815.87
276 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Bass Medical GroupAlamo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rock Chen Chun Liu among 3,118 surgery physician records in California
Rock Chen Chun Liu, MD is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1999 · median 2003 among the 1,901 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Hayward → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Charles Binkley, MDHayward, CA 945451124106604
- Malcolm Garfinkle, M.D.Hayward, CA 945451215125638
- Susan Heckmann, MDHayward, CA 945451851479604
- Anthony Chan, M.D.Castro Valley, CA 945461285070235
- Louise Hom, M.D.Castro Valley, CA 945461649275330
- James Lesher, MDCastro Valley, CA 945461689963118
- Yoshitsugu Teramoto, MDCastro Valley, CA 945461447375076
- William Wood, M.D., M.S.Castro Valley, CA 945461821309022
Common questions
What is Rock Chen Chun Liu, MD's NPI number?
Rock Chen Chun Liu, MD's National Provider Identifier (NPI) is 1174601256, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rock Chen Chun Liu, MD located?
The NPPES record lists a practice address at 27206 Calaroga Ave Ste 206, Hayward, CA, 94545. Phone: (510) 732-5731. Providers update this record themselves, so call before visiting.
How can I verify Rock Chen Chun Liu, MD's license?
NPPES lists California license number A91143, 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 Rock Chen Chun Liu, MD prescribe under Medicare Part D?
In 2024, Rock Chen Chun Liu, MD had 162 Medicare Part D claims for 87 beneficiaries; the average among surgery physician prescribers was 147. 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.