Stephen Kao Liu, M.D.
Vascular & Interventional Radiology Physician · Modesto, CA
Stephen Kao Liu, M.D. is a vascular & interventional radiology physician with a practice address in Modesto, California, and NPI 1306889860, issued on Jun 13, 2006. Check the license (California A50939, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Kao Liu
- Credential
- M.D.
- Primary taxonomy
- Vascular & Interventional Radiology Physician 2085R0204X
- License number
- A50939 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1552 Coffee RD, Modesto, CA 95355
- Phone
- (209) 524-2333
- Enumerated
- Jun 13, 2006
- Record last updated
- Feb 27, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (209) 524-2142
- Medicare enrollment
- Enrolled (PECOS I20070622000340); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1991
- Entity
- Type 1 · individual
8 nearest vascular & interventional radiology physician records → All 599 in California → Look up another NPI →
Also registered at 1552 Coffee RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pam Grassmidt, RNCAdult Health Nurse Practitioner1073735163
- Nicholas Hopkins, MDObstetrics & Gynecology Physician1528414133
- Adrienne Rivera, NPNurse Practitioner1811594955
- Prudence Ticknor, RDRegistered Dietitian1174920821
- Matthew Tilstra, MDObstetrics & Gynecology Physician1235576638
- Esther Tow-Der, M.D.Obstetrics & Gynecology Physician1427008028
Verify Stephen Kao Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A50939Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average vascular & interventional radiology physician in 2024
69 Medicare Part D claims for 38 beneficiaries, against an average of 75 among the 1,444 providers of this specialty who prescribed in Part D.
Most prescribed
- Clopidogrel27 claims
- Prednisone19 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.
The MIPS final score for 2023 (Medicare payment program): 26.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $99.66
7 payments; by number, the most common kind was food and beverage; the largest payer was Bard Peripheral Vascular, Inc. The 3,457 providers of this specialty with any payment received $7,206.73 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.
Stephen Kao Liu among 599 vascular & interventional radiology physician records in California
Stephen Kao Liu, M.D. is one of 599 vascular & interventional radiology physician records with a practice address in California. 88% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1991 · median 2007 among the 497 with a school on file
- Record last updated2008 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular & Interventional Radiology Physician providers in California
There are 599 vascular & interventional radiology physician records in California.
All 599 in California → Every provider in Modesto → Vascular & Interventional Radiology Physician nationwide →
The 8 vascular & interventional radiology physician records with the nearest ZIP codes
- Damian Caci, M.D.Modesto, CA 953551427339134
- Binh Quach, D.O.Modesto, CA 953551831493261
- Joanne Lim, MDModesto, CA 953561255419081
- Dhairyasheel PatelOakdale, CA 953611568857571
- Samyuktha Balabhadra, MDManteca, CA 953371629506605
- Leonard DalagManteca, CA 953371689043291
- Tarundeep Grewal, MDManteca, CA 953371669964938
- Hai Hoang, MDManteca, CA 953371013478395
Common questions
What is Stephen Kao Liu, M.D.'s NPI number?
Stephen Kao Liu, M.D.'s National Provider Identifier (NPI) is 1306889860, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Kao Liu, M.D. located?
The NPPES record lists a practice address at 1552 Coffee RD, Modesto, CA, 95355. Phone: (209) 524-2333. Providers update this record themselves, so call before visiting.
How can I verify Stephen Kao Liu, M.D.'s license?
NPPES lists California license number A50939, 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 Stephen Kao Liu, M.D. prescribe under Medicare Part D?
In 2024, Stephen Kao Liu, M.D. had 69 Medicare Part D claims for 38 beneficiaries; the average among vascular & interventional radiology physician prescribers was 75. Part D covers Medicare prescriptions only.
What is Stephen Kao Liu, M.D.'s MIPS final score?
The 2023 MIPS final score is 26.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.