Lily Kao, MD
Rheumatology Physician · San Jose, CA
Lily Kao, MD is a rheumatology physician with a practice address in San Jose, California, and NPI 1578742888, issued on Nov 2, 2007. Check the license (California A100943, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lily Kao
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A100943 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2690 S White RD Ste 50, San Jose, CA 95148
- Phone
- (408) 223-7000
- Enumerated
- Nov 2, 2007
- Record last updated
- Nov 11, 2023
- Fax
- (408) 223-7001
- Medicare enrollment
- Enrolled (PECOS I20110919000623); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2690 S White RD Ste 50
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joselito Cabaccan, MDEndocrinology, Diabetes & Metabolism Physician1801813720
- Vivian DiepPhysician Assistant1487167912
- Thomas Fandel, M.D.Endocrinology, Diabetes & Metabolism Physician1952833931
- Thu Ho, M.D.Pediatric Endocrinology Physician1245437433
- Anjali Jain, M.D.Pediatric Endocrinology Physician1174707392
- Alex Pham, PA-CPhysician Assistant1043813132
Verify Lily Kao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100943Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average rheumatology physician in 2024
2,936 Medicare Part D claims for 340 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Methotrexate618 claims
- Hydroxychloroquine Sulfate227 claims
- Alendronate Sodium184 claims
- Leflunomide149 claims
- Prednisone101 claims
- Enbrel Mini88 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 practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,414.44
173 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- County OF Santa ClaraSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
Other rheumatology physician records in California
- Khurram Abbass, MDSan Jose, CA1154455178
- Mai Abdelnabi, MDSan Francisco, CA1013394980
- Brian Abe, MD, PHDStanford, CA1104262708
- Thomas Abel, MDMonte Sereno, CA1871679399
- Feruza AbraamyanRoseville, CA1124769278
- Thomas Adamson, M.D.San Diego, CA1639187057
- Sana Afroz, MDMoreno Valley, CA1356724074
- Ishita Aggarwal, MDSan Francisco, CA1518385699
- Atul Agrawal, MDAntioch, CA1528146016
- Bikramjit Ahluwalia, MDApple Valley, CA1669402467
Common questions
What is Lily Kao, MD's NPI number?
Lily Kao, MD's National Provider Identifier (NPI) is 1578742888, issued on Nov 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lily Kao, MD located?
The NPPES record lists a practice address at 2690 S White RD Ste 50, San Jose, CA, 95148. Phone: (408) 223-7000. Providers update this record themselves, so call before visiting.
How can I verify Lily Kao, MD's license?
NPPES lists California license number A100943, 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 Lily Kao, MD prescribe under Medicare Part D?
In 2024, Lily Kao, MD had 2,936 Medicare Part D claims for 340 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Lily Kao, MD's MIPS final score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. 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.