Yan Dai, MD
Internal Medicine Physician · Livermore, CA
Yan Dai, MD is an internal medicine physician with a practice address in Livermore, California, and NPI 1740368836, issued on Nov 2, 2006. Check the license (California A71984, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yan Dai
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A71984 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3000 Las Positas RD, Livermore, CA 94551
- Phone
- (925) 243-2600
- Enumerated
- Nov 2, 2006
- Record last updated
- Dec 24, 2024
- Medicaid ID
- 00A719840 CA
- Medicare enrollment
- Enrolled (PECOS I20040407001374); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3000 Las Positas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chandran Arulanandan, MDInternal Medicine Physician1689752784
- Ian Bartos, MDPediatrics Physician1841372836
- Kimberly Becker, LCSWClinical Social Worker1689216707
- Jason Belk, PHARM.D.Pharmacist1609309723
- Aditi Bommireddy, MDObstetrics & Gynecology Physician1205398609
- Patrick Cahill, PTPhysical Therapist1497822803
Verify Yan Dai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A71984Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average internal medicine physician in 2024
4,671 Medicare Part D claims for 502 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 170 claims were for opioids.
Most prescribed
- Atorvastatin Calcium440 claims
- Losartan Potassium330 claims
- Lisinopril198 claims
- Amlodipine Besylate158 claims
- Hydrochlorothiazide158 claims
- Levothyroxine Sodium145 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.
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).
Yan Dai among 17,696 internal medicine physician records in California
Yan Dai, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1996 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Livermore
They are 25 of the 994 NPPES records with a practice address in Livermore, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Livermore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Chandran Arulanandan, MDLivermore, CA 945511689752784
- Timoteo Canio, MDLivermore, CA 945511164594974
- Daniel Combitsis, DOLivermore, CA 945511942346549
- Babita Dhapola, MDLivermore, CA 945511396811873
- Vandana Jain, MDLivermore, CA 945511134271109
- Mehvish Mahmood, M.D.Livermore, CA 945511609217314
- Sheri Morris, MDLivermore, CA 945511588742647
- Andy Nguyen, MDLivermore, CA 945511659450310
Common questions
What is Yan Dai, MD's NPI number?
Yan Dai, MD's National Provider Identifier (NPI) is 1740368836, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yan Dai, MD located?
The NPPES record lists a practice address at 3000 Las Positas RD, Livermore, CA, 94551. Phone: (925) 243-2600. Providers update this record themselves, so call before visiting.
How can I verify Yan Dai, MD's license?
NPPES lists California license number A71984, 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 Yan Dai, MD prescribe under Medicare Part D?
In 2024, Yan Dai, MD had 4,671 Medicare Part D claims for 502 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.