Qiyuan Dai, MD
Internal Medicine Physician · Lancaster, CA
Qiyuan Dai, MD is an internal medicine physician with a practice address in Lancaster, California, and NPI 1043506728, issued on Jun 22, 2011. Check the license (California A127877, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Qiyuan Dai
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A127877 CA
Self-reported in NPPES; status is on the state search - Practice location
- 45104 10TH St W, Lancaster, CA 93534
- Phone
- (661) 942-2391
- Enumerated
- Jun 22, 2011
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (661) 942-2391
- Medicare enrollment
- Enrolled (PECOS I20161018002617); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 45104 10TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mariya Babyna, M.D.Pediatrics Physician1174848089
- Paola Bautista, CPHWCounselor1013680115
- Oluwamuyiwa Bolonduro, M.DObstetrics & Gynecology Physician1215216965
- Jacob Carpenter, FNP-CFamily Nurse Practitioner1295199263
- Suttirak ChaiwongkarjohnSpecialist1083879084
- Kyriacos Charalambides, M.D.Geriatric Medicine (Internal Medicine) Physician1255589420
Verify Qiyuan Dai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A127877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average internal medicine physician in 2024
4,585 Medicare Part D claims for 675 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. 68 claims were for opioids.
Most prescribed
- Atorvastatin Calcium479 claims
- Amlodipine Besylate236 claims
- Rosuvastatin Calcium235 claims
- Lisinopril215 claims
- Losartan Potassium191 claims
- Levothyroxine Sodium190 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
- Southern California Permanente Medical GroupWoodland Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
55 internal medicine physician records list a practice address in Lancaster
They are 55 of the 4,273 NPPES records with a practice address in Lancaster, and 17,696 internal medicine physician records in California.
All 55 in Lancaster → All 17,696 in California → Every provider in Lancaster →
Other internal medicine physician records in California
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- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Qiyuan Dai, MD's NPI number?
Qiyuan Dai, MD's National Provider Identifier (NPI) is 1043506728, issued on Jun 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Qiyuan Dai, MD located?
The NPPES record lists a practice address at 45104 10TH St W, Lancaster, CA, 93534. Phone: (661) 942-2391. Providers update this record themselves, so call before visiting.
How can I verify Qiyuan Dai, MD's license?
NPPES lists California license number A127877, 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 Qiyuan Dai, MD prescribe under Medicare Part D?
In 2024, Qiyuan Dai, MD had 4,585 Medicare Part D claims for 675 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.