Qinwen Zhou, MD
Internal Medicine Physician · Encinitas, CA
Qinwen Zhou, MD is an internal medicine physician with a practice address in Encinitas, California, and NPI 1912403163, issued on Apr 4, 2018. Check the license (California A164101, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Qinwen Zhou
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A164101 CA
Self-reported in NPPES; status is on the state search - Practice location
- 662 Encinitas Blvd Ste 220, Encinitas, CA 92024
- Phone
- (760) 230-2251
- Enumerated
- Apr 4, 2018
- Record last updated
- May 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (760) 633-7879
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 662 Encinitas Blvd Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chloe Roche, NPAcute Care Nurse Practitioner1386382224
Verify Qinwen Zhou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
99 Medicare Part D claims for 32 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of 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.
Qinwen Zhou among 17,696 internal medicine physician records in California
Qinwen Zhou, 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2021 · 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).
63 internal medicine physician records list a practice address in Encinitas
They are 63 of the 1,874 NPPES records with a practice address in Encinitas, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Encinitas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sonia Ahuja, M.D.Encinitas, CA 920241528059490
- Robert Bickerton, M.D.Encinitas, CA 920241992778765
- Dolly Doctor, MDEncinitas, CA 920241205871456
- Taiye Gilles, M.D.Encinitas, CA 920241841232733
- Robert Huang, M.D.Encinitas, CA 920241164423851
- James Labelle, M.D.Encinitas, CA 920241750381372
- Robert Matorin, M.D.Encinitas, CA 920241972525343
- Alexie Nguyen, M.D.Encinitas, CA 920241659367613
Common questions
What is Qinwen Zhou, MD's NPI number?
Qinwen Zhou, MD's National Provider Identifier (NPI) is 1912403163, issued on Apr 4, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Qinwen Zhou, MD located?
The NPPES record lists a practice address at 662 Encinitas Blvd Ste 220, Encinitas, CA, 92024. Phone: (760) 230-2251. Providers update this record themselves, so call before visiting.
How can I verify Qinwen Zhou, MD's license?
NPPES lists California license number A164101, 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 Qinwen Zhou, MD prescribe under Medicare Part D?
In 2024, Qinwen Zhou, MD had 99 Medicare Part D claims for 32 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.