Hairan Zhu
Internal Medicine Physician · La Mesa, CA
Hairan Zhu is an internal medicine physician with a practice address in La Mesa, California, and NPI 1336670611, issued on Mar 27, 2017. Check the license (California A157525, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hairan Zhu
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A157525 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3875 Avocado Blvd, La Mesa, CA 91941
- Phone
- (619) 851-0992
- Enumerated
- Mar 27, 2017
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200911002535); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3875 Avocado Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Indushree Ghosh, M.D.Family Medicine Physician1962665711
- Kimberley Glasson, RPHPharmacist1295000537
- Neil Hirschorn, R.PH.Pharmacist1083855019
- Samuel Hu, R.PH.Pharmacist1326216250
- Darcy Mock, M.D.Internal Medicine Physician1427324672
- Theodore Ng, M.D.Pediatrics Physician1689841322
Verify Hairan Zhu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A157525Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% more Medicare Part D claims than the average internal medicine physician in 2024
6,004 Medicare Part D claims for 1,050 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 285 claims were for opioids.
Most prescribed
- Atorvastatin Calcium446 claims
- Amlodipine Besylate262 claims
- Losartan Potassium218 claims
- Levothyroxine Sodium192 claims
- Omeprazole172 claims
- Lisinopril161 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 GroupLa Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hairan Zhu among 17,696 internal medicine physician records in California
Hairan Zhu 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 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2017 · median 2004 among the 11,065 with a school on file
- 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).
61 internal medicine physician records list a practice address in La Mesa
They are 61 of the 2,168 NPPES records with a practice address in La Mesa, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in La Mesa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fatma Deif, M.D.La Mesa, CA 919411538553508
- John Fox, M.D.La Mesa, CA 919411316901408
- Carla Fox, M.D.La Mesa, CA 919411649234733
- Jeanne Gromer, M.D.La Mesa, CA 919411659328169
- Denise Honer, M.D.La Mesa, CA 919411396857496
- Karen Hutchinson, M.D.La Mesa, CA 919411982614301
- Michael Magpile, M.D.La Mesa, CA 919411316988843
- Darcy Mock, M.D.La Mesa, CA 919411427324672
Common questions
What is Hairan Zhu's NPI number?
Hairan Zhu's National Provider Identifier (NPI) is 1336670611, issued on Mar 27, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Hairan Zhu located?
The NPPES record lists a practice address at 3875 Avocado Blvd, La Mesa, CA, 91941. Phone: (619) 851-0992. Providers update this record themselves, so call before visiting.
How can I verify Hairan Zhu's license?
NPPES lists California license number A157525, 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 Hairan Zhu prescribe under Medicare Part D?
In 2024, Hairan Zhu had 6,004 Medicare Part D claims for 1,050 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.