Dr. Zejin Zhu, MD
- Part D claims, 2024
- 1,874
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 9455 Clairemont Mesa Blvd, San Diego, CA 92123
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente San Diego Medical Center
San Diego, California
Find Dr. Zhu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Zejin Zhu is an internist in San Diego, California
Dr. Zhu practices at Kaiser Permanente San Diego Medical Center in San Diego, California.
Dr. Zhu's NPI, 1881893592, was assigned on July 12, 2007. Dr. Zhu graduated from Beijing Medical University in 1996. Dr. Zhu's California license number on file is A101488.
- NPI
- 1881893592NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082782651
- NPI enumeration date
- July 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zejin Zhu practices at Kaiser Permanente San Diego Medical Center in San Diego, California
Dr. Zhu's primary practice is Kaiser Permanente San Diego Medical Center, at 9455 Clairemont Mesa Blvd, San Diego, CA 92123 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente San Diego Medical Center9455 Clairemont Mesa Blvd, San Diego, CA 92123 · San Diego CountyPhone(619) 528-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Zejin Zhu is affiliated with 3 sites of care and 1 medical group
Dr. Zhu's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dr. Zhu is also affiliated with Kaiser Permanente San Marcos Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Zhu to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Zejin Zhu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Diego Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zejin Zhu is one of 16,751 internists in California
Internal medicine is Dr. Zhu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zhu is board certified in rheumatology by the American Board of Internal Medicine. Dr. Zhu has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Zhu
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Zejin Zhu's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Zhu's median patient age at 61, with 78% women.
Dr. Zhu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women78%
- Men22%
Source: Dmand AI Patient Panel Data
Dr. Zejin Zhu wrote 1,874 Medicare Part D claims in 2024
In 2024, Dr. Zhu wrote 1,874 Medicare Part D claims for 481 patients. 72% of them were for generic drugs. CMS names the drug for 1,766 of them, across 23 drugs with 11 or more claims each, at $993,431 in total drug cost. In 2023, CMS named 1,664 claims across 22 drugs.
Dr. Zhu's Part D claims by kind of drug, 2024
- Generic1,352 claims72%
- Brand-name522 claims28%
Dr. Zhu's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Zhu's Part D claims, 2024
- Opioids1%11 of 1,874 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6642024: 1,7666%
Drugs named by CMS: 23 in 2024, 22 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Zejin Zhu takes part in Medicare
Dr. Zhu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Zejin Zhu graduated from Beijing Medical University
Dr. Zhu graduated from Beijing Medical University in 1996. Dr. Zhu is a member of ACR and ACR.
- Medical school
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Zejin Zhu accepts plans from 2 insurance carriers
Dr. Zhu is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Zhu accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Zejin Zhu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Zejin Zhu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Zejin Zhu's NPI number?
Dr. Zejin Zhu's NPI number is 1881893592. It was assigned on July 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Zejin Zhu?
Dr. Zejin Zhu is an internist in San Diego, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Zejin Zhu practice?
Dr. Zhu practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. Dr. Zhu's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dmand AI also links Dr. Zhu to 1 group practice or clinic.
What is Dr. Zejin Zhu's office phone number?
The practice phone on file for Dr. Zhu is (619) 528-5000.
What is Dr. Zejin Zhu's medical license number?
Dr. Zhu's California license number on file is A101488.
Which hospitals is Dr. Zejin Zhu affiliated with?
Dr. Zhu is affiliated with Kaiser Permanente San Marcos Medical Center.
What medical group is Dr. Zejin Zhu part of?
Dr. Zhu is linked to Southern California Permanente Medical Group.
Does Dr. Zejin Zhu accept Medicare?
Yes. CMS lists Dr. Zhu as accepting Medicare assignment.
Is Dr. Zejin Zhu board certified?
Yes. Dr. Zhu is board certified in rheumatology by the American Board of Internal Medicine.
Where did Dr. Zejin Zhu go to medical school?
Dr. Zhu graduated from Beijing Medical University in 1996.
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What drugs does Dr. Zejin Zhu prescribe most?
In 2024 Medicare Part D data, Dr. Zhu's most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.
How long has Dr. Zejin Zhu been practicing?
Dr. Zhu graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Zejin Zhu accept?
Dr. Zhu is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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