Lo-Ping G. Chen, MD
Nephrology Physician · San Diego, CA
Lo-Ping G. Chen, MD is a nephrology physician with a practice address in San Diego, California, and NPI 1932258290, issued on Jan 9, 2007. Check the license (California A64315, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lo-Ping G. Chen
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A64315 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4647 Zion Ave, San Diego, CA 92120
- Phone
- (619) 528-5000
- Enumerated
- Jan 9, 2007
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040617001658); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 4647 Zion Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samy Abdou, MDNeurological Surgery Physician1215085006
- Samvel Abelyan, PHARMDPharmacist1306629928
- Ali Aboutaleb, MDFamily Medicine Physician1821261405
- Patricia Achilly, CNMAdvanced Practice Midwife1932257847
- Linda Adams, PAPhysician Assistant1427174689
- Mette-Margrethe Adkisson, M.D.Emergency Medicine Physician1528288081
Verify Lo-Ping G. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average nephrology physician in 2024
883 Medicare Part D claims for 173 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Calcitriol130 claims
- Sevelamer Carbonate93 claims
- Losartan Potassium60 claims
- Furosemide55 claims
- Amlodipine Besylate51 claims
- Potassium Chloride38 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 GroupSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lo-Ping G. Chen among 1,468 nephrology physician records in California
Lo-Ping G. Chen, MD is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 35% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1996 · median 2001 among the 1,128 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in San Diego → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Hasan Almohsen, MDSan Diego, CA 921201225666704
- Michael Chau, D.O.San Diego, CA 921201588036719
- Patrick Fong, MDSan Diego, CA 921201508925181
- Alexander Kay, MDSan Diego, CA 921201598824187
- Patrick Macapinlac, MDSan Diego, CA 921201619025608
- Shagun Chopra-Sonthalia, M.D.San Diego, CA 921211356312219
- Jay Channick, M.D.Coronado, CA 921181083912869
- Jadwiga Alexiewicz, MDSan Diego, CA 921231760487458
Common questions
What is Lo-Ping G. Chen, MD's NPI number?
Lo-Ping G. Chen, MD's National Provider Identifier (NPI) is 1932258290, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lo-Ping G. Chen, MD located?
The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-5000. Providers update this record themselves, so call before visiting.
How can I verify Lo-Ping G. Chen, MD's license?
NPPES lists California license number A64315, 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 Lo-Ping G. Chen, MD prescribe under Medicare Part D?
In 2024, Lo-Ping G. Chen, MD had 883 Medicare Part D claims for 173 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.