Charles Jeffrey Kaupke, MD
Nephrology Physician · Orange, CA
Charles Jeffrey Kaupke, MD is a nephrology physician with a practice address in Orange, California, and NPI 1770542920, issued on Mar 17, 2006. Check the license (California G38574, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles Jeffrey Kaupke
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G38574 CA
Self-reported in NPPES; status is on the state search - Practice location
- 705 W LA Veta Ave Ste 107, Orange, CA 92868
- Phone
- (714) 639-4601
- Enumerated
- Mar 17, 2006
- Record last updated
- Mar 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (714) 771-5389
- Medicaid ID
- 00G385740 CA
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 705 W LA Veta Ave Ste 107
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joyce Chung, MSN, AGACNP-BCAcute Care Nurse Practitioner1851944821
- Lucia Clara, NPFamily Nurse Practitioner1225700891
- Amer Jabara, M.D.Nephrology Physician1760475701
- Linh Thong, M.D.Nephrology Physician1154510386
Verify Charles Jeffrey Kaupke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G38574Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nephrology physician in 2024
12 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% 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.
Charles Jeffrey Kaupke among 1,468 nephrology physician records in California
Charles Jeffrey Kaupke, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2019 · 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 Orange → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Fawaz Al Ammary, M.D.Orange, CA 928681992918916
- Cyril Barton, MDOrange, CA 928681588744668
- Jula Inrig, MDOrange, CA 928681740393743
- Amer Jabara, M.D.Orange, CA 928681760475701
- Anna Jin, M.D.Orange, CA 928681285767475
- Kamyar Kalantar-Zadeh, M.D.Orange, CA 928681457314684
- Thu Le, M.D.Orange, CA 928681396846317
- Hamid Moradi, M.D.Orange, CA 928681063553428
Common questions
What is Charles Jeffrey Kaupke, MD's NPI number?
Charles Jeffrey Kaupke, MD's National Provider Identifier (NPI) is 1770542920, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Jeffrey Kaupke, MD located?
The NPPES record lists a practice address at 705 W LA Veta Ave Ste 107, Orange, CA, 92868. Phone: (714) 639-4601. Providers update this record themselves, so call before visiting.
How can I verify Charles Jeffrey Kaupke, MD's license?
NPPES lists California license number G38574, 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 Charles Jeffrey Kaupke, MD prescribe under Medicare Part D?
In 2024, Charles Jeffrey Kaupke, MD had 12 Medicare Part D claims; 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.