Guy Louis Lund, M.D.
Nephrology Physician · San Diego, CA
Guy Louis Lund, M.D. is a nephrology physician with a practice address in San Diego, California, and NPI 1700859279, issued on Feb 7, 2006. Check the license (California A68839, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Guy Louis Lund
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A68839 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7910 Frost St, San Diego, CA 92123
- Phone
- (858) 637-4700
- Enumerated
- Feb 7, 2006
- Record last updated
- Jan 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (858) 637-4701
- Medicare enrollment
- Enrolled (PECOS I20080103000770); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 7910 Frost St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Abare, NPPediatric Nurse Practitioner1609147651
- Rebecca Adami, M.D.Maternal & Fetal Medicine Physician1992149447
- Jadwiga Alexiewicz, MDNephrology Physician1760487458
- Laura Barba, N.P., M.S., CDE,Family Nurse Practitioner1700099645
- Ryan Barnes, D.O.Surgery Physician1831493501
- Amanda Beaudry, O.D., M.S.Optometrist1477903516
Verify Guy Louis Lund in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A68839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average nephrology physician in 2024
3,929 Medicare Part D claims for 308 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 16 claims were for opioids.
Most prescribed
- Prednisone478 claims
- Losartan Potassium280 claims
- Amlodipine Besylate274 claims
- Atorvastatin Calcium172 claims
- Carvedilol110 claims
- Famotidine110 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.
Industry payments in 2024: $46.11
4 payments; by number, the most common kind was food and beverage; the largest payer was Baxter Healthcare. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Balboa Nephrology Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Guy Louis Lund among 1,468 nephrology physician records in California
Guy Louis Lund, M.D. 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 fileYes · 77% of these records are
- Graduated1997 · 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
- Jadwiga Alexiewicz, MDSan Diego, CA 921231760487458
- Tepsiri Chongkrairatanakul, MDSan Diego, CA 921231982806329
- Arman Faravardeh, M.D., F.A.C.P.San Diego, CA 921231467410019
- Eddie Khav, DOSan Diego, CA 921231659900876
- Kelly Mazurek, M.D.San Diego, CA 921231487915203
- Amir Nejad, M.D.San Diego, CA 921231467683136
- Bijal Patel, M.D.San Diego, CA 921231639266026
- Sina Rahimi, DOSan Diego, CA 921231770056772
Common questions
What is Guy Louis Lund, M.D.'s NPI number?
Guy Louis Lund, M.D.'s National Provider Identifier (NPI) is 1700859279, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guy Louis Lund, M.D. located?
The NPPES record lists a practice address at 7910 Frost St, San Diego, CA, 92123. Phone: (858) 637-4700. Providers update this record themselves, so call before visiting.
How can I verify Guy Louis Lund, M.D.'s license?
NPPES lists California license number A68839, 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 Guy Louis Lund, M.D. prescribe under Medicare Part D?
In 2024, Guy Louis Lund, M.D. had 3,929 Medicare Part D claims for 308 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.