NPPES file of Aug 9, 2026

George Stuart Mendenhall, MD

Cardiovascular Disease Physician · La Jolla, CA

George Stuart Mendenhall, MD is a cardiovascular disease physician with a practice address in La Jolla, California, and NPI 1699925545, issued on Sep 29, 2008. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699925545
Name
George Stuart Mendenhall
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
MD435413 PA
Self-reported in NPPES; status is on the state search
Practice location
9850 Genesee Ave Ste 940, La Jolla, CA 92037
Phone
(858) 658-0020
Enumerated
Sep 29, 2008
Record last updated
Mar 25, 2026
Fax
(858) 457-8653
Medicare enrollment
Enrolled (PECOS I20180220002510); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2003
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9850 Genesee Ave Ste 940

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Cohen, M.D.Clinical Cardiac Electrophysiology Physician1184955767

Verify George Stuart Mendenhall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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39% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

1,870 Medicare Part D claims for 311 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. George Mendenhall1,870
  2. Specialty average3,078

Most prescribed

  1. Eliquis312 claims
  2. Metoprolol Succinate190 claims
  3. Sotalol152 claims
  4. Xarelto110 claims
  5. Flecainide Acetate108 claims
  6. Carvedilol97 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: $2,546.20

38 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. George Mendenhall$2,546.20
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Cardiac Arrhythmia Associates A Medical CorporationLa Jolla, CA
  2. Scripps Cardiology Medical Group, Inc.La Jolla, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

George Stuart Mendenhall among 2,574 cardiovascular disease physician records in California

George Stuart Mendenhall, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 67% of them.

  • NPI issued2008 · 67% of these records are older, 28% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2003 · median 1999 among the 1,742 with a school on file
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

54 cardiovascular disease physician records list a practice address in La Jolla

They are 54 of the 3,648 NPPES records with a practice address in La Jolla, and 2,574 cardiovascular disease physician records in California.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Thomas Ahern, M.D.La Jolla, CA 920371073599858
  2. Linda Couts, N.P.La Jolla, CA 920371851326300
  3. Guy Curtis, M.D., PHDLa Jolla, CA 920371841265683
  4. Douglas Gibson, M.D,La Jolla, CA 920371700838448
  5. Dennis Goodman, M.D.La Jolla, CA 920371235107897
  6. Allen Johnson, M.D.La Jolla, CA 920371891754677
  7. Elizabeth Kaback, M.DLa Jolla, CA 920371689641169
  8. Ernest Pund, MDLa Jolla, CA 920371336181858

Common questions

What is George Stuart Mendenhall, MD's NPI number?

George Stuart Mendenhall, MD's National Provider Identifier (NPI) is 1699925545, issued on Sep 29, 2008. An NPI identifies a provider in billing; it is not a license.

Where is George Stuart Mendenhall, MD located?

The NPPES record lists a practice address at 9850 Genesee Ave Ste 940, La Jolla, CA, 92037. Phone: (858) 658-0020. Providers update this record themselves, so call before visiting.

How can I verify George Stuart Mendenhall, MD's license?

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 George Stuart Mendenhall, MD prescribe under Medicare Part D?

In 2024, George Stuart Mendenhall, MD had 1,870 Medicare Part D claims for 311 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.