Dr. George Stuart Mendenhall, MD

  • La Jolla, CA
  • Cardiologist
NPI1699925545PAC ID9335207729
Medicare services, 2024
6,761
Medicare patients, 2024
1,040
Part D claims, 2024
1,870
Publications
25
Hospital affiliations
2
Practice address
9850 Genesee Ave, La Jolla, CA 92037
Practice phone
Call (858) 453-0753
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Scripps Clinic OB-GYN La Jolla Campus

La Jolla, California

See all 7 affiliations

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Dr. George Stuart Mendenhall is a cardiologist in La Jolla, California

Dr. Mendenhall practices at Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California.

Dr. Mendenhall's NPI, 1699925545, was assigned on September 29, 2008. Dr. Mendenhall graduated from Harvard Medical School in 2003. Dr. Mendenhall's Pennsylvania license number on file is MD435413.

NPI and contact details
Medicare PAC ID
9335207729
NPI enumeration date
September 29, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(858) 453-0753
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. George Stuart Mendenhall practices at Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California

Dr. Mendenhall's primary practice is Scripps Clinic OB-GYN La Jolla Campus, at 9850 Genesee Ave, La Jolla, CA 92037 in San Diego County. The practice phone is (858) 453-0753.

  • Scripps Clinic OB-GYN La Jolla Campus
    9850 Genesee Ave, La Jolla, CA 92037 · San Diego CountyPhone(858) 453-0753

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. George Stuart Mendenhall is affiliated with 5 sites of care and 2 medical groups

Dr. Mendenhall's primary practice is Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California. Dr. Mendenhall is also affiliated with Scripps Memorial Hospital La Jolla. The medical group on file is Scripps Clinic Medical Group. Dmand AI also links Dr. Mendenhall to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Mendenhall

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. George Stuart Mendenhall's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mendenhall practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Scripps Clinic OB-GYN La Jolla CampusAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. George Stuart Mendenhall is one of 2,375 cardiologists in California

Cardiovascular disease is Dr. Mendenhall's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Mendenhall is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Mendenhall's licenses on file in 2 states: Pennsylvania and California.

Specialties and state licenses

  • Cardiovascular disease, PennsylvaniaPrimaryLicense MD435413 · 2006 to 2018 · taxonomy 207RC0000X
  • California license2017 to 2027

Clinical focus

Dmand AI lists atrial fibrillation and flutter, heart blockage, intermittent racing heartbeat (PSVT), pacemaker or defibrillator implantation, pacemaker replacement, sick sinus syndrome and ventricular tachycardia among the conditions Dr. Mendenhall treats.

Cardiologists near Dr. Mendenhall

Counts of cardiologists 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. George Stuart Mendenhall billed Medicare for 6,761 services in 2024

CMS data shows 6,761 Medicare services from Dr. Mendenhall across 30 procedure codes in 2024, for 1,040 Medicare patients. Medicare paid $332,680 for them.

Medicare services, 20246,761
Medicare patients1,040
Paid by Medicare$332,680
Procedure codes30

Dr. Mendenhall's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 4,2002024: 4,4526%
Office and hospital visits
2023: 2,3062024: 2,2881%
Surgery
2023: 352024: 2140%

Where Dr. Mendenhall's Medicare services took place, 2024

  • In an office5,76585%
  • In a facility99615%

Dr. Mendenhall compared with the California median for cardiologists, 2024

  • Dr. Mendenhall
  • California median
Medicare services
6,761vs 1,5604.3 times
Medicare patients
1,040vs 64461% above
Part D claims
1,621vs 1,41015% above

Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.

Dr. Mendenhall's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Mendenhall

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. George Stuart Mendenhall treated 1,040 Medicare patients in 2024, average age 79

CMS counts 1,040 Medicare patients who saw Dr. Mendenhall in 2024. The largest group is 75 to 84, with 451 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Mendenhall's median patient age at 76, with 42% women.

Medicare patients, 20241,040
Average age79
Average risk score1.82
Also on Medicaid9%

Dr. Mendenhall's Medicare patients by age, 2024

Dr. Mendenhall's Medicare patients by sex, 2024

  • Women44943%
  • Men59157%

Chronic conditions among Dr. Mendenhall's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Atrial fibrillation60%
  4. Arthritis51%
  5. Ischemic heart disease46%
  6. Heart failure40%
  7. Chronic kidney disease35%
  8. Diabetes30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Mendenhall's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women42%
  • Men57%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. George Stuart Mendenhall wrote 1,870 Medicare Part D claims in 2024

In 2024, Dr. Mendenhall wrote 1,870 Medicare Part D claims for 311 patients. 73% of them were for generic drugs. CMS names the drug for 1,621 of them, across 27 drugs with 11 or more claims each, at $608,032 in total drug cost. In 2023, CMS named 1,507 claims across 24 drugs.

Part D claims, 20241,870
Drugs named by CMS27
Total drug cost$608,032
Part D patients311

Dr. Mendenhall's Part D claims by kind of drug, 2024

  • Generic1,364 claims73%
  • Brand-name506 claims27%

Dr. Mendenhall'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. Mendenhall's Part D claims, 2024

  • Antibiotics1%13 of 1,870 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: 1,5072024: 1,6218%

Drugs named by CMS: 27 in 2024, 24 in 2023.

See all prescribing by Dr. Mendenhall

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

Dr. George Stuart Mendenhall ranks in the 82nd percentile for pacemaker insertion or repair in Medicare

Dr. Mendenhall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mendenhall as offering telehealth. CMS counts 35 procedures of pacemaker insertion or repair by Dr. Mendenhall, more than 82% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Mendenhall ranks in Medicare procedure volume

Pacemaker insertion or repair
82nd percentile35 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. George Stuart Mendenhall has 25 publications on record

Dmand AI links 25 papers to Dr. Mendenhall, published from 2007 to 2024. 2012 was the busiest year, with 3. The most frequent topics are Defibrillators, Implantable, Electrocardiography and Equipment Failure. Dr. Mendenhall has published most often in Heart Rhythm. Dr. Mendenhall's most frequent co-authors are Samir F. Saba, Evan C. Adelstein, MD and Sandeep Jain, MD.

Papers25
Years published2007 to 2024

Dr. Mendenhall's papers by year, 2012 to 2024

Topics Dr. Mendenhall writes about most

  • Defibrillators, Implantable
  • Electrocardiography
  • Equipment Failure
  • Arrhythmias, Cardiac
  • Cardiomyopathies
  • Device Removal
  • Atrial Fibrillation
  • Cardiac Pacing, Artificial

Dr. Mendenhall's most frequent co-authors

Recent publications by Dr. Mendenhall

See all 25 publications and co-authors

See who Dr. Mendenhall researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mendenhall works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. George Stuart Mendenhall received $119,284 in industry payments from 2016 to 2025

CMS Open Payments shows 467 general payments to Dr. Mendenhall from 35 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 75% of the total. Medtronic, Inc. paid the most, $42,029.

General payments to Dr. Mendenhall by program year, 2016 to 2025

General payments to Dr. Mendenhall by kind, 2016 to 2025

$119.3Kin total
  • Consulting fees$89,45875%
  • Food and beverage$13,73812%
  • Travel and lodging$12,58911%
  • Speaker and faculty fees$3,5003%

Companies that paid Dr. Mendenhall the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mendenhall

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. George Stuart Mendenhall has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Mendenhall, most recently ACC Fellow in 2012.

Awards and honors for Dr. Mendenhall

  1. 2012
    • ACC Fellow
    • Fellow (FHRS)
  2. 2011
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. George Stuart Mendenhall graduated from Harvard Medical School

Dr. Mendenhall graduated from Harvard Medical School in 2003. Dr. Mendenhall is a member of ACC.

  1. Medical schoolHarvard Medical School
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in clinical cardiac electrophysiologyAmerican Board of Internal Medicine
  4. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. George Stuart Mendenhall accepts plans from 17 insurance carriers

Dr. Mendenhall is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Mendenhall accepts, by number of carriers

  1. Medicare11
  2. PPO10
  3. HMO8
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. George Stuart Mendenhall's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. George Stuart Mendenhall

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. George Stuart Mendenhall's NPI number?

Dr. George Stuart Mendenhall's NPI number is 1699925545. It was assigned on September 29, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. George Stuart Mendenhall?

Dr. George Stuart Mendenhall is a cardiologist in La Jolla, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. George Stuart Mendenhall practice?

Dr. Mendenhall practices at 9850 Genesee Ave, La Jolla, CA 92037. Dr. Mendenhall's primary practice is Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California. Dmand AI also links Dr. Mendenhall to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. George Stuart Mendenhall's office phone number?

The practice phone on file for Dr. Mendenhall is (858) 453-0753.

What is Dr. George Stuart Mendenhall's medical license number?

Dr. Mendenhall's Pennsylvania license number on file is MD435413, one of the licenses on file in 2 states.

Which states has Dr. George Stuart Mendenhall been licensed in?

Dmand AI has state licenses on file for Dr. Mendenhall in Pennsylvania (2006 to 2018) and California (2017 to 2027).

Which hospitals is Dr. George Stuart Mendenhall affiliated with?

Dr. Mendenhall is affiliated with Scripps Memorial Hospital La Jolla. Dmand AI links Dr. Mendenhall to 1 more hospital.

What medical group is Dr. George Stuart Mendenhall part of?

Dr. Mendenhall is linked to Scripps Clinic Medical Group. Dmand AI links Dr. Mendenhall to 1 more medical group.

Does Dr. George Stuart Mendenhall accept Medicare?

Yes. CMS data shows Dr. Mendenhall billed Medicare for 6,761 services in 2024, and Dr. Mendenhall accepts Medicare assignment.

Does Dr. George Stuart Mendenhall offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Mendenhall as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. George Stuart Mendenhall see?

CMS counts 1,040 Medicare patients who saw Dr. Mendenhall in 2024, with an average age of 79.

Is Dr. George Stuart Mendenhall board certified?

Yes. Dr. Mendenhall is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. George Stuart Mendenhall bill to Medicare?

In 2024, Dr. Mendenhall's most billed Medicare services were special service (99091), heart test or procedure (93000) and office visit, established patient (99215).

Where did Dr. George Stuart Mendenhall go to medical school?

Dr. Mendenhall graduated from Harvard Medical School in 2003.

What drugs does Dr. George Stuart Mendenhall prescribe most?

In 2024 Medicare Part D data, Dr. Mendenhall's most prescribed drugs by claims were Eliquis, Metoprolol Succinate and Sotalol.

Has Dr. George Stuart Mendenhall received payments from drug or device companies?

CMS Open Payments shows $119,284 in general payments to Dr. Mendenhall from 35 companies from 2016 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. George Stuart Mendenhall been practicing?

Dr. Mendenhall graduated from medical school in 2003, 23 years ago.

Does Dr. George Stuart Mendenhall do research?

Dmand AI links 25 publications to Dr. Mendenhall, published from 2007 to 2024.

Who does Dr. George Stuart Mendenhall publish with?

Dr. Mendenhall's most frequent co-authors are Samir F. Saba (12 shared papers), Evan C. Adelstein, MD (8 shared papers) and Sandeep Jain, MD (8 shared papers).

What insurance does Dr. George Stuart Mendenhall accept?

Dr. Mendenhall is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

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