Dr. David Gregory Kornguth, MD

  • San Francisco, CA
  • Radiation oncologist
NPI1801820394PAC ID4981609658
Medicare services, 2024
8,195
Medicare patients, 2024
208
Part D claims, 2024
909
Publications
10
MIPS score, 2024
75
Practice address
1661 Mission St, San Francisco, CA 94103
Practice phone
Call (415) 543-2830
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Golden Gate Urology Inc

San Francisco, California

See all 9 affiliations

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Dr. David Gregory Kornguth is a radiation oncologist in San Francisco, California

Dr. Kornguth practices at Golden Gate Urology Inc in San Francisco, California.

Dr. Kornguth's NPI, 1801820394, was assigned on July 10, 2006. Dr. Kornguth graduated from Boston University School Of Medicine in 2001. Dr. Kornguth holds California license A104635.

NPI and contact details
Medicare PAC ID
4981609658
NPI enumeration date
July 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 543-2830
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
51
Medical school graduation
2001

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

Dr. David Gregory Kornguth practices at Golden Gate Urology Inc in San Francisco, California

Dr. Kornguth's primary practice is Golden Gate Urology Inc, at 1661 Mission St, San Francisco, CA 94103 in San Francisco County. The practice phone is (415) 543-2830.

  • Golden Gate Urology Inc
    1661 Mission St, San Francisco, CA 94103 · San Francisco CountyPhone(415) 543-2830

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

Dr. David Gregory Kornguth is affiliated with 7 sites of care and 2 medical groups

Dr. Kornguth's primary practice is Golden Gate Urology Inc in San Francisco, California. Dr. Kornguth is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Unio Specialty Care, Urology, Encinitas (formerly Genesis Healthcare Partners). Dmand AI also links Dr. Kornguth to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Kornguth

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

Dmand AI tracks the EHR system at Dr. David Gregory Kornguth's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kornguth practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Golden Gate Urology IncAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David Gregory Kornguth is one of 685 radiation oncologists in California

Radiation oncology is Dr. Kornguth's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Kornguth is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Kornguth's licenses on file in 2 states: California and Texas.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense A104635 · 2008 to 2026 · taxonomy 2085R0001X
  • Texas licenseLicense M1844 · 2005 to 2020

Clinical focus

Dmand AI lists bladder cancer radiation, lung cancer radiation and prostate cancer radiation among the conditions Dr. Kornguth treats.

Radiation oncologists near Dr. Kornguth

Counts of radiation oncologists 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. David Gregory Kornguth billed Medicare for 8,195 services in 2024

CMS data shows 8,195 Medicare services from Dr. Kornguth across 18 procedure codes in 2024, for 208 Medicare patients. Medicare paid $1,986,956 for them. Every service was in an office.

Medicare services, 20248,195
Medicare patients208
Paid by Medicare$2M
Procedure codes18

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

  • 2023
  • 2024
Imaging
2023: 6,1522024: 4,31630%
Other services
2023: 3,7072024: 3,4696%
Office and hospital visits
2023: 3432024: 38613%
Surgery
2023: 522024: 2454%

Dr. Kornguth compared with the California median for radiation oncologists, 2024

  • Dr. Kornguth
  • California median
Medicare services
8,195vs 1,4445.7 times
Medicare patients
208vs 16427% above
Part D claims
851vs 3226.6 times

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

Dr. Kornguth'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. Kornguth

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

Dr. David Gregory Kornguth treated 208 Medicare patients in 2024, average age 75

CMS counts 208 Medicare patients who saw Dr. Kornguth in 2024. The largest group is 75 to 84, with 97 patients. 75% of them have cancer, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kornguth's median patient age at 74, with 3% women.

Medicare patients, 2024208
Average age75
Average risk score1.15
Also on Medicaid21%

Dr. Kornguth's Medicare patients by age, 2024

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

  1. Cancer75%
  2. High cholesterol75%
  3. High blood pressure71%
  4. Arthritis32%
  5. Diabetes27%
  6. Chronic kidney disease23%
  7. Ischemic heart disease20%
  8. Atrial fibrillation15%

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

Dr. Kornguth's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women3%
  • Men90%

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

Dr. David Gregory Kornguth wrote 909 Medicare Part D claims in 2024

In 2024, Dr. Kornguth wrote 909 Medicare Part D claims for 248 patients. 93% of them were for generic drugs. CMS names the drug for 851 of them, across 11 drugs with 11 or more claims each, at $310,305 in total drug cost. In 2023, CMS named 1,068 claims across 12 drugs.

Part D claims, 2024909
Drugs named by CMS11
Total drug cost$310,305
Part D patients248

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

  • Generic841 claims93%
  • Brand-name68 claims7%

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

  • Opioids6%50 of 909 claims
  • Antibiotics8%70 of 909 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: 1,0682024: 85120%

Drugs named by CMS: 11 in 2024, 12 in 2023.

See all prescribing by Dr. Kornguth

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. David Gregory Kornguth scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Kornguth for performance year 2024, reported as part of a group. Dr. Kornguth accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kornguth as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes
MIPS final score, 2024
75 of 100

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. David Gregory Kornguth has 10 publications on record

Dmand AI links 10 papers to Dr. Kornguth, published from 2007 to 2019. 2009 was the busiest year, with 2. The most frequent topics are Radiotherapy Dosage, Monte Carlo Method and Neoplasms, Radiation-Induced. Dr. Kornguth has published most often in Phys Med Biol. Dr. Kornguth's most frequent co-authors are Anita Mahajan, MD, Kenneth D. Aldape, MD and Ka Wah Chan, MD.

Papers10
Years published2007 to 2019

Dr. Kornguth's papers by year, 2007 to 2019

Topics Dr. Kornguth writes about most

  • Radiotherapy Dosage
  • Monte Carlo Method
  • Neoplasms, Radiation-Induced
  • Neutrons
  • Proton Therapy
  • Risk
  • Skull
  • Spine

Dr. Kornguth's most frequent co-authors

Recent publications by Dr. Kornguth

See all 10 publications and co-authors

See who Dr. Kornguth researches with

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

How network discovery works

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

Dr. David Gregory Kornguth received $51,019 in industry payments from 2016 to 2025

CMS Open Payments shows 410 general payments to Dr. Kornguth from 27 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 40% of the total. Boston Scientific Corporation paid the most, $22,617.

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

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

$51Kin total
  • Speaker and faculty fees$20,62040%
  • Consulting fees$18,97037%
  • Food and beverage$10,70521%
  • Travel and lodging$7181%
  • Education$60%

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

Share is of all general payments to this clinician.

See all payments to Dr. Kornguth

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

Dr. David Gregory Kornguth has 1 award and honors on record

Dmand AI lists 1 award for Dr. Kornguth, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Kornguth

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. David Gregory Kornguth graduated from Boston University School Of Medicine

Dr. Kornguth graduated from Boston University School Of Medicine in 2001.

  1. Medical schoolBoston University School Of Medicine
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. David Gregory Kornguth accepts plans from 12 insurance carriers

Dr. Kornguth is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • HCSC
  • Alliant Health Plans
  • Aspirus Health Plan
  • +4 more carriersWith a free account

Plan types Dr. Kornguth accepts, by number of carriers

  1. PPO7
  2. Medicare6
  3. HMO5
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. David Gregory Kornguth'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)Clinician Public Reporting: Overall MIPS Performance (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. David Gregory Kornguth

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. David Gregory Kornguth's NPI number?

Dr. David Gregory Kornguth's NPI number is 1801820394. It was assigned on July 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David Gregory Kornguth?

Dr. David Gregory Kornguth is a radiation oncologist in San Francisco, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. David Gregory Kornguth practice?

Dr. Kornguth practices at 1661 Mission St, San Francisco, CA 94103. Dr. Kornguth's primary practice is Golden Gate Urology Inc in San Francisco, California. Dmand AI also links Dr. Kornguth to 3 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. David Gregory Kornguth's office phone number?

The practice phone on file for Dr. Kornguth is (415) 543-2830.

What is Dr. David Gregory Kornguth's medical license number?

Dr. Kornguth holds California license A104635, one of the licenses on file in 2 states.

Which states has Dr. David Gregory Kornguth been licensed in?

Dmand AI has state licenses on file for Dr. Kornguth in California (2008 to 2026) and Texas (2005 to 2020).

Which hospitals is Dr. David Gregory Kornguth affiliated with?

Dr. Kornguth is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Kornguth to 3 more hospitals.

What medical group is Dr. David Gregory Kornguth part of?

Dr. Kornguth is linked to Unio Specialty Care, Urology, Encinitas (formerly Genesis Healthcare Partners). Dmand AI links Dr. Kornguth to 1 more medical group.

Does Dr. David Gregory Kornguth accept Medicare?

Yes. CMS data shows Dr. Kornguth billed Medicare for 8,195 services in 2024, and Dr. Kornguth accepts Medicare assignment.

Does Dr. David Gregory Kornguth offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. David Gregory Kornguth's MIPS score?

Dr. Kornguth's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

How many Medicare patients does Dr. David Gregory Kornguth see?

CMS counts 208 Medicare patients who saw Dr. Kornguth in 2024, with an average age of 75.

Is Dr. David Gregory Kornguth board certified?

Yes. Dr. Kornguth is board certified in radiation oncology by the American Board of Radiology.

What services does Dr. David Gregory Kornguth bill to Medicare?

In 2024, Dr. Kornguth's most billed Medicare services were medicare service (G6015), radiation oncology (77014) and medicare service (G6017).

Where did Dr. David Gregory Kornguth go to medical school?

Dr. Kornguth graduated from Boston University School Of Medicine in 2001.

What drugs does Dr. David Gregory Kornguth prescribe most?

In 2024 Medicare Part D data, Dr. Kornguth's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Bicalutamide.

Has Dr. David Gregory Kornguth received payments from drug or device companies?

CMS Open Payments shows $51,019 in general payments to Dr. Kornguth from 27 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. David Gregory Kornguth been practicing?

Dr. Kornguth graduated from medical school in 2001, 25 years ago.

Does Dr. David Gregory Kornguth do research?

Dmand AI links 10 publications to Dr. Kornguth, published from 2007 to 2019.

Who does Dr. David Gregory Kornguth publish with?

Dr. Kornguth's most frequent co-authors are Anita Mahajan, MD (6 shared papers), Kenneth D. Aldape, MD (1 shared paper) and Ka Wah Chan, MD (1 shared paper).

What insurance does Dr. David Gregory Kornguth accept?

Dr. Kornguth is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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