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Dr. Adam David Karns, MD
NPI1811979198PAC ID8820267545
- Medicare services, 2024
- 1,397
- Medicare patients, 2024
- 222
- Part D claims, 2024
- 8,399
- Publications
- 5
- Clinical trials
- 1
- Practice address
- 5901 W Olympic Blvd, Los Angeles, CA 90036
- Practice phone
- Call (323) 934-8877
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Usa Advanced Care Surgical Center
Los Angeles, California
Find Dr. Karns' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Adam David Karns is an internist in Los Angeles, California
Dr. Karns practices at Usa Advanced Care Surgical Center in Los Angeles, California.
Dr. Karns' NPI, 1811979198, was assigned on November 14, 2005. Dr. Karns graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1991. Dr. Karns' California license number on file is G74846.
NPI and contact details
- NPI
- 1811979198NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820267545
- NPI enumeration date
- November 14, 2005
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (323) 934-8877
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Adam David Karns practices at Usa Advanced Care Surgical Center in Los Angeles, California
Dr. Karns' primary practice is Usa Advanced Care Surgical Center, at 5901 W Olympic Blvd, Los Angeles, CA 90036 in Los Angeles County. The practice phone is (323) 934-8877.
- Usa Advanced Care Surgical Center5901 W Olympic Blvd, Los Angeles, CA 90036 · Los Angeles CountyPhone(323) 934-8877
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Adam David Karns is affiliated with 7 sites of care
Dr. Karns' primary practice is Usa Advanced Care Surgical Center in Los Angeles, California. Dr. Karns is also affiliated with Cedars-Sinai Medical Center. Dmand AI also links Dr. Karns to 3 more home health agencies, 1 physician office and 1 hospice, each named with a free account.
Usa Advanced Care Surgical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Adam David Karns' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karns practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Usa Advanced Care Surgical Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Adam David Karns is one of 16,751 internists in California
Internal medicine is Dr. Karns' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Karns is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Karns' licenses on file in 2 states: California and Nevada.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Nevada license
Clinical focus
Dmand AI lists acute sinusitis, ADHD, aneurysm, anxiety, arteritis, arthritis, bladder disease and chronic anemia among the conditions Dr. Karns treats.
Internists near Dr. Karns
Counts of internists 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. Adam David Karns billed Medicare for 1,397 services in 2024
CMS data shows 1,397 Medicare services from Dr. Karns across 12 procedure codes in 2024, for 222 Medicare patients. Medicare paid $102,306 for them. Every service was in an office.
Medicare services, 20241,397
Medicare patients222
Paid by Medicare$102,306
Procedure codes12
Dr. Karns' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6352024: 83331%
- Tests and treatments
- 2023: 1182024: 20574%
- Surgery
- 2023: 1342024: 18437%
- Other services
- 2023: 722024: 11864%
- Drugs given in the office
- 2023: 02024: 57
Dr. Karns compared with the California median for internists, 2024
- Dr. Karns
- California median
- Medicare services
- 1,397vs 3613.9 times
- Medicare patients
- 222vs 15147% above
- Part D claims
- 7,427vs 42117.6 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Karns' 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.
Need commercial claims for Dr. Karns?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Karns and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Adam David Karns treated 222 Medicare patients in 2024, average age 74
CMS counts 222 Medicare patients who saw Dr. Karns in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Karns' median patient age at 64, with 46% women.
Medicare patients, 2024222
Average age74
Average risk score1.09
Also on Medicaid25%
Dr. Karns' Medicare patients by age, 2024
Dr. Karns' Medicare patients by sex, 2024
- Women10849%
- Men11451%
Chronic conditions among Dr. Karns' Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis51%
- Ischemic heart disease32%
- Anxiety29%
- Diabetes27%
- Mood disorders27%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Karns' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women46%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Adam David Karns wrote 8,399 Medicare Part D claims in 2024
In 2024, Dr. Karns wrote 8,399 Medicare Part D claims for 370 patients. 84% of them were for generic drugs. CMS names the drug for 7,427 of them, across 178 drugs with 11 or more claims each, at $996,990 in total drug cost. In 2023, CMS named 6,552 claims across 167 drugs.
Part D claims, 20248,399
Drugs named by CMS178
Total drug cost$996,990
Part D patients370
Dr. Karns' Part D claims by kind of drug, 2024
- Generic7,058 claims84%
- Brand-name1,264 claims15%
- Other77 claims1%
Dr. Karns' 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. Karns' Part D claims, 2024
- Opioids3%293 of 8,399 claims
- Antibiotics2%194 of 8,399 claims
- Antipsychotics, patients 65 and over1%63 of 8,399 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: 6,5522024: 7,42713%
Drugs named by CMS: 178 in 2024, 167 in 2023.
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. Adam David Karns offers telehealth to Medicare patients
CMS lists Dr. Karns as offering telehealth.
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Adam David Karns has 5 publications on record
Dmand AI links 5 papers to Dr. Karns, published from 2012 to 2014. The most frequent topics are Hypertension, Antihypertensive Agents and Blood Pressure. Dr. Karns' most frequent co-authors are Ahmad Aswad, MD, Osvaldo Alexandro Brusco, MD and Akshay Suvas Desai, MD.
Papers5
Years published2012 to 2014
Dr. Karns' papers by year, 2012 to 2014
Topics Dr. Karns writes about most
- Hypertension
- Antihypertensive Agents
- Blood Pressure
- Double-Blind Method
- Imidazoles
Dr. Karns' most frequent co-authors
- Ahmad Aswad, MD1 shared paper
- Osvaldo Alexandro Brusco, MD1 shared paper
- Akshay Suvas Desai, MD1 shared paper
Recent publications by Dr. Karns
J Clin Hypertens (Greenwich)
Antihypertensive AgentsBlood PressureCytochrome P-450 CYP11B2
Rev Cardiovasc Med
Heart VentriclesHypertensionHypertrophy, Left Ventricular
Acute Kidney InjuryAmlodipineAntihypertensive Agents
See who Dr. Karns researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Karns works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Adam David Karns has worked on 1 clinical trial
Dmand AI links Dr. Karns to 1 clinical trial. Conditions studied include Hypertension and Vascular Diseases.
Conditions in Dr. Karns' trials
- Hypertension
- Vascular Diseases
Investigators on the most trials with Dr. Karns
- Nelson P. Kopyt, DO1 shared trial
- Tatyana Stanislavovna Miroshnikova, MD1 shared trial
- Henry A. Punzi, MD1 shared trial
Recent clinical trials with Dr. Karns
Efficacy and Safety of Lorundrostat in Subjects With Uncontrolled and Resistant Hypertension (opens in a new tab)
CompletedPhase 3
HypertensionVascular Diseaseslorundrostat Dose 1lorundrostat Dose 2
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Adam David Karns received $60,836 in industry payments from 2016 to 2025
CMS Open Payments shows 1,615 general payments to Dr. Karns from 97 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 66% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $10,313. It also lists 1 research payment totaling $125 in 2019.
General payments to Dr. Karns by program year, 2016 to 2025
General payments to Dr. Karns by kind, 2016 to 2025
$60.8Kin total
- Food and beverage$39,87766%
- Consulting fees$9,39715%
- Speaker and faculty fees$8,23814%
- Travel and lodging$3,0705%
- Education$2550%
Companies that paid Dr. Karns the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Adam David Karns has 1 award and honors on record
Dmand AI lists 1 award for Dr. Karns, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Karns
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Adam David Karns graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Karns graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1991.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Adam David Karns accepts plans from 8 insurance carriers
Dr. Karns is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Karns accepts, by number of carriers
- Medicare8
- PPO6
- HMO4
- POS3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Adam David Karns's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Adam David Karns
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. Adam David Karns' NPI number?
Dr. Adam David Karns' NPI number is 1811979198. It was assigned on November 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Adam David Karns?
Dr. Adam David Karns is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Adam David Karns practice?
Dr. Karns practices at 5901 W Olympic Blvd, Los Angeles, CA 90036. Dr. Karns' primary practice is Usa Advanced Care Surgical Center in Los Angeles, California. Dmand AI also links Dr. Karns to 3 home health agencies, 1 physician office and 1 hospice.
What is Dr. Adam David Karns' office phone number?
The practice phone on file for Dr. Karns is (323) 934-8877.
What is Dr. Adam David Karns' medical license number?
Dr. Karns' California license number on file is G74846, one of the licenses on file in 2 states.
Which states has Dr. Adam David Karns been licensed in?
Dmand AI has state licenses on file for Dr. Karns in California (1992 to 2025) and Nevada (1994 to 1997).
Which hospitals is Dr. Adam David Karns affiliated with?
Dr. Karns is affiliated with Cedars-Sinai Medical Center.
Does Dr. Adam David Karns accept Medicare?
Yes. CMS data shows Dr. Karns billed Medicare for 1,397 services in 2024.
Does Dr. Adam David Karns offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Karns as offering telehealth services.
How many Medicare patients does Dr. Adam David Karns see?
CMS counts 222 Medicare patients who saw Dr. Karns in 2024, with an average age of 74.
Show 9 more questionsShow fewer questions
Is Dr. Adam David Karns board certified?
Yes. Dr. Karns is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Adam David Karns bill to Medicare?
In 2024, Dr. Karns' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).
Where did Dr. Adam David Karns go to medical school?
Dr. Karns graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1991.
What drugs does Dr. Adam David Karns prescribe most?
In 2024 Medicare Part D data, Dr. Karns' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Zolpidem Tartrate.
Has Dr. Adam David Karns received payments from drug or device companies?
CMS Open Payments shows $60,836 in general payments to Dr. Karns from 97 companies from 2016 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Adam David Karns been practicing?
Dr. Karns graduated from medical school in 1991, 35 years ago.
Does Dr. Adam David Karns do research?
Dmand AI links 5 publications to Dr. Karns, published from 2012 to 2014. Dr. Karns has worked on 1 clinical trial.
Who does Dr. Adam David Karns publish with?
Dr. Karns' most frequent co-authors are Ahmad Aswad, MD (1 shared paper), Osvaldo Alexandro Brusco, MD (1 shared paper) and Akshay Suvas Desai, MD (1 shared paper).
What insurance does Dr. Adam David Karns accept?
Dr. Karns is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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