Int Forum Allergy Rhinol
Cerebrospinal Fluid LeakCraniopharyngiomaEndoscopy
Dr. Tom Theodore Karnezis, MD
NPI1023272275PAC ID0244458388
- Part D claims, 2024
- 186
- Publications
- 15
- Hospital affiliations
- 2
- Industry payments
- $451
- Medical group
- 1
- Practice address
- 25825 South Vermont Avenue, Harbor City, CA 90710
- Practice phone
- Call (310) 325-5111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Karnezis' professional email, personal email and mobile number
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Dr. Tom Theodore Karnezis is an otolaryngologist in Harbor City, California
Dr. Karnezis practices at Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.
Dr. Karnezis' NPI, 1023272275, was assigned on July 17, 2008. Dr. Karnezis graduated from Vagelos College of Physicians and Surgeons in 2008. Dr. Karnezis holds California license NONE.
NPI and contact details
- NPI
- 1023272275NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244458388
- NPI enumeration date
- July 17, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 325-5111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tom Theodore Karnezis practices at Kaiser Permanente South Bay Medical Center in Harbor City, California
Dr. Karnezis' primary practice is Kaiser Permanente South Bay Medical Center, at 25825 South Vermont Avenue, Harbor City, CA 90710 in Los Angeles County. The practice phone is (310) 325-5111.
- Kaiser Permanente South Bay Medical Center25825 South Vermont Avenue, Harbor City, CA 90710 · Los Angeles CountyPhone(310) 325-5111
Source: Dmand AI Affiliation Data
Dr. Tom Theodore Karnezis is affiliated with 2 sites of care and 1 medical group
Dr. Karnezis' primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente. Dr. Karnezis is also affiliated with Kaiser Permanente Baldwin Park Medical Center. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tom Theodore Karnezis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karnezis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente South Bay Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tom Theodore Karnezis is one of 1,107 otolaryngologists in California
Otolaryngology is Dr. Karnezis' primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Karnezis is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery. Dmand AI has Dr. Karnezis' licenses on file in 2 states: California and South Carolina.
Specialties and state licenses
- Otolaryngology, CaliforniaPrimary
- South Carolina license
Otolaryngologists near Dr. Karnezis
Counts of otolaryngologists with a Dmand AI profile, by place and practice. Each opens the list.
1,107otolaryngologists in California
6otolaryngologists in Harbor City
5otolaryngologists at Kaiser Permanente South Bay Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tom Theodore Karnezis' patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Karnezis' median patient age at 44, with 58% women.
Dr. Karnezis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women58%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Tom Theodore Karnezis wrote 186 Medicare Part D claims in 2024
In 2024, Dr. Karnezis wrote 186 Medicare Part D claims for 87 patients. 95% of them were for generic drugs. CMS names the drug for 97 of them, across 5 drugs with 11 or more claims each, at $1,932 in total drug cost. In 2023, CMS named 133 claims across 7 drugs.
Part D claims, 2024186
Drugs named by CMS5
Total drug cost$1,932
Part D patients87
Dr. Karnezis' Part D claims by kind of drug, 2024
- Generic177 claims95%
- Brand-name and other9 claims5%
Dr. Karnezis' 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. Karnezis' Part D claims, 2024
- Opioids8%15 of 186 claims
- Antibiotics15%27 of 186 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: 1332024: 9727%
Drugs named by CMS: 5 in 2024, 7 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
How Dr. Tom Theodore Karnezis takes part in Medicare
Dr. Karnezis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Tom Theodore Karnezis has 15 publications on record
Dmand AI links 15 papers to Dr. Karnezis, published from 2009 to 2016. 2015 was the busiest year, with 5. The most frequent topics are Rhinitis, Sinusitis and Administration, Intranasal. Dr. Karnezis has published most often in Int Forum Allergy Rhinol. Dr. Karnezis' most frequent co-authors are Zachary Michael Soler, MD, Lauren Ann Lawrence, MD and Satish Govindaraj, MD.
Papers15
Years published2009 to 2016
Dr. Karnezis' papers by year, 2009 to 2016
Topics Dr. Karnezis writes about most
- Rhinitis
- Sinusitis
- Administration, Intranasal
- Antibodies, Monoclonal, Humanized
- Bevacizumab
- Endoscopy
- Injections
- Nasal Mucosa
Dr. Karnezis' most frequent co-authors
- Zachary Michael Soler, MD7 shared papers
- Lauren Ann Lawrence, MD4 shared papers
- Satish Govindaraj, MD3 shared papers
Recent publications by Dr. Karnezis
Int Forum Allergy Rhinol
Disease ProgressionEndoscopyOlfaction Disorders
Int Forum Allergy Rhinol
Calcium-Binding ProteinsCell SeparationDisease Progression
Int Forum Allergy Rhinol
EndoscopyParanasal SinusesPituitary Neoplasms
Int Forum Allergy Rhinol
AdenomaLength of StayNatural Orifice Endoscopic Surgery
See who Dr. Karnezis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Karnezis works with, so you can find a warm path to the right otolaryngologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tom Theodore Karnezis received $451 in industry payments from 2017 to 2022
CMS Open Payments shows 4 general payments to Dr. Karnezis from 2 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 100% of the total. Intersect ENT, Inc. paid the most, $354.
General payments to Dr. Karnezis by program year, 2017 to 2022
Companies that paid Dr. Karnezis the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tom Theodore Karnezis graduated from Vagelos College of Physicians and Surgeons
Dr. Karnezis graduated from Vagelos College of Physicians and Surgeons in 2008.
- Medical school
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Dr. Tom Theodore Karnezis accepts plans from 2 insurance carriers
Dr. Karnezis is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Karnezis accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Tom Theodore Karnezis'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Tom Theodore Karnezis
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. Tom Theodore Karnezis' NPI number?
Dr. Tom Theodore Karnezis' NPI number is 1023272275. It was assigned on July 17, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Tom Theodore Karnezis?
Dr. Tom Theodore Karnezis is an otolaryngologist in Harbor City, California. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Tom Theodore Karnezis practice?
Dr. Karnezis practices at 25825 South Vermont Avenue, Harbor City, CA 90710. Dr. Karnezis' primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.
What is Dr. Tom Theodore Karnezis' office phone number?
The practice phone on file for Dr. Karnezis is (310) 325-5111.
What is Dr. Tom Theodore Karnezis' medical license number?
Dr. Karnezis holds California license NONE, one of the licenses on file in 2 states.
Which states has Dr. Tom Theodore Karnezis been licensed in?
Dmand AI has state licenses on file for Dr. Karnezis in California (2010 to 2026) and South Carolina (2014 to 2015).
Which hospitals is Dr. Tom Theodore Karnezis affiliated with?
Dr. Karnezis practices at Kaiser Permanente South Bay Medical Center in Harbor City, California. Dr. Karnezis is also affiliated with Kaiser Permanente Baldwin Park Medical Center.
What medical group is Dr. Tom Theodore Karnezis part of?
Dr. Karnezis is linked to Southern California Permanente Medical Group.
Does Dr. Tom Theodore Karnezis accept Medicare?
Yes. CMS lists Dr. Karnezis as accepting Medicare assignment.
Is Dr. Tom Theodore Karnezis board certified?
Yes. Dr. Karnezis is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery.
Show 7 more questionsShow fewer questions
Where did Dr. Tom Theodore Karnezis go to medical school?
Dr. Karnezis graduated from Vagelos College of Physicians and Surgeons in 2008.
What drugs does Dr. Tom Theodore Karnezis prescribe most?
In 2024 Medicare Part D data, Dr. Karnezis' most prescribed drugs by claims were Ipratropium Bromide, Pantoprazole Sodium and Omeprazole.
Has Dr. Tom Theodore Karnezis received payments from drug or device companies?
CMS Open Payments shows $451 in general payments to Dr. Karnezis from 2 companies from 2017 to 2022. The largest total came from Intersect ENT, Inc.
How long has Dr. Tom Theodore Karnezis been practicing?
Dr. Karnezis graduated from medical school in 2008, 18 years ago.
Does Dr. Tom Theodore Karnezis do research?
Dmand AI links 15 publications to Dr. Karnezis, published from 2009 to 2016.
Who does Dr. Tom Theodore Karnezis publish with?
Dr. Karnezis' most frequent co-authors are Zachary Michael Soler, MD (7 shared papers), Lauren Ann Lawrence, MD (4 shared papers) and Satish Govindaraj, MD (3 shared papers).
What insurance does Dr. Tom Theodore Karnezis accept?
Dr. Karnezis is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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