Dr. Johnathan Kao, MD, MPH
- Medicare services, 2024
- 308
- Medicare patients, 2024
- 124
- Part D claims, 2024
- 688
- Publications
- 1
- MIPS score, 2024
- 88
- Practice address
- 1250 16th Street, Santa Monica, CA 90404
- Practice phone
- Call (310) 319-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kao's professional email, personal email and mobile number
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Dr. Johnathan Kao is an internist in Santa Monica, California
Dr. Kao practices at UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health.
Dr. Kao's NPI, 1811358930, was assigned on March 17, 2016. Dr. Kao graduated from Michigan State University College of Human Medicine in 2016. Dr. Kao holds California license A168305.
- NPI
- 1811358930NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355720723
- NPI enumeration date
- March 17, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 319-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Johnathan Kao practices at UCLA Santa Monica Medical Center in Santa Monica, California
Dr. Kao's primary practice is UCLA Santa Monica Medical Center, at 1250 16th Street, Santa Monica, CA 90404 in Los Angeles County. The practice phone is (310) 319-4000.
- UCLA Santa Monica Medical Center1250 16th Street, Santa Monica, CA 90404 · Los Angeles CountyPhone(310) 319-4000
Source: Dmand AI Affiliation Data
Dr. Johnathan Kao is affiliated with 4 sites of care and 1 medical group
Dr. Kao's primary practice is UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health. Dr. Kao is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. Kao to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Johnathan Kao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kao practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCLA Santa Monica Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Johnathan Kao is one of 16,751 internists in California
Internal medicine is Dr. Kao's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kao is board certified in specialist by the American Academy of HIV Medicine. Dr. Kao is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute kidney failure, acute sinusitis, acute skin infection, adjustment disease, atrial fibrillation and flutter, bladder disease and chronic diabetes among the conditions Dr. Kao treats.
Internists near Dr. Kao
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. Johnathan Kao billed Medicare for 308 services in 2024
CMS data shows 308 Medicare services from Dr. Kao across 9 procedure codes in 2024, for 124 Medicare patients. Medicare paid $23,266 for them. Every service was in an office.
Dr. Kao's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2032024: 16718%
- Other services
- 2023: 242024: 80233%
- Surgery
- 2023: 452024: 3913%
- Tests and treatments
- 2023: 02024: 22
Dr. Kao compared with the California median for internists, 2024
- Dr. Kao
- California median
- Medicare services
- 308vs 36115% below
- Medicare patients
- 124vs 15118% below
- Part D claims
- 299vs 42129% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Kao'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kao and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Johnathan Kao treated 124 Medicare patients in 2024, average age 69
CMS counts 124 Medicare patients who saw Dr. Kao in 2024. The largest group is 65 to 74, with 53 patients. 70% of them have high blood pressure, and 68% have high cholesterol. 48% are also on Medicaid. Their average risk score is 1.80, 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. Kao's median patient age at 38, with 33% women.
Dr. Kao's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kao's Medicare patients by sex, 2024
- Women6149%
- Men6351%
Chronic conditions among Dr. Kao's Medicare patients, 2024
- High blood pressure70%
- High cholesterol68%
- Arthritis40%
- Diabetes35%
- Mood disorders30%
- Anxiety29%
- Ischemic heart disease28%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women33%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Johnathan Kao wrote 688 Medicare Part D claims in 2024
In 2024, Dr. Kao wrote 688 Medicare Part D claims for 111 patients. 82% of them were for generic drugs. CMS names the drug for 299 of them, across 13 drugs with 11 or more claims each, at $3,556 in total drug cost. In 2023, CMS named 231 claims across 11 drugs.
Dr. Kao's Part D claims by kind of drug, 2024
- Generic564 claims82%
- Brand-name and other124 claims18%
Dr. Kao'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. Kao's Part D claims, 2024
- Opioids3%19 of 688 claims
- Antibiotics3%20 of 688 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: 2312024: 29929%
Drugs named by CMS: 13 in 2024, 11 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. Johnathan Kao scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Kao for performance year 2024, reported as part of a group. Dr. Kao accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kao as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Kao's MIPS scores, performance year 2024
- 88of 100Final score
- 79.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
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. Johnathan Kao has 1 publication on record
Dmand AI links 1 paper to Dr. Kao.
Recent publications by Dr. Kao
See who Dr. Kao researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kao 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. Johnathan Kao received $262 in industry payments from 2021 to 2022
CMS Open Payments shows 7 general payments to Dr. Kao from 3 drug and device companies from 2021 to 2022. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $206.
General payments to Dr. Kao by program year, 2021 to 2022
Companies that paid Dr. Kao the most, 2021 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Johnathan Kao graduated from Michigan State University College of Human Medicine
Dr. Kao graduated from Michigan State University College of Human Medicine in 2016. Dr. Kao is a member of American Academy of HIV Medicine, AAP and ACP.
- Medical school
- Board certified in specialist
- Board certified in internal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Johnathan Kao accepts plans from 15 insurance carriers
Dr. Kao is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Kao accepts, by number of carriers
- Medicare9
- PPO9
- HMO6
- EPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Johnathan Kao'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 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)Clinician Public Reporting: Overall MIPS Performance (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. Johnathan Kao
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. Johnathan Kao's NPI number?
Dr. Johnathan Kao's NPI number is 1811358930. It was assigned on March 17, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Johnathan Kao?
Dr. Johnathan Kao is an internist in Santa Monica, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Johnathan Kao practice?
Dr. Kao practices at 1250 16th Street, Santa Monica, CA 90404. Dr. Kao's primary practice is UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health. Dmand AI also links Dr. Kao to 1 group practice or clinic and 1 home health agency.
What is Dr. Johnathan Kao's office phone number?
The practice phone on file for Dr. Kao is (310) 319-4000.
What is Dr. Johnathan Kao's medical license number?
Dr. Kao holds California license A168305.
Which hospitals is Dr. Johnathan Kao affiliated with?
Dr. Kao practices at UCLA Santa Monica Medical Center in Santa Monica, California. Dr. Kao is also affiliated with Ronald Reagan UCLA Medical Center.
What medical group is Dr. Johnathan Kao part of?
Dr. Kao is linked to UCLA Medical Group.
Does Dr. Johnathan Kao accept Medicare?
Yes. CMS data shows Dr. Kao billed Medicare for 308 services in 2024, and Dr. Kao accepts Medicare assignment.
Does Dr. Johnathan Kao offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kao as offering telehealth services.
What is Dr. Johnathan Kao's MIPS score?
Dr. Kao's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Johnathan Kao see?
CMS counts 124 Medicare patients who saw Dr. Kao in 2024, with an average age of 69.
Is Dr. Johnathan Kao board certified?
Yes. Dr. Kao is board certified in specialist by the American Academy of HIV Medicine.
What services does Dr. Johnathan Kao bill to Medicare?
In 2024, Dr. Kao's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and surgery: heart and blood vessels (36415).
Where did Dr. Johnathan Kao go to medical school?
Dr. Kao graduated from Michigan State University College of Human Medicine in 2016.
What drugs does Dr. Johnathan Kao prescribe most?
In 2024 Medicare Part D data, Dr. Kao's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Fluticasone Propionate.
Has Dr. Johnathan Kao received payments from drug or device companies?
CMS Open Payments shows $262 in general payments to Dr. Kao from 3 companies from 2021 to 2022. The largest total came from Gilead Sciences, Inc.
How long has Dr. Johnathan Kao been practicing?
Dr. Kao graduated from medical school in 2016, 10 years ago.
Does Dr. Johnathan Kao do research?
Dmand AI links 1 publication to Dr. Kao.
What insurance does Dr. Johnathan Kao accept?
Dr. Kao is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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