Matthew John Kolar
- Medicare services, 2024
- 79
- Medicare patients, 2024
- 37
- Part D claims, 2024
- 86
- Publications
- 26
- Hospital affiliations
- 1
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (800) 926-8273
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
Find Matthew Kolar's 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.
Matthew John Kolar is a dermatologist in San Diego, California
Matthew Kolar practices at UCSD Hillcrest Medical Center in San Diego, California.
Matthew Kolar's NPI, 1164050167, was assigned on March 27, 2020. Matthew Kolar graduated from UC San Diego School of Medicine in 2020. Matthew Kolar holds California license A183532.
- NPI
- 1164050167NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082159512
- NPI enumeration date
- March 27, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 926-8273
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Matthew John Kolar practices at UCSD Hillcrest Medical Center in San Diego, California
Matthew Kolar's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (800) 926-8273.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(800) 926-8273
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Matthew John Kolar is affiliated with 2 sites of care and 1 medical group
Matthew Kolar's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Matthew Kolar is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.
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 Matthew John Kolar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Kolar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest 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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Matthew John Kolar is one of 1,910 dermatologists in California
Dermatology is Matthew Kolar's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Matthew Kolar is board certified in dermatology by the American Board of Dermatology. Matthew Kolar is licensed in California.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
Dermatologists near Matthew Kolar
Counts of dermatologists 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
Matthew John Kolar billed Medicare for 79 services in 2024
CMS data shows 79 Medicare services from Matthew Kolar across 3 procedure codes in 2024, for 37 Medicare patients. Medicare paid $1,911 for them. Every service was in an office.
Matthew Kolar's Medicare services by type, 2024
- Surgery67
- Office and hospital visits12
Matthew Kolar compared with the California median for dermatologists, 2024
- Matthew Kolar
- California median
- Medicare services
- 79vs 1,75095% below
- Medicare patients
- 37vs 37790% below
- Part D claims
- 49vs 36787% below
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Matthew Kolar'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Matthew John Kolar treated 37 Medicare patients in 2024, average age 74
CMS counts 37 Medicare patients who saw Matthew Kolar in 2024. The largest group is 65 to 74, with 21 patients. 73% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 1.89, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Matthew Kolar's median patient age at 58, with 49% women.
Matthew Kolar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Matthew Kolar's Medicare patients by sex, 2024
- Women1951%
- Men1849%
Chronic conditions among Matthew Kolar's Medicare patients, 2024
- High cholesterol73%
- High blood pressure59%
- Arthritis51%
Share of Medicare patients with each condition. A patient can have several.
Matthew Kolar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Matthew John Kolar wrote 86 Medicare Part D claims in 2024
In 2024, Matthew Kolar wrote 86 Medicare Part D claims for 40 patients. 83% of them were for generic drugs. CMS names the drug for 49 of them, across 3 drugs with 11 or more claims each, at $1,888 in total drug cost. In 2023, CMS named 103 claims across 5 drugs.
Matthew Kolar's Part D claims by kind of drug, 2024
- Generic71 claims83%
- Brand-name15 claims17%
Matthew Kolar'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1032024: 4952%
Drugs named by CMS: 3 in 2024, 5 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
Matthew John Kolar ranks in the 77th percentile for removal of skin lesions in Medicare
Matthew Kolar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 133 procedures of removal of skin lesions by Matthew Kolar, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Matthew Kolar ranks in Medicare procedure volume
- Removal of skin lesions
- 77th percentile133 procedures
- Skin biopsy
- 63rd percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Matthew John Kolar has 26 publications on record
Dmand AI links 26 papers to Matthew Kolar, published from 2016 to 2024. 2016 was the busiest year, with 7. The most frequent topics are Mice, Inbred C57BL, Fatty Acids and Signal Transduction. Matthew Kolar has published most often in Cell Metab. Matthew Kolar's most frequent co-authors are Barbara B. Kahn, MD, Richard L. Gallo, MD, PhD and Edwin A. Homan, MD, PhD.
Matthew Kolar's papers by year, 2016 to 2024
Topics Matthew Kolar writes about most
- Mice, Inbred C57BL
- Fatty Acids
- Signal Transduction
- Cell Line, Tumor
- Cell Proliferation
- Esters
- Macrophages
- Mass Spectrometry
Matthew Kolar's most frequent co-authors
- Barbara B. Kahn, MD4 shared papers
- Richard L. Gallo, MD, PhD2 shared papers
- Edwin A. Homan, MD, PhD2 shared papers
Recent publications by Matthew Kolar
Nature
See who Matthew Kolar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Matthew Kolar works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Matthew John Kolar received $642 in industry payments from 2023 to 2025
CMS Open Payments shows 6 general payments to Matthew Kolar from 5 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Galderma Laboratories, L.P. paid the most, $250.
General payments to Matthew Kolar by program year, 2023 to 2025
Companies that paid Matthew Kolar the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Matthew John Kolar has 6 awards and honors on record
Dmand AI lists 6 awards for Matthew Kolar, most recently The Paul and Barbara Insel Endowed Award in 2020.
Awards and honors for Matthew Kolar
- 2020
- The Paul and Barbara Insel Endowed Award
- 2018
- Chancellor's Dissertation Medal
- 2017
- ARCS Scholar Award
- 2016
- F30 Ruth L. Kirschstein National Research Service Award
- Stavros Niarchos Foundation Heithoff-Brody Scholars Program Mentor Award
- 2014
- Mary K. Chapman Foundation Fellowship
Source: Dmand AI Professional Profile Data
Matthew John Kolar graduated from UC San Diego School of Medicine
Matthew Kolar graduated from UC San Diego School of Medicine in 2020.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Matthew John Kolar accepts plans from 14 insurance carriers
Matthew Kolar is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Matthew Kolar accepts, by number of carriers
- PPO9
- HMO7
- Medicare7
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Matthew John Kolar'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)Doctors and Clinicians Utilization Data (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) |
| 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 Matthew John Kolar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Matthew John Kolar's NPI number?
Matthew John Kolar's NPI number is 1164050167. It was assigned on March 27, 2020, and it is active in the NPI Registry.
What does Matthew John Kolar specialize in?
Matthew John Kolar is a dermatologist in San Diego, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Matthew John Kolar practice?
Matthew Kolar practices at 200 W Arbor Dr, San Diego, CA 92103. Matthew Kolar's primary practice is UCSD Hillcrest Medical Center in San Diego, California.
What is Matthew John Kolar's office phone number?
The practice phone on file for Matthew Kolar is (800) 926-8273.
What is Matthew John Kolar's medical license number?
Matthew Kolar holds California license A183532.
Which hospitals is Matthew John Kolar affiliated with?
Matthew Kolar is affiliated with Hillcrest Medical Center.
What medical group is Matthew John Kolar part of?
Matthew Kolar is linked to UC San Diego Health.
Does Matthew John Kolar accept Medicare?
Yes. CMS data shows Matthew Kolar billed Medicare for 79 services in 2024, and Matthew Kolar accepts Medicare assignment.
How many Medicare patients does Matthew John Kolar see?
CMS counts 37 Medicare patients who saw Matthew Kolar in 2024, with an average age of 74.
Is Matthew John Kolar board certified?
Yes. Matthew Kolar is board certified in dermatology by the American Board of Dermatology.
Show 8 more questionsShow fewer questions
What services does Matthew John Kolar bill to Medicare?
In 2024, Matthew Kolar's most billed Medicare services were surgery: skin and soft tissue (17003), surgery: skin and soft tissue (17000) and office visit, established patient (99213).
Where did Matthew John Kolar go to medical school?
Matthew Kolar graduated from UC San Diego School of Medicine in 2020.
What drugs does Matthew John Kolar prescribe most?
In 2024 Medicare Part D data, Matthew Kolar's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Tacrolimus.
Has Matthew John Kolar received payments from drug or device companies?
CMS Open Payments shows $642 in general payments to Matthew Kolar from 5 companies from 2023 to 2025. The largest total came from Galderma Laboratories, L.P.
How long has Matthew John Kolar been practicing?
Matthew Kolar graduated from medical school in 2020, 6 years ago.
Does Matthew John Kolar do research?
Dmand AI links 26 publications to Matthew Kolar, published from 2016 to 2024.
Who does Matthew John Kolar publish with?
Matthew Kolar's most frequent co-authors are Barbara B. Kahn, MD (4 shared papers), Richard L. Gallo, MD, PhD (2 shared papers) and Edwin A. Homan, MD, PhD (2 shared papers).
What insurance does Matthew John Kolar accept?
Matthew Kolar is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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