Dr. Darren F. Clair, MD
- Medicare services, 2024
- 138
- Medicare patients, 2024
- 132
- Part D claims, 2024
- 58
- Industry payments
- $183
- Affiliated sites
- 1
- Practice address
- 1120 Newbury Rd, Newbury Park, CA 91320
- Practice phone
- Call (805) 557-1740
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thousand Oaks Surgery Center
Newbury Park, California
Find Dr. Clair'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.
Dr. Darren F. Clair is an anesthesiologist in Newbury Park, California
Dr. Clair practices at Thousand Oaks Surgery Center in Newbury Park, California.
Dr. Clair's NPI, 1124196258, was assigned on November 30, 2006. Dr. Clair graduated from Vagelos College of Physicians and Surgeons in 1982. Dr. Clair's California license number on file is G51360.
- NPI
- 1124196258NPI Registry (opens in a new tab)
- NPI enumeration date
- November 30, 2006
- NPI status
- Active
- Practice phone
- (805) 557-1740
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Darren F. Clair practices at Thousand Oaks Surgery Center in Newbury Park, California
Dr. Clair's primary practice is Thousand Oaks Surgery Center, at 1120 Newbury Rd, Newbury Park, CA 91320 in Ventura County. The practice phone is (805) 557-1740.
- Thousand Oaks Surgery Center1120 Newbury Rd, Newbury Park, CA 91320 · Ventura CountyPhone(805) 557-1740
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Darren F. Clair is affiliated with 2 sites of care
Dr. Clair's primary practice is Thousand Oaks Surgery Center in Newbury Park, California. Dmand AI also links Dr. Clair to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Darren F. Clair's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clair practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thousand Oaks Surgery 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. Darren F. Clair is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Clair's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Clair is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Clair's licenses on file in 3 states: California, Florida and Colorado.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Florida license
- Colorado license
Anesthesiologists near Dr. Clair
Counts of anesthesiologists 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. Darren F. Clair billed Medicare for 138 services in 2024
CMS data shows 138 Medicare services from Dr. Clair across 4 procedure codes in 2024, for 132 Medicare patients. Medicare paid $15,511 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Clair's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 862024: 13860%
Dr. Clair compared with the California median for anesthesiologists, 2024
- Dr. Clair
- California median
- Medicare services
- 138vs 7292% above
- Medicare patients
- 132vs 1438% below
- Part D claims
- 24vs 23Close to median
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Clair'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. Clair and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Darren F. Clair treated 132 Medicare patients in 2024, average age 73
CMS counts 132 Medicare patients who saw Dr. Clair in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Clair's median patient age at 59, with 52% women.
Dr. Clair's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Clair's Medicare patients by sex, 2024
- Women7154%
- Men6146%
Chronic conditions among Dr. Clair's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis56%
- Ischemic heart disease28%
- Cancer24%
- Osteoporosis21%
- Diabetes20%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clair's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Darren F. Clair wrote 58 Medicare Part D claims in 2024
In 2024, Dr. Clair wrote 58 Medicare Part D claims. 90% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $323 in total drug cost. In 2023, CMS named 36 claims across 3 drugs.
Dr. Clair's Part D claims by kind of drug, 2024
- Generic52 claims90%
- Brand-name and other6 claims10%
Dr. Clair'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: 362024: 2433%
Drugs named by CMS: 2 in 2024, 3 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
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Dr. Darren F. Clair received $183 in industry payments from 2016 to 2023
CMS Open Payments shows 10 general payments to Dr. Clair from 5 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $82.
General payments to Dr. Clair by program year, 2016 to 2023
Companies that paid Dr. Clair the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Darren F. Clair graduated from Vagelos College of Physicians and Surgeons
Dr. Clair graduated from Vagelos College of Physicians and Surgeons in 1982.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Darren F. Clair accepts plans from 4 insurance carriers
Dr. Clair is in network with 4 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. POS plans come from the most carriers, 2. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- HCSC
Plan types Dr. Clair accepts, by number of carriers
- POS2
- PPO2
- EPO1
- HMO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Darren F. Clair'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 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) |
| 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. Darren F. Clair
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. Darren F. Clair's NPI number?
Dr. Darren F. Clair's NPI number is 1124196258. It was assigned on November 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Darren F. Clair?
Dr. Darren F. Clair is an anesthesiologist in Newbury Park, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Darren F. Clair practice?
Dr. Clair practices at 1120 Newbury Rd, Newbury Park, CA 91320. Dr. Clair's primary practice is Thousand Oaks Surgery Center in Newbury Park, California. Dmand AI also links Dr. Clair to 1 physician office.
What is Dr. Darren F. Clair's office phone number?
The practice phone on file for Dr. Clair is (805) 557-1740.
What is Dr. Darren F. Clair's medical license number?
Dr. Clair's California license number on file is G51360, one of the licenses on file in 3 states.
Which states has Dr. Darren F. Clair been licensed in?
Dmand AI has state licenses on file for Dr. Clair in California (1983 to 2025), Florida (2021 to 2026) and Colorado (1994 to 1997).
Does Dr. Darren F. Clair accept Medicare?
Yes. CMS data shows Dr. Clair billed Medicare for 138 services in 2024.
How many Medicare patients does Dr. Darren F. Clair see?
CMS counts 132 Medicare patients who saw Dr. Clair in 2024, with an average age of 73.
Is Dr. Darren F. Clair board certified?
Yes. Dr. Clair is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Darren F. Clair bill to Medicare?
In 2024, Dr. Clair's most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00812).
Show 5 more questionsShow fewer questions
Where did Dr. Darren F. Clair go to medical school?
Dr. Clair graduated from Vagelos College of Physicians and Surgeons in 1982.
What drugs does Dr. Darren F. Clair prescribe most?
In 2024 Medicare Part D data, Dr. Clair's most prescribed drugs by claims were Escitalopram Oxalate and Triamterene-Hydrochlorothiazid.
Has Dr. Darren F. Clair received payments from drug or device companies?
CMS Open Payments shows $183 in general payments to Dr. Clair from 5 companies from 2016 to 2023. The largest total came from Abbvie Inc.
How long has Dr. Darren F. Clair been practicing?
Dr. Clair graduated from medical school in 1982, 44 years ago.
What insurance does Dr. Darren F. Clair accept?
Dr. Clair is in network with 4 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. POS plans come from the most carriers, 2. Check the plan with the practice before a visit.
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