Dr. Karen Butterworth, MD
- Medicare services, 2024
- 88
- Medicare patients, 2024
- 150
- MIPS score, 2024
- 89
- Industry payments
- $23
- Insurance carriers
- 1
- Practice address
- 8700 Beverly Blvd, West Hollywood, CA 90048
- Practice phone
- Call (213) 637-3703
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Butterworth's professional email, personal email and mobile number
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Dr. Karen Butterworth is an anesthesiologist in West Hollywood, California
Dr. Butterworth practices in West Hollywood, California.
Dr. Butterworth's NPI, 1932194339, was assigned on September 13, 2005. Dr. Butterworth graduated from George Washington University School of Medicine and Health Sciences in 1992. Dr. Butterworth's California license number on file is G86991.
- NPI
- 1932194339NPI Registry (opens in a new tab)
- NPI enumeration date
- September 13, 2005
- NPI status
- Active
- Practice phone
- (213) 637-3703
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Karen Butterworth's practice address is in West Hollywood, California
Dr. Butterworth's practice address in the NPI Registry is 8700 Beverly Blvd, West Hollywood, CA 90048, in Los Angeles County. The practice phone is (213) 637-3703.
- NPI Registry address8700 Beverly Blvd, West Hollywood, CA 90048 · Los Angeles CountyPhone(213) 637-3703
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Karen Butterworth's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Butterworth practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Butterworth's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen Butterworth is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Butterworth's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Butterworth is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Butterworth's licenses on file in 3 states: California, Massachusetts and Washington.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Massachusetts license
- Washington license
Anesthesiologists near Dr. Butterworth
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. Karen Butterworth billed Medicare for 88 services in 2024
CMS data shows 88 Medicare services from Dr. Butterworth across 4 procedure codes in 2024, for 150 Medicare patients. Medicare paid $10,875 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Butterworth's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1732024: 8849%
Dr. Butterworth compared with the California median for anesthesiologists, 2024
- Dr. Butterworth
- California median
- Medicare services
- 88vs 7222% above
- Medicare patients
- 150vs 143Close to median
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Butterworth'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.
Need commercial claims for Dr. Butterworth?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Butterworth and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen Butterworth treated 150 Medicare patients in 2024, average age 72
CMS counts 150 Medicare patients who saw Dr. Butterworth in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Dr. Butterworth's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Butterworth's Medicare patients by sex, 2024
- Women8456%
- Men6644%
Chronic conditions among Dr. Butterworth's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis53%
- Ischemic heart disease41%
- Diabetes35%
- Anxiety29%
- Mood disorders28%
- Chronic kidney disease24%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen Butterworth scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Butterworth for performance year 2024, reported as part of a group.
Dr. Butterworth's MIPS scores, performance year 2024
- 89of 100Final score
- 84.8of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Karen Butterworth received $23 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Butterworth from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Aries Pharmaceuticals, Inc. paid the most, $23.
Companies that paid Dr. Butterworth the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen Butterworth graduated from George Washington University School of Medicine and Health Sciences
Dr. Butterworth graduated from George Washington University School of Medicine and Health Sciences in 1992.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Karen Butterworth accepts plans from 1 insurance carrier
Dr. Butterworth is in network with 1 carrier, including Elevance. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Elevance
Plan types Dr. Butterworth accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Karen Butterworth'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 |
| 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 | Medicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Karen Butterworth
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. Karen Butterworth's NPI number?
Dr. Karen Butterworth's NPI number is 1932194339. It was assigned on September 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen Butterworth?
Dr. Karen Butterworth is an anesthesiologist in West Hollywood, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Karen Butterworth practice?
Dr. Butterworth practices at 8700 Beverly Blvd, West Hollywood, CA 90048.
What is Dr. Karen Butterworth's office phone number?
The practice phone on file for Dr. Butterworth is (213) 637-3703.
What is Dr. Karen Butterworth's medical license number?
Dr. Butterworth's California license number on file is G86991, one of the licenses on file in 3 states.
Which states has Dr. Karen Butterworth been licensed in?
Dmand AI has state licenses on file for Dr. Butterworth in California (2003 to 2025), Massachusetts (2024 to 2027) and Washington (1994 to 2019).
Does Dr. Karen Butterworth accept Medicare?
Yes. CMS data shows Dr. Butterworth billed Medicare for 88 services in 2024.
What is Dr. Karen Butterworth's MIPS score?
Dr. Butterworth's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Karen Butterworth see?
CMS counts 150 Medicare patients who saw Dr. Butterworth in 2024, with an average age of 72.
Is Dr. Karen Butterworth board certified?
Yes. Dr. Butterworth is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Karen Butterworth bill to Medicare?
In 2024, Dr. Butterworth's most billed Medicare services were anesthesia (00811), anesthesia (00813) and anesthesia (00731).
Where did Dr. Karen Butterworth go to medical school?
Dr. Butterworth graduated from George Washington University School of Medicine and Health Sciences in 1992.
Has Dr. Karen Butterworth received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Butterworth from 1 company from 2018 to 2018. The largest total came from Aries Pharmaceuticals, Inc.
How long has Dr. Karen Butterworth been practicing?
Dr. Butterworth graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Karen Butterworth accept?
Dr. Butterworth is in network with 1 carrier, including Elevance. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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