Dr. Marc D. Wolfsohn, MD
- Medicare services, 2020
- 39
- Part D claims, 2020
- 106
- Industry payments
- $2,049
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 1100 Paseo Camarillo, Camarillo, CA 93010-6073
- Practice phone
- Call (805) 484-8558
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Spanish Hills Interventional Pain Specialists - Camarillo (Paseo Camarillo)
Surgical practice · Camarillo, California
Find Dr. Wolfsohn'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. Marc D. Wolfsohn is an anesthesiologist in Ventura, California
Dr. Wolfsohn practices at Spanish Hills Interventional Pain Specialists - Camarillo (Paseo Camarillo) in Camarillo, California.
Dr. Wolfsohn's NPI, 1114954278, was assigned on June 26, 2006. Dr. Wolfsohn graduated from Keck School of Medicine of USC in 1976. Dr. Wolfsohn holds California license G34454.
- NPI
- 1114954278NPI Registry (opens in a new tab)
- NPI enumeration date
- June 26, 2006
- NPI status
- Active
- Practice phone
- (805) 484-8558
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc D. Wolfsohn practices in Camarillo and Ventura
Dr. Wolfsohn's primary practice is Spanish Hills Interventional Pain Specialists - Camarillo (Paseo Camarillo), at 1100 Paseo Camarillo, Camarillo, CA 93010-6073. The practice phone is (805) 484-8558. The NPI Registry lists Dr. Wolfsohn's practice address as 147 N Brent St, Ventura, CA 93003.
- Spanish Hills Interventional Pain Specialists - Camarillo (Paseo Camarillo)Primary1100 Paseo Camarillo, Camarillo, CA 93010-6073Phone(805) 484-8558
- NPI Registry address147 N Brent St, Ventura, CA 93003 · Ventura CountyPhone(805) 484-8558
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Marc D. Wolfsohn is affiliated with 2 sites of care and 2 medical groups
Dr. Wolfsohn's primary practice is Spanish Hills Interventional Pain Specialists - Camarillo (Paseo Camarillo) in Camarillo, California. The medical group on file is Spanish Hills Interventional Pain Specialists. Dmand AI also links Dr. Wolfsohn to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Marc D. Wolfsohn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wolfsohn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Spanish Hills Interventional Pain Specialists - Camarillo (Paseo Camarillo) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc D. Wolfsohn is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Wolfsohn's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Wolfsohn is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Wolfsohn is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Wolfsohn
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. Marc D. Wolfsohn billed Medicare for 39 services in 2020
CMS data shows 39 Medicare services from Dr. Wolfsohn across 1 procedure code in 2020, all of them office visits. Medicare paid $3,330 for them. Every service was in an office.
Dr. Wolfsohn's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 992020: 3961%
Dr. Wolfsohn compared with the California median for anesthesiologists, 2020
- Dr. Wolfsohn
- California median
- Medicare services
- 39vs 7246% below
- Part D claims
- 106vs 234.6 times
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Wolfsohn's most billed Medicare procedure codes, 2020
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. Wolfsohn and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc D. Wolfsohn's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Wolfsohn's median patient age at 67, with 47% women.
Dr. Wolfsohn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Marc D. Wolfsohn wrote 106 Medicare Part D claims in 2020
In 2020, Dr. Wolfsohn wrote 106 Medicare Part D claims. They cover 6 drugs, with $5,082 in total drug cost. In 2019, CMS named 119 claims across 5 drugs.
Dr. Wolfsohn's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1192020: 10611%
Drugs named by CMS: 6 in 2020, 5 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Marc D. Wolfsohn received $2,049 in industry payments from 2016 to 2023
CMS Open Payments shows 101 general payments to Dr. Wolfsohn from 28 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. St. Jude Medical, Inc. paid the most, $325.
General payments to Dr. Wolfsohn by program year, 2016 to 2023
Companies that paid Dr. Wolfsohn 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. Marc D. Wolfsohn graduated from Keck School of Medicine of USC
Dr. Wolfsohn graduated from Keck School of Medicine of USC in 1976.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Sources for Dr. Marc D. Wolfsohn'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| 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. Marc D. Wolfsohn
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. Marc D. Wolfsohn's NPI number?
Dr. Marc D. Wolfsohn's NPI number is 1114954278. It was assigned on June 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc D. Wolfsohn?
Dr. Marc D. Wolfsohn is an anesthesiologist in Ventura, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Marc D. Wolfsohn practice?
Dr. Wolfsohn practices at 1100 Paseo Camarillo, Camarillo, CA 93010-6073. Dr. Wolfsohn also practices at 147 N Brent St, Ventura, CA 93003. Dr. Wolfsohn's primary practice is Spanish Hills Interventional Pain Specialists - Camarillo (Paseo Camarillo) in Camarillo, California. Dmand AI also links Dr. Wolfsohn to 1 group practice or clinic and 1 medical group.
What is Dr. Marc D. Wolfsohn's office phone number?
The practice phone on file for Dr. Wolfsohn is (805) 484-8558.
What is Dr. Marc D. Wolfsohn's medical license number?
Dr. Wolfsohn holds California license G34454.
What medical group is Dr. Marc D. Wolfsohn part of?
Dr. Wolfsohn is linked to Spanish Hills Interventional Pain Specialists. Dmand AI links Dr. Wolfsohn to 1 more medical group.
Does Dr. Marc D. Wolfsohn accept Medicare?
Yes. CMS data shows Dr. Wolfsohn billed Medicare for 39 services in 2020.
Is Dr. Marc D. Wolfsohn board certified?
Yes. Dr. Wolfsohn is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Marc D. Wolfsohn bill to Medicare?
In 2020, Dr. Wolfsohn's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Marc D. Wolfsohn go to medical school?
Dr. Wolfsohn graduated from Keck School of Medicine of USC in 1976.
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What drugs does Dr. Marc D. Wolfsohn prescribe most?
In 2020 Medicare Part D data, Dr. Wolfsohn's most prescribed drugs by claims were Fentanyl, Oxycodone-Acetaminophen and Gabapentin.
Has Dr. Marc D. Wolfsohn received payments from drug or device companies?
CMS Open Payments shows $2,049 in general payments to Dr. Wolfsohn from 28 companies from 2016 to 2023. The largest total came from St. Jude Medical, Inc.
How long has Dr. Marc D. Wolfsohn been practicing?
Dr. Wolfsohn graduated from medical school in 1976, 50 years ago.
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