Arch Surg
Aorta, AbdominalAortographyArteriosclerosis Obliterans
Dr. J. Louis Cohen, MD
NPI1720008964
- Medicare services, 2019
- 197
- Part D claims, 2018
- 22
- Publications
- 3
- Industry payments
- $678
- Affiliated sites
- 5
- Practice address
- 8631 W 3rd St, Los Angeles, CA 90048-5901
- Practice phone
- Call (310) 423-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cedars-sinai Medical Center - Los Angeles (8631 W 3rd St)
Multi-specialty group site · Los Angeles, California
Find Dr. Cohen'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. J. Louis Cohen is a vascular surgeon in Lancaster, California
Dr. Cohen practices at Cedars-sinai Medical Center - Los Angeles (8631 W 3rd St) in Los Angeles, California.
Dr. Cohen's NPI, 1720008964, was assigned on July 20, 2006. Dr. Cohen graduated from Keck School of Medicine of USC in 1964. Dr. Cohen holds California license A021551.
NPI and contact details
- NPI
- 1720008964NPI Registry (opens in a new tab)
- NPI enumeration date
- July 20, 2006
- NPI status
- Active
- Practice phone
- (310) 423-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1964
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. J. Louis Cohen practices in Los Angeles and Lancaster
Dr. Cohen's primary practice is Cedars-sinai Medical Center - Los Angeles (8631 W 3rd St), at 8631 W 3rd St, Los Angeles, CA 90048-5901. The practice phone is (310) 423-5000. The NPI Registry lists Dr. Cohen's practice address as 1600 W Ave J, Lancaster, CA 93534.
- Cedars-sinai Medical Center - Los Angeles (8631 W 3rd St)Primary8631 W 3rd St, Los Angeles, CA 90048-5901Phone(310) 423-5000
- NPI Registry address1600 W Ave J, Lancaster, CA 93534 · Los Angeles CountyPhone(310) 652-8132
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. J. Louis Cohen is affiliated with 5 sites of care and 4 medical groups
Dr. Cohen's primary practice is Cedars-sinai Medical Center - Los Angeles (8631 W 3rd St) in Los Angeles, California. The medical group on file is Cedars-Sinai Medical Center. Dmand AI also links Dr. Cohen to 3 more group practices and clinics, 3 medical groups and 1 physician office, each named with a free account.
Cedars-sinai Medical Center - Los Angeles (8631 W 3rd St)Primary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. J. Louis Cohen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cohen practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cedars-sinai Medical Center - Los Angeles (8631 W 3rd St) | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. J. Louis Cohen is one of 532 vascular surgeons in California
Vascular surgery is Dr. Cohen's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Cohen is board certified in surgery by the American Board of Surgery. Dr. Cohen is licensed in California.
Specialties and state licenses
- Vascular surgery, CaliforniaPrimary
Vascular surgeons near Dr. Cohen
Counts of vascular surgeons 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. J. Louis Cohen billed Medicare for 197 services in 2019
CMS data shows 197 Medicare services from Dr. Cohen across 6 procedure codes in 2019. Medicare paid $7,145 for them.
Medicare services, 2019197
Paid by Medicare$7,145
Procedure codes6
Dr. Cohen's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Tests and treatments
- 2018: 1,0072019: 14386%
- Office and hospital visits
- 2018: 2192019: 5475%
- Surgery
- 2018: 1182019: 0100%
Where Dr. Cohen's Medicare services took place, 2019
- In an office5427%
- In a facility14373%
Dr. Cohen compared with the California median for vascular surgeons, 2019
- Dr. Cohen
- California median
- Medicare services
- 197vs 60968% below
- Part D claims
- 22vs 5560% below
Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.
Dr. Cohen's most billed Medicare procedure codes, 2019
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. Cohen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cohen and other vascular surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. J. Louis Cohen's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Cohen's median patient age at 47, with 75% women.
Dr. Cohen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Dr. J. Louis Cohen wrote 22 Medicare Part D claims in 2018
In 2018, Dr. Cohen wrote 22 Medicare Part D claims. They cover 1 drug, with $140 in total drug cost. In 2017, CMS named 30 claims across 1 drug.
Part D claims, 201822
Drugs named by CMS1
Total drug cost$140
Dr. Cohen's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 302018: 2227%
Drugs named by CMS: 1 in 2018, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. J. Louis Cohen has 3 publications on record
Dmand AI links 3 papers to Dr. Cohen. The most frequent topics are Methods and Veins. Dr. Cohen has published most often in Arch Surg. Dr. Cohen's most frequent co-author is Richard L. Treiman, MD.
Papers3
Topics Dr. Cohen writes about most
- Methods
- Veins
Dr. Cohen's most frequent co-authors
Recent publications by Dr. Cohen
Dermatologic Surgical ProceduresEdemaHypertension
AngiographyArteriovenous FistulaBlood Vessels
See who Dr. Cohen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cohen works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. J. Louis Cohen received $678 in industry payments from 2016 to 2021
CMS Open Payments shows 22 general payments to Dr. Cohen from 17 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 88% of the total. Stryker Corporation paid the most, $141.
General payments to Dr. Cohen by program year, 2016 to 2021
General payments to Dr. Cohen by kind, 2016 to 2021
$678in total
- Food and beverage$59788%
- Entertainment$436%
- Education$396%
Companies that paid Dr. Cohen the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. J. Louis Cohen graduated from Keck School of Medicine of USC
Dr. Cohen graduated from Keck School of Medicine of USC in 1964.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. J. Louis Cohen accepts plans from 6 insurance carriers
Dr. Cohen is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Molina
Plan types Dr. Cohen accepts, by number of carriers
- Medicare6
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. J. Louis Cohen'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) |
| 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. J. Louis Cohen
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. J. Louis Cohen's NPI number?
Dr. J. Louis Cohen's NPI number is 1720008964. It was assigned on July 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. J. Louis Cohen?
Dr. J. Louis Cohen is a vascular surgeon in Lancaster, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. J. Louis Cohen practice?
Dr. Cohen practices at 8631 W 3rd St, Los Angeles, CA 90048-5901. Dr. Cohen also practices at 1600 W Ave J, Lancaster, CA 93534. Dr. Cohen's primary practice is Cedars-sinai Medical Center - Los Angeles (8631 W 3rd St) in Los Angeles, California. Dmand AI also links Dr. Cohen to 3 group practices and clinics, 3 medical groups and 1 physician office.
What is Dr. J. Louis Cohen's office phone number?
The practice phone on file for Dr. Cohen is (310) 423-5000.
What is Dr. J. Louis Cohen's medical license number?
Dr. Cohen holds California license A021551.
What medical group is Dr. J. Louis Cohen part of?
Dr. Cohen is linked to Cedars-Sinai Medical Center. Dmand AI links Dr. Cohen to 3 more medical groups.
Does Dr. J. Louis Cohen accept Medicare?
Yes. CMS data shows Dr. Cohen billed Medicare for 197 services in 2019.
Is Dr. J. Louis Cohen board certified?
Yes. Dr. Cohen is board certified in surgery by the American Board of Surgery.
What services does Dr. J. Louis Cohen bill to Medicare?
In 2019, Dr. Cohen's most billed Medicare services were blood vessel study (93970), office visit, established patient (99213) and blood vessel study (93880).
Where did Dr. J. Louis Cohen go to medical school?
Dr. Cohen graduated from Keck School of Medicine of USC in 1964.
Show 6 more questionsShow fewer questions
What drugs does Dr. J. Louis Cohen prescribe most?
In 2018 Medicare Part D data, Dr. Cohen's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. J. Louis Cohen received payments from drug or device companies?
CMS Open Payments shows $678 in general payments to Dr. Cohen from 17 companies from 2016 to 2021. The largest total came from Stryker Corporation.
How long has Dr. J. Louis Cohen been practicing?
Dr. Cohen graduated from medical school in 1964, 62 years ago.
Does Dr. J. Louis Cohen do research?
Dmand AI links 3 publications to Dr. Cohen.
Who does Dr. J. Louis Cohen publish with?
Dr. Cohen's most frequent co-authors are Richard L. Treiman, MD (1 shared paper).
What insurance does Dr. J. Louis Cohen accept?
Dr. Cohen is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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