Dr. James Roger Kahn, MD
- Medicare services, 2017
- 13,247
- Part D claims, 2018
- 33
- Industry payments
- $313
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 3883 Airway Dr, Santa Rosa, CA 95403
- Practice phone
- Call (707) 303-3600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vista Campus
Multi-specialty group site · Santa Rosa, California
Find Dr. Kahn'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. James Roger Kahn is a dermatologist in Santa Rosa, California
Dr. Kahn practices at Vista Campus in Santa Rosa, California.
Dr. Kahn's NPI, 1316030224, was assigned on October 2, 2006. Dr. Kahn graduated from David Geffen School of Medicine at UCLA in 1985. Dr. Kahn holds California license 207N00000X.
- NPI
- 1316030224NPI Registry (opens in a new tab)
- NPI enumeration date
- October 2, 2006
- NPI status
- Active
- Practice phone
- (707) 303-3600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. James Roger Kahn practices at Vista Campus in Santa Rosa, California
Dr. Kahn's primary practice is Vista Campus, at 3883 Airway Dr, Santa Rosa, CA 95403. The practice phone is (707) 303-3600.
- Vista Campus3883 Airway Dr, Santa Rosa, CA 95403Phone(707) 303-3600
Source: Dmand AI Affiliation Data
Dr. James Roger Kahn is affiliated with 2 sites of care and 2 medical groups
Dr. Kahn's primary practice is Vista Campus in Santa Rosa, California. The medical group on file is Santa Rosa Community Health. Dmand AI also links Dr. Kahn to 1 more group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James Roger Kahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kahn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vista Campus | 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. James Roger Kahn is one of 1,910 dermatologists in California
Dermatology is Dr. Kahn's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Kahn is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Kahn's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
- Arizona license
Dermatologists near Dr. Kahn
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
Dr. James Roger Kahn billed Medicare for 13,247 services in 2017
CMS data shows 13,247 Medicare services from Dr. Kahn across 24 procedure codes in 2017. Medicare paid $490,936 for them. Every service was in an office.
Dr. Kahn's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Surgery
- 2016: 15,5802017: 9,87737%
- Office and hospital visits
- 2016: 4,2732017: 2,65438%
- Lab and pathology
- 2016: 1,1702017: 71639%
- Tests and treatments
- 2016: 152017: 0100%
Dr. Kahn compared with the California median for dermatologists, 2017
- Dr. Kahn
- California median
- Medicare services
- 13,247vs 1,7507.6 times
- Part D claims
- 33vs 36791% below
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. Kahn's most billed Medicare procedure codes, 2017
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. Kahn and other dermatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Roger Kahn's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Kahn's median patient age at 65, with 70% women.
Dr. Kahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women70%
- Men30%
Source: Dmand AI Patient Panel Data
Dr. James Roger Kahn wrote 33 Medicare Part D claims in 2018
In 2018, Dr. Kahn wrote 33 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $463 in total drug cost. In 2017, CMS named 367 claims across 13 drugs.
Dr. Kahn'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: 3672018: 3391%
Drugs named by CMS: 2 in 2018, 13 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. James Roger Kahn received $313 in industry payments from 2016 to 2021
CMS Open Payments shows 8 general payments to Dr. Kahn from 4 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $121.
General payments to Dr. Kahn by program year, 2016 to 2021
Companies that paid Dr. Kahn 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. James Roger Kahn has 1 award and honors on record
Dmand AI lists 1 award for Dr. Kahn.
Awards and honors for Dr. Kahn
- Undated
- AAD Fellow
Source: Dmand AI Professional Profile Data
Dr. James Roger Kahn graduated from David Geffen School of Medicine at UCLA
Dr. Kahn graduated from David Geffen School of Medicine at UCLA in 1985. Dr. Kahn is a member of AAD.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. James Roger Kahn accepts plans from 4 insurance carriers
Dr. Kahn is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Kahn accepts, by number of carriers
- PPO4
- Medicare3
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. James Roger Kahn'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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 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) |
| 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 Dr. James Roger Kahn
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. James Roger Kahn's NPI number?
Dr. James Roger Kahn's NPI number is 1316030224. It was assigned on October 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Roger Kahn?
Dr. James Roger Kahn is a dermatologist in Santa Rosa, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. James Roger Kahn practice?
Dr. Kahn practices at 3883 Airway Dr, Santa Rosa, CA 95403. Dr. Kahn's primary practice is Vista Campus in Santa Rosa, California. Dmand AI also links Dr. Kahn to 1 group practice or clinic and 1 medical group.
What is Dr. James Roger Kahn's office phone number?
The practice phone on file for Dr. Kahn is (707) 303-3600.
What is Dr. James Roger Kahn's medical license number?
Dr. Kahn holds California license 207N00000X, one of the licenses on file in 2 states.
Which states has Dr. James Roger Kahn been licensed in?
Dmand AI has state licenses on file for Dr. Kahn in California (1986 to 2026) and Arizona (since 1989).
What medical group is Dr. James Roger Kahn part of?
Dr. Kahn is linked to Santa Rosa Community Health. Dmand AI links Dr. Kahn to 1 more medical group.
Does Dr. James Roger Kahn accept Medicare?
Yes. CMS data shows Dr. Kahn billed Medicare for 13,247 services in 2017.
Is Dr. James Roger Kahn board certified?
Yes. Dr. Kahn is board certified in dermatology by the American Board of Dermatology.
What services does Dr. James Roger Kahn bill to Medicare?
In 2017, Dr. Kahn's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).
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Where did Dr. James Roger Kahn go to medical school?
Dr. Kahn graduated from David Geffen School of Medicine at UCLA in 1985.
What drugs does Dr. James Roger Kahn prescribe most?
In 2018 Medicare Part D data, Dr. Kahn's most prescribed drugs by claims were Triamcinolone Acetonide and Hydrocortisone.
Has Dr. James Roger Kahn received payments from drug or device companies?
CMS Open Payments shows $313 in general payments to Dr. Kahn from 4 companies from 2016 to 2021. The largest total came from Eli Lilly and Company.
How long has Dr. James Roger Kahn been practicing?
Dr. Kahn graduated from medical school in 1985, 41 years ago.
What insurance does Dr. James Roger Kahn accept?
Dr. Kahn is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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