Dr. Clifford Robert Kahn, MD
- Medicare services, 2024
- 1,482
- Medicare patients, 2024
- 146
- Part D claims, 2024
- 242
- Hospital affiliations
- 1
- Industry payments
- $7,497
- Practice address
- 18321 Clark Street, Tarzana, CA 91356
- Practice phone
- Call (818) 881-0800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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. Clifford Robert Kahn is an orthopedic surgeon in Tarzana, California
Dr. Kahn practices at Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California, part of Providence Health & Services.
Dr. Kahn's NPI, 1619958626, was assigned on November 7, 2005. Dr. Kahn graduated from UC San Diego School of Medicine in 1976. Dr. Kahn holds California license G34659.
- NPI
- 1619958626NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567406648
- NPI enumeration date
- November 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 881-0800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- 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. Clifford Robert Kahn practices at Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California
Dr. Kahn's primary practice is Providence Cedars-Sinai Tarzana Medical Center, at 18321 Clark Street, Tarzana, CA 91356 in Los Angeles County. The practice phone is (818) 881-0800.
- Providence Cedars-Sinai Tarzana Medical Center18321 Clark Street, Tarzana, CA 91356 · Los Angeles CountyPhone(818) 881-0800
Source: Dmand AI Affiliation Data
Dr. Clifford Robert Kahn is affiliated with 3 sites of care
Dr. Kahn's primary practice is Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California, part of Providence Health & Services. Dmand AI also links Dr. Kahn to 2 home health agencies, each named with a free account. Dr. Kahn's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Clifford Robert Kahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kahn practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Cedars-Sinai Tarzana Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Clifford Robert Kahn is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Kahn's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Kahn is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Kahn is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists ankle or foot injury, joint pain, minor injury to a limb, muscle pain, fibromyalgia, and limb pain, plantar fasciitis, removal of damaged skin or skin graft and tendon and ligament injury among the conditions Dr. Kahn treats.
Orthopedic surgeons near Dr. Kahn
Counts of orthopedic 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. Clifford Robert Kahn billed Medicare for 1,482 services in 2024
CMS data shows 1,482 Medicare services from Dr. Kahn across 7 procedure codes in 2024, for 146 Medicare patients. Medicare paid $77,507 for them.
Dr. Kahn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 6372024: 82129%
- Office and hospital visits
- 2023: 4002024: 64361%
- Imaging
- 2023: 622024: 1871%
Where Dr. Kahn's Medicare services took place, 2024
- In an office1107%
- In a facility1,37293%
Dr. Kahn compared with the California median for orthopedic surgeons, 2024
- Dr. Kahn
- California median
- Medicare services
- 1,482vs 6832.2 times
- Medicare patients
- 146vs 21532% below
- Part D claims
- 174vs 702.5 times
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Kahn'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. Kahn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kahn and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Clifford Robert Kahn treated 146 Medicare patients in 2024, average age 78
CMS counts 146 Medicare patients who saw Dr. Kahn in 2024. The largest group is 75 to 84, with 60 patients. 75% of them have arthritis, and 75% have high blood pressure. 16% are also on Medicaid. Their average risk score is 2.08, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kahn's median patient age at 73, with 39% women.
Dr. Kahn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kahn's Medicare patients by sex, 2024
- Women8458%
- Men6242%
Chronic conditions among Dr. Kahn's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease46%
- Diabetes45%
- Chronic kidney disease36%
- Mood disorders33%
- Osteoporosis33%
Share of Medicare patients with each condition. A patient can have several.
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 73
Patient panel by sex, all payers
- Women39%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Clifford Robert Kahn wrote 242 Medicare Part D claims in 2024
In 2024, Dr. Kahn wrote 242 Medicare Part D claims for 54 patients. 88% of them were for generic drugs. CMS names the drug for 174 of them, across 13 drugs with 11 or more claims each, at $11,758 in total drug cost. In 2023, CMS named 136 claims across 11 drugs.
Dr. Kahn's Part D claims by kind of drug, 2024
- Generic212 claims88%
- Brand-name30 claims12%
Dr. Kahn'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.
Drug classes CMS tracks in Dr. Kahn's Part D claims, 2024
- Antibiotics40%97 of 242 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1362024: 17428%
Drugs named by CMS: 13 in 2024, 11 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
Dr. Clifford Robert Kahn ranks in the 99th percentile for removal of tissue in Medicare
Dr. Kahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 1,133 procedures of removal of tissue by Dr. Kahn, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Kahn ranks in Medicare procedure volume
- Removal of tissue
- 99th percentile1,133 procedures
- Removal of skin lesions
- 61st percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Clifford Robert Kahn received $7,497 in industry payments from 2016 to 2025
CMS Open Payments shows 201 general payments to Dr. Kahn from 45 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 89% of the total. Organogenesis Inc. paid the most, $1,735.
General payments to Dr. Kahn by program year, 2016 to 2025
General payments to Dr. Kahn by kind, 2016 to 2025
- Food and beverage$6,69589%
- Consulting fees$80011%
- Travel and lodging$20%
Companies that paid Dr. Kahn the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Clifford Robert Kahn has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Kahn, most recently Top Doctors:LA Area in 2013.
Awards and honors for Dr. Kahn
- 2013
- Top Doctors:LA Area
- 2012
- Top Doctors:Southern California
Source: Dmand AI Professional Profile Data
Dr. Clifford Robert Kahn graduated from UC San Diego School of Medicine
Dr. Kahn graduated from UC San Diego School of Medicine in 1976. Dr. Kahn is a member of AAOS, AOFAS, California Orthopedic Association and Western Orthopdec Association.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Clifford Robert Kahn accepts plans from 8 insurance carriers
Dr. Kahn is in network with 8 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
- CMS Medicare
- Delta Dental
- United Healthcare
Plan types Dr. Kahn accepts, by number of carriers
- Medicare6
- PPO6
- EPO2
- HMO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Clifford Robert 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 DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Clifford Robert 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. Clifford Robert Kahn's NPI number?
Dr. Clifford Robert Kahn's NPI number is 1619958626. It was assigned on November 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Clifford Robert Kahn?
Dr. Clifford Robert Kahn is an orthopedic surgeon in Tarzana, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Clifford Robert Kahn practice?
Dr. Kahn practices at 18321 Clark Street, Tarzana, CA 91356. Dr. Kahn's primary practice is Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California, part of Providence Health & Services. Dmand AI also links Dr. Kahn to 2 home health agencies.
What is Dr. Clifford Robert Kahn's office phone number?
The practice phone on file for Dr. Kahn is (818) 881-0800.
What is Dr. Clifford Robert Kahn's medical license number?
Dr. Kahn holds California license G34659.
Which hospitals is Dr. Clifford Robert Kahn affiliated with?
Dr. Kahn practices at Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California.
Does Dr. Clifford Robert Kahn accept Medicare?
Yes. CMS data shows Dr. Kahn billed Medicare for 1,482 services in 2024, and Dr. Kahn accepts Medicare assignment.
How many Medicare patients does Dr. Clifford Robert Kahn see?
CMS counts 146 Medicare patients who saw Dr. Kahn in 2024, with an average age of 78.
Is Dr. Clifford Robert Kahn board certified?
Yes. Dr. Kahn is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Clifford Robert Kahn bill to Medicare?
In 2024, Dr. Kahn's most billed Medicare services were surgery: skin and soft tissue (11042), office visit, established patient (99213) and surgery: skin and soft tissue (11045).
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Where did Dr. Clifford Robert Kahn go to medical school?
Dr. Kahn graduated from UC San Diego School of Medicine in 1976.
What drugs does Dr. Clifford Robert Kahn prescribe most?
In 2024 Medicare Part D data, Dr. Kahn's most prescribed drugs by claims were Doxycycline Hyclate, Cefadroxil and Amoxicillin-Clavulanate Potass.
Has Dr. Clifford Robert Kahn received payments from drug or device companies?
CMS Open Payments shows $7,497 in general payments to Dr. Kahn from 45 companies from 2016 to 2025. The largest total came from Organogenesis Inc.
How long has Dr. Clifford Robert Kahn been practicing?
Dr. Kahn graduated from medical school in 1976, 50 years ago.
What insurance does Dr. Clifford Robert Kahn accept?
Dr. Kahn is in network with 8 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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