Equipment DesignEvaluation Studies as TopicKidney Calculi
Dr. Robert Ira Kahn, MD
NPI1457456519
- Medicare services, 2019
- 2,416
- Part D claims, 2022
- 22
- Publications
- 10
- Hospital affiliations
- 1
- Industry payments
- $4,364
- Practice address
- 155 Glasson Way, Grass Valley, CA 95945
- Practice phone
- Call (530) 274-6000
- 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. Robert Ira Kahn is a urologist in Grass Valley, California
Dr. Kahn practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health.
Dr. Kahn's NPI, 1457456519, was assigned on September 13, 2006. Dr. Kahn graduated from Duke University School Of Medicine in 1975. Dr. Kahn holds California license G33338.
NPI and contact details
- NPI
- 1457456519NPI Registry (opens in a new tab)
- NPI enumeration date
- September 13, 2006
- NPI status
- Active
- Practice phone
- (530) 274-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Ira Kahn practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California
Dr. Kahn's primary practice is Dignity Health - Sierra Nevada Memorial Hospital, at 155 Glasson Way, Grass Valley, CA 95945 in Nevada County. The practice phone is (530) 274-6000.
- Dignity Health - Sierra Nevada Memorial Hospital155 Glasson Way, Grass Valley, CA 95945 · Nevada CountyPhone(530) 274-6000
Source: Dmand AI Affiliation Data
Dr. Robert Ira Kahn is affiliated with 2 sites of care and 1 medical group
Dr. Kahn's primary practice is Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Kahn to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Ira 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 |
|---|---|
| Dignity Health - Sierra Nevada Memorial Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Ira Kahn is one of 1,395 urologists in California
Urology is Dr. Kahn's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Kahn is board certified in urology by the American Board of Urology. Dr. Kahn is licensed in California.
Specialties and state licenses
- Urology, CaliforniaPrimary
Urologists near Dr. Kahn
Counts of urologists 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. Robert Ira Kahn billed Medicare for 2,416 services in 2019
CMS data shows 2,416 Medicare services from Dr. Kahn across 16 procedure codes in 2019. Medicare paid $109,634 for them.
Medicare services, 20192,416
Paid by Medicare$109,634
Procedure codes16
Dr. Kahn's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 9082019: 1,04615%
- Lab and pathology
- 2018: 8932019: 1,01514%
- Surgery
- 2018: 2232019: 35559%
Where Dr. Kahn's Medicare services took place, 2019
- In an office2,32896%
- In a facility884%
Dr. Kahn compared with the California median for urologists, 2019
- Dr. Kahn
- California median
- Medicare services
- 2,416vs 1,0502.3 times
- Part D claims
- 22vs 64297% below
Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.
Dr. Kahn'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. Kahn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kahn and other urologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Ira Kahn's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Kahn's median patient age at 77, with 36% 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 77
Patient panel by sex, all payers
- Women36%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. Robert Ira Kahn wrote 22 Medicare Part D claims in 2022
In 2022, Dr. Kahn wrote 22 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $444 in total drug cost. In 2021, CMS named 161 claims across 5 drugs.
Part D claims, 202222
Drugs named by CMS1
Total drug cost$444
Dr. Kahn's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1612022: 2286%
Drugs named by CMS: 1 in 2022, 5 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert Ira Kahn has 10 publications on record
Dmand AI links 10 papers to Dr. Kahn. The most frequent topics are Kidney Calculi, Lithotripsy and Ureteral Calculi. Dr. Kahn has published most often in J Urol. Dr. Kahn's most frequent co-authors are Greg A. Barme, MD, Ralph V. Clayman, MD and Edward James Collins, MD.
Papers10
Topics Dr. Kahn writes about most
- Kidney Calculi
- Lithotripsy
- Ureteral Calculi
Dr. Kahn's most frequent co-authors
- Greg A. Barme, MD1 shared paper
- Ralph V. Clayman, MD1 shared paper
- Edward James Collins, MD1 shared paper
Recent publications by Dr. Kahn
Biomarkers, TumorCarcinoma, Transitional CellGenomics
DebridementEstheticsFasciitis
AnesthesiaContrast MediaDilatation
CastrationGranulomaOrchitis
See who Dr. Kahn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kahn works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Ira Kahn received $4,364 in industry payments from 2016 to 2020
CMS Open Payments shows 156 general payments to Dr. Kahn from 37 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 90% of the total. Intuitive Surgical, Inc. paid the most, $1,008.
General payments to Dr. Kahn by program year, 2016 to 2020
General payments to Dr. Kahn by kind, 2016 to 2020
$4.4Kin total
- Food and beverage$3,92590%
- Travel and lodging$42010%
- Education$190%
Companies that paid Dr. Kahn the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Ira Kahn has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Kahn, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Kahn
- 2014
- Regional Top Doctor
- Undated
- ACS Fellow
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Robert Ira Kahn graduated from Duke University School Of Medicine
Dr. Kahn graduated from Duke University School Of Medicine in 1975. Dr. Kahn is a member of ACS.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. Robert Ira Kahn accepts plans from 14 insurance carriers
Dr. Kahn is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Kahn accepts, by number of carriers
- PPO10
- Medicare7
- HMO6
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Ira 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 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) |
| 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. Robert Ira 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. Robert Ira Kahn's NPI number?
Dr. Robert Ira Kahn's NPI number is 1457456519. It was assigned on September 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Ira Kahn?
Dr. Robert Ira Kahn is a urologist in Grass Valley, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Robert Ira Kahn practice?
Dr. Kahn practices at 155 Glasson Way, Grass Valley, CA 95945. Dr. Kahn's primary practice is Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health. Dmand AI also links Dr. Kahn to 1 group practice or clinic.
What is Dr. Robert Ira Kahn's office phone number?
The practice phone on file for Dr. Kahn is (530) 274-6000.
What is Dr. Robert Ira Kahn's medical license number?
Dr. Kahn holds California license G33338.
Which hospitals is Dr. Robert Ira Kahn affiliated with?
Dr. Kahn practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California.
What medical group is Dr. Robert Ira Kahn part of?
Dr. Kahn is linked to Palo Alto Foundation Medical Group.
Does Dr. Robert Ira Kahn accept Medicare?
Yes. CMS data shows Dr. Kahn billed Medicare for 2,416 services in 2019.
Is Dr. Robert Ira Kahn board certified?
Yes. Dr. Kahn is board certified in urology by the American Board of Urology.
What services does Dr. Robert Ira Kahn bill to Medicare?
In 2019, Dr. Kahn's most billed Medicare services were lab and pathology test (81000), office visit, established patient (99213) and surgery: urinary system (51798).
Show 7 more questionsShow fewer questions
Where did Dr. Robert Ira Kahn go to medical school?
Dr. Kahn graduated from Duke University School Of Medicine in 1975.
What drugs does Dr. Robert Ira Kahn prescribe most?
In 2022 Medicare Part D data, Dr. Kahn's most prescribed drugs by claims were Tamsulosin HCl.
Has Dr. Robert Ira Kahn received payments from drug or device companies?
CMS Open Payments shows $4,364 in general payments to Dr. Kahn from 37 companies from 2016 to 2020. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Robert Ira Kahn been practicing?
Dr. Kahn graduated from medical school in 1975, 51 years ago.
Does Dr. Robert Ira Kahn do research?
Dmand AI links 10 publications to Dr. Kahn.
Who does Dr. Robert Ira Kahn publish with?
Dr. Kahn's most frequent co-authors are Greg A. Barme, MD (1 shared paper), Ralph V. Clayman, MD (1 shared paper) and Edward James Collins, MD (1 shared paper).
What insurance does Dr. Robert Ira Kahn accept?
Dr. Kahn is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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