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Dr. John D. Kaufman, MD
NPI1801992268
- Medicare services, 2024
- 606
- Medicare patients, 2024
- 112
- Part D claims, 2024
- 113
- Publications
- 3
- Industry payments
- $1,158
- Practice address
- 24355 Lyons Ave, Santa Clarita, CA 91321
- Practice phone
- Call (661) 255-6644
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Valencia Surgical Center
Surgery Center - Not Medicare-Certified · Santa Clarita, California
Find Dr. Kaufman'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. John D. Kaufman is an orthopedic surgeon in Newhall, California
Dr. Kaufman practices at Valencia Surgical Center in Santa Clarita, California.
Dr. Kaufman's NPI, 1801992268, was assigned on September 15, 2006. Dr. Kaufman graduated from University of Nebraska College of Medicine in 1970. Dr. Kaufman holds California license C35644.
NPI and contact details
- NPI
- 1801992268NPI Registry (opens in a new tab)
- NPI enumeration date
- September 15, 2006
- NPI status
- Active
- Practice phone
- (661) 255-6644
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John D. Kaufman practices at Valencia Surgical Center in Santa Clarita, California
Dr. Kaufman's primary practice is Valencia Surgical Center, at 24355 Lyons Ave, Santa Clarita, CA 91321. The practice phone is (661) 255-6644.
- Valencia Surgical Center24355 Lyons Ave, Santa Clarita, CA 91321Phone(661) 255-6644
Source: Dmand AI Affiliation Data
Dr. John D. Kaufman is affiliated with 2 sites of care
Dr. Kaufman's primary practice is Valencia Surgical Center in Santa Clarita, California. Dmand AI also links Dr. Kaufman to 1 physician office, named with a free account.
Valencia Surgical CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John D. Kaufman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaufman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valencia Surgical Center | 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. John D. Kaufman is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Kaufman's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Kaufman is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Kaufman's licenses on file in 2 states: California and Nebraska.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Nebraska license
Clinical focus
Dmand AI lists arthritis, bursitis, carpal tunnel syndrome, hand joint or tendon inflammation, joint cyst, knee arthroscopy, knee injury and lower back pain among the conditions Dr. Kaufman treats.
Orthopedic surgeons near Dr. Kaufman
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,056orthopedic surgeons in California
3orthopedic surgeons in Newhall
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John D. Kaufman billed Medicare for 606 services in 2024
CMS data shows 606 Medicare services from Dr. Kaufman across 4 procedure codes in 2024, for 112 Medicare patients. Medicare paid $22,893 for them. Every service was in an office.
Medicare services, 2024606
Medicare patients112
Paid by Medicare$22,893
Procedure codes4
Dr. Kaufman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2872024: 3056%
- Office and hospital visits
- 2023: 3622024: 19746%
- Surgery
- 2023: 1112024: 1046%
Dr. Kaufman compared with the California median for orthopedic surgeons, 2024
- Dr. Kaufman
- California median
- Medicare services
- 606vs 68311% below
- Medicare patients
- 112vs 21548% below
- Part D claims
- 59vs 7016% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Kaufman'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kaufman and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John D. Kaufman treated 112 Medicare patients in 2024, average age 75
CMS counts 112 Medicare patients who saw Dr. Kaufman in 2024. The largest group is 75 to 84, with 57 patients. 75% of them have high cholesterol, and 71% have arthritis. 12% are also on Medicaid. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kaufman's median patient age at 65, with 62% women.
Medicare patients, 2024112
Average age75
Average risk score0.86
Also on Medicaid12%
Dr. Kaufman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kaufman's Medicare patients by sex, 2024
- Women7264%
- Men4036%
Chronic conditions among Dr. Kaufman's Medicare patients, 2024
- High cholesterol75%
- Arthritis71%
- High blood pressure70%
- Osteoporosis34%
- Diabetes23%
- Ischemic heart disease20%
- Mood disorders17%
- Depression15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kaufman'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
- Women62%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John D. Kaufman wrote 113 Medicare Part D claims in 2024
In 2024, Dr. Kaufman wrote 113 Medicare Part D claims for 40 patients. 88% of them were for generic drugs. CMS names the drug for 59 of them, across 4 drugs with 11 or more claims each, at $1,402 in total drug cost. In 2023, CMS named 115 claims across 6 drugs.
Part D claims, 2024113
Drugs named by CMS4
Total drug cost$1,402
Part D patients40
Dr. Kaufman's Part D claims by kind of drug, 2024
- Generic100 claims88%
- Brand-name and other13 claims12%
Dr. Kaufman'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. Kaufman's Part D claims, 2024
- Opioids14%16 of 113 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: 1152024: 5949%
Drugs named by CMS: 4 in 2024, 6 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
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Dr. John D. Kaufman has 3 publications on record
Dmand AI links 3 papers to Dr. Kaufman in 2016. The most frequent topics are Osteoporosis. Dr. Kaufman's most frequent co-authors are Gary E. Friedlaender, MD, James A. Goulet, MD and Kyle James Jeray, MD.
Papers3
Topics Dr. Kaufman writes about most
- Osteoporosis
Dr. Kaufman's most frequent co-authors
- Gary E. Friedlaender, MD1 shared paper
- James A. Goulet, MD1 shared paper
- Kyle James Jeray, MD1 shared paper
Recent publications by Dr. Kaufman
J Bone Joint Surg Am
Education, Medical, ContinuingHip FracturesNurse Practitioners
See who Dr. Kaufman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kaufman works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John D. Kaufman received $1,158 in industry payments from 2016 to 2023
CMS Open Payments shows 42 general payments to Dr. Kaufman from 9 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $693.
General payments to Dr. Kaufman by program year, 2016 to 2023
Companies that paid Dr. Kaufman 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. John D. Kaufman graduated from University of Nebraska College of Medicine
Dr. Kaufman graduated from University of Nebraska College of Medicine in 1970.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. John D. Kaufman accepts plans from 10 insurance carriers
Dr. Kaufman is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Excellus BlueCross BlueShield
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- +2 more carriersWith a free account
Plan types Dr. Kaufman accepts, by number of carriers
- Medicare9
- PPO8
- HMO6
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. John D. Kaufman'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) |
| 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. John D. Kaufman
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. John D. Kaufman's NPI number?
Dr. John D. Kaufman's NPI number is 1801992268. It was assigned on September 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John D. Kaufman?
Dr. John D. Kaufman is an orthopedic surgeon in Newhall, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John D. Kaufman practice?
Dr. Kaufman practices at 24355 Lyons Ave, Santa Clarita, CA 91321. Dr. Kaufman's primary practice is Valencia Surgical Center in Santa Clarita, California. Dmand AI also links Dr. Kaufman to 1 physician office.
What is Dr. John D. Kaufman's office phone number?
The practice phone on file for Dr. Kaufman is (661) 255-6644.
What is Dr. John D. Kaufman's medical license number?
Dr. Kaufman holds California license C35644, one of the licenses on file in 2 states.
Which states has Dr. John D. Kaufman been licensed in?
Dmand AI has state licenses on file for Dr. Kaufman in California (1974 to 2027) and Nebraska (1970 to 2026).
Does Dr. John D. Kaufman accept Medicare?
Yes. CMS data shows Dr. Kaufman billed Medicare for 606 services in 2024.
How many Medicare patients does Dr. John D. Kaufman see?
CMS counts 112 Medicare patients who saw Dr. Kaufman in 2024, with an average age of 75.
Is Dr. John D. Kaufman board certified?
Yes. Dr. Kaufman is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. John D. Kaufman bill to Medicare?
In 2024, Dr. Kaufman's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and surgery: bones and joints (20611).
Show 7 more questionsShow fewer questions
Where did Dr. John D. Kaufman go to medical school?
Dr. Kaufman graduated from University of Nebraska College of Medicine in 1970.
What drugs does Dr. John D. Kaufman prescribe most?
In 2024 Medicare Part D data, Dr. Kaufman's most prescribed drugs by claims were Methylprednisolone, Hydrocodone-Acetaminophen and Celecoxib.
Has Dr. John D. Kaufman received payments from drug or device companies?
CMS Open Payments shows $1,158 in general payments to Dr. Kaufman from 9 companies from 2016 to 2023. The largest total came from Amgen Inc.
How long has Dr. John D. Kaufman been practicing?
Dr. Kaufman graduated from medical school in 1970, 56 years ago.
Does Dr. John D. Kaufman do research?
Dmand AI links 3 publications to Dr. Kaufman.
Who does Dr. John D. Kaufman publish with?
Dr. Kaufman's most frequent co-authors are Gary E. Friedlaender, MD (1 shared paper), James A. Goulet, MD (1 shared paper) and Kyle James Jeray, MD (1 shared paper).
What insurance does Dr. John D. Kaufman accept?
Dr. Kaufman is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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