Dr. Jonathan T. Nassos, MD
- Medicare services, 2018
- 25
- Part D claims, 2024
- 69
- Industry payments
- $7,340
- Affiliated sites
- 2
- State license
- 1
- Practice address
- 5651 Sepulveda Blvd, Suite 101, Sherman Oaks, CA 91411
- Practice phone
- Call (818) 442-9696
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kinetix Surgery Center
Surgery Center - Medicare-Certified · Sherman Oaks, California
Find Dr. Nassos' professional email, personal email and mobile number
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Dr. Jonathan T. Nassos is an orthopedic surgeon in Vannuys, California
Dr. Nassos practices at Kinetix Surgery Center in Sherman Oaks, California.
Dr. Nassos' NPI, 1770761934, was assigned on February 8, 2008. Dr. Nassos graduated from Loyola University of Chicago, Stritch School of Medicine in 2003. Dr. Nassos holds Illinois license 036114903.
- NPI
- 1770761934NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769558717
- NPI enumeration date
- February 8, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 442-9696
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan T. Nassos practices at Kinetix Surgery Center in Sherman Oaks, California
Dr. Nassos' primary practice is Kinetix Surgery Center, at 5651 Sepulveda Blvd, Suite 101, Sherman Oaks, CA 91411. The practice phone is (818) 442-9696.
- Kinetix Surgery Center5651 Sepulveda Blvd, Suite 101, Sherman Oaks, CA 91411Phone(818) 442-9696
Source: Dmand AI Affiliation Data
Dr. Jonathan T. Nassos is affiliated with 2 sites of care
Dr. Nassos' primary practice is Kinetix Surgery Center in Sherman Oaks, California. Dmand AI also links Dr. Nassos to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan T. Nassos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nassos practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kinetix Surgery 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. Jonathan T. Nassos is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Nassos' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Nassos is licensed in Illinois.
Specialties and state licenses
- Orthopaedic surgery, IllinoisPrimary
Orthopedic surgeons near Dr. Nassos
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. Jonathan T. Nassos billed Medicare for 25 services in 2018
CMS data shows 25 Medicare services from Dr. Nassos across 1 procedure code in 2018, all of them office visits. Medicare paid $3,456 for them. Every service was in an office.
Dr. Nassos compared with the California median for orthopedic surgeons, 2018
- Dr. Nassos
- California median
- Medicare services
- 25vs 68396% below
- Part D claims
- 36vs 7049% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Nassos' most billed Medicare procedure codes, 2018
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. Nassos and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan T. Nassos' patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Nassos' median patient age at 61, with 46% women.
Dr. Nassos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women46%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Jonathan T. Nassos wrote 69 Medicare Part D claims in 2024
In 2024, Dr. Nassos wrote 69 Medicare Part D claims for 22 patients. 100% of them were for generic drugs. CMS names the drug for 36 of them, across 2 drugs with 11 or more claims each, at $152 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Nassos' 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. Nassos' Part D claims, 2024
- Opioids28%19 of 69 claims
- Antibiotics17%12 of 69 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: 122024: 36200%
Drugs named by CMS: 2 in 2024, 1 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
How Dr. Jonathan T. Nassos takes part in Medicare
Dr. Nassos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jonathan T. Nassos received $7,340 in industry payments from 2017 to 2025
CMS Open Payments shows 36 general payments to Dr. Nassos from 12 drug and device companies from 2017 to 2025. Education make up the largest share, 73% of the total. Micromed Inc paid the most, $3,148.
General payments to Dr. Nassos by program year, 2017 to 2025
General payments to Dr. Nassos by kind, 2017 to 2025
- Education$5,38373%
- Food and beverage$1,39619%
- Travel and lodging$5618%
Companies that paid Dr. Nassos the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan T. Nassos graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Nassos graduated from Loyola University of Chicago, Stritch School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan T. Nassos'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)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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Jonathan T. Nassos
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What is Dr. Jonathan T. Nassos' NPI number?
Dr. Jonathan T. Nassos' NPI number is 1770761934. It was assigned on February 8, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan T. Nassos?
Dr. Jonathan T. Nassos is an orthopedic surgeon in Vannuys, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Jonathan T. Nassos practice?
Dr. Nassos practices at 5651 Sepulveda Blvd, Suite 101, Sherman Oaks, CA 91411. Dr. Nassos' primary practice is Kinetix Surgery Center in Sherman Oaks, California. Dmand AI also links Dr. Nassos to 1 physician office.
What is Dr. Jonathan T. Nassos' office phone number?
The practice phone on file for Dr. Nassos is (818) 442-9696.
What is Dr. Jonathan T. Nassos' medical license number?
Dr. Nassos holds Illinois license 036114903.
Does Dr. Jonathan T. Nassos accept Medicare?
Yes. CMS data shows Dr. Nassos billed Medicare for 25 services in 2018, and Dr. Nassos accepts Medicare assignment.
What services does Dr. Jonathan T. Nassos bill to Medicare?
In 2018, Dr. Nassos' most billed Medicare services were office visit, new patient (99204).
Where did Dr. Jonathan T. Nassos go to medical school?
Dr. Nassos graduated from Loyola University of Chicago, Stritch School of Medicine in 2003.
What drugs does Dr. Jonathan T. Nassos prescribe most?
In 2024 Medicare Part D data, Dr. Nassos' most prescribed drugs by claims were Meloxicam and Hydrocodone-Acetaminophen.
Has Dr. Jonathan T. Nassos received payments from drug or device companies?
CMS Open Payments shows $7,340 in general payments to Dr. Nassos from 12 companies from 2017 to 2025. The largest total came from Micromed Inc.
How long has Dr. Jonathan T. Nassos been practicing?
Dr. Nassos graduated from medical school in 2003, 23 years ago.
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