Dr. Steve K. Kwak, MD
- Medicare services, 2024
- 8,889
- Medicare patients, 2024
- 520
- Part D claims, 2024
- 158
- Publications
- 1
- MIPS score, 2024
- 81
- Practice address
- 15107 Vanowen St, Vannuys, CA 91405
- Practice phone
- Call (818) 782-6600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kwak'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. Steve K. Kwak is an orthopedic surgeon in Vannuys, California
Dr. Kwak practices at Valley Presbyterian Hospital in Vannuys, California, part of Valley Presbyterian Hospital.
Dr. Kwak's NPI, 1013131705, was assigned on April 12, 2007. Dr. Kwak graduated from Rutgers New Jersey Medical School in 2004. Dr. Kwak holds California license A105407.
- NPI
- 1013131705NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224180435
- NPI enumeration date
- April 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 782-6600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steve K. Kwak practices at Valley Presbyterian Hospital in Vannuys, California
Dr. Kwak's primary practice is Valley Presbyterian Hospital, at 15107 Vanowen St, Vannuys, CA 91405 in Los Angeles County. The practice phone is (818) 782-6600.
- Valley Presbyterian Hospital15107 Vanowen St, Vannuys, CA 91405 · Los Angeles CountyPhone(818) 782-6600
Source: Dmand AI Affiliation Data
Dr. Steve K. Kwak is affiliated with 13 sites of care and 2 medical groups
Dr. Kwak's primary practice is Valley Presbyterian Hospital in Vannuys, California, part of Valley Presbyterian Hospital. Dr. Kwak is also affiliated with Dignity Health - Northridge Hospital Medical Center. The medical group on file is UCLA Health. Dmand AI also links Dr. Kwak to 4 more hospitals, 5 home health agencies, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steve K. Kwak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kwak practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Presbyterian Hospital | Available with a free account |
| +12 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Valley Presbyterian Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Steve K. Kwak is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Kwak's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Kwak is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Kwak's licenses on file in 4 states: California, Massachusetts, New Jersey and Rhode Island.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Massachusetts license
- New Jersey license
- Rhode Island license
Clinical focus
Dmand AI lists arthritis, bursitis, enthesopathy in arms, fluid in a joint, hip replacement, joint arthropathy, joint pain and knee arthroscopy among the conditions Dr. Kwak treats.
Orthopedic surgeons near Dr. Kwak
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. Steve K. Kwak billed Medicare for 8,889 services in 2024
CMS data shows 8,889 Medicare services from Dr. Kwak across 19 procedure codes in 2024, for 520 Medicare patients. Medicare paid $189,869 for them.
Dr. Kwak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,1022024: 7,430574%
- Office and hospital visits
- 2023: 6142024: 69012%
- Imaging
- 2023: 3322024: 45738%
- Surgery
- 2023: 3052024: 3122%
Where Dr. Kwak's Medicare services took place, 2024
- In an office8,80799%
- In a facility821%
Dr. Kwak compared with the California median for orthopedic surgeons, 2024
- Dr. Kwak
- California median
- Medicare services
- 8,889vs 68313.0 times
- Medicare patients
- 520vs 2152.4 times
- Part D claims
- 111vs 7059% above
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Kwak'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. Kwak?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kwak and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steve K. Kwak treated 520 Medicare patients in 2024, average age 72
CMS counts 520 Medicare patients who saw Dr. Kwak in 2024. The largest group is 65 to 74, with 284 patients. 75% of them have arthritis, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kwak's median patient age at 61, with 55% women.
Dr. Kwak's Medicare patients by age, 2024
Dr. Kwak's Medicare patients by sex, 2024
- Women33665%
- Men18435%
Chronic conditions among Dr. Kwak's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure71%
- Diabetes34%
- Ischemic heart disease32%
- Mood disorders28%
- Anxiety27%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kwak's 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
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steve K. Kwak wrote 158 Medicare Part D claims in 2024
In 2024, Dr. Kwak wrote 158 Medicare Part D claims for 94 patients. 100% of them were for generic drugs. CMS names the drug for 111 of them, across 5 drugs with 11 or more claims each, at $1,183 in total drug cost. In 2023, CMS named 161 claims across 8 drugs.
Dr. Kwak'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. Kwak's Part D claims, 2024
- Opioids46%73 of 158 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: 1612024: 11131%
Drugs named by CMS: 5 in 2024, 8 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. Steve K. Kwak scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Kwak for performance year 2024, reported as part of a group. Dr. Kwak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 32 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Kwak, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Kwak's MIPS scores, performance year 2024
- 81of 100Final score
- 68.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Kwak ranks in Medicare procedure volume
- Knee replacement
- 72nd percentile39 procedures
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 78th percentile35 procedures
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 97th percentile32 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Steve K. Kwak has 1 publication on record
Dmand AI links 1 paper to Dr. Kwak in 2014. Dr. Kwak's most frequent co-authors are Gregory R. Applegate, MD, Keith Wei Chan, MD and Richard D. Ferkel, MD.
Dr. Kwak's most frequent co-authors
- Gregory R. Applegate, MD1 shared paper
- Keith Wei Chan, MD1 shared paper
- Richard D. Ferkel, MD1 shared paper
Recent publications by Dr. Kwak
See who Dr. Kwak researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kwak 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. Steve K. Kwak received $68,853 in industry payments from 2016 to 2025
CMS Open Payments shows 503 general payments to Dr. Kwak from 49 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 32% of the total. Smith & Nephew, Inc. paid the most, $23,247.
General payments to Dr. Kwak by program year, 2016 to 2025
General payments to Dr. Kwak by kind, 2016 to 2025
- Consulting fees$22,20032%
- Food and beverage$18,35627%
- Travel and lodging$15,98923%
- Speaker and faculty fees$8,01212%
- Education$4,2966%
Companies that paid Dr. Kwak 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. Steve K. Kwak has 1 award and honors on record
Dmand AI lists 1 award for Dr. Kwak, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Kwak
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Steve K. Kwak graduated from Rutgers New Jersey Medical School
Dr. Kwak graduated from Rutgers New Jersey Medical School in 2004. Dr. Kwak is a member of AAOS, AOSSM and AANA.
- Medical school
- Board certified in orthopaedic sports medicine
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Steve K. Kwak accepts plans from 15 insurance carriers
Dr. Kwak is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- LA Care
- Blue Cross Blue Shield of Massachusetts
- Molina
- +7 more carriersWith a free account
Plan types Dr. Kwak accepts, by number of carriers
- Medicare9
- PPO9
- HMO8
- EPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Steve K. Kwak'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Steve K. Kwak
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. Steve K. Kwak's NPI number?
Dr. Steve K. Kwak's NPI number is 1013131705. It was assigned on April 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Steve K. Kwak?
Dr. Steve K. Kwak is an orthopedic surgeon in Vannuys, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Steve K. Kwak practice?
Dr. Kwak practices at 15107 Vanowen St, Vannuys, CA 91405. Dr. Kwak's primary practice is Valley Presbyterian Hospital in Vannuys, California, part of Valley Presbyterian Hospital. Dmand AI also links Dr. Kwak to 4 hospitals, 5 home health agencies, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.
What is Dr. Steve K. Kwak's office phone number?
The practice phone on file for Dr. Kwak is (818) 782-6600.
What is Dr. Steve K. Kwak's medical license number?
Dr. Kwak holds California license A105407, one of the licenses on file in 4 states.
Which states has Dr. Steve K. Kwak been licensed in?
Dmand AI has state licenses on file for Dr. Kwak in California (2019 to 2027), Massachusetts, New Jersey (2010 to 2021) and Rhode Island (2007 to 2008).
Which hospitals is Dr. Steve K. Kwak affiliated with?
Dr. Kwak practices at Valley Presbyterian Hospital in Vannuys, California. Dr. Kwak is also affiliated with Dignity Health - Northridge Hospital Medical Center. Dmand AI links Dr. Kwak to 4 more hospitals.
What medical group is Dr. Steve K. Kwak part of?
Dr. Kwak is linked to UCLA Health. Dmand AI links Dr. Kwak to 1 more medical group.
Does Dr. Steve K. Kwak accept Medicare?
Yes. CMS data shows Dr. Kwak billed Medicare for 8,889 services in 2024, and Dr. Kwak accepts Medicare assignment.
What is Dr. Steve K. Kwak's MIPS score?
Dr. Kwak's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Steve K. Kwak see?
CMS counts 520 Medicare patients who saw Dr. Kwak in 2024, with an average age of 72.
Is Dr. Steve K. Kwak board certified?
Yes. Dr. Kwak is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery.
What services does Dr. Steve K. Kwak bill to Medicare?
In 2024, Dr. Kwak's most billed Medicare services were injected or infused drug (J1010), injected or infused drug (J3304) and office visit, established patient (99214).
Where did Dr. Steve K. Kwak go to medical school?
Dr. Kwak graduated from Rutgers New Jersey Medical School in 2004.
What drugs does Dr. Steve K. Kwak prescribe most?
In 2024 Medicare Part D data, Dr. Kwak's most prescribed drugs by claims were Diclofenac Sodium, Hydrocodone-Acetaminophen and Tramadol HCl.
Has Dr. Steve K. Kwak received payments from drug or device companies?
CMS Open Payments shows $68,853 in general payments to Dr. Kwak from 49 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Steve K. Kwak been practicing?
Dr. Kwak graduated from medical school in 2004, 22 years ago.
Does Dr. Steve K. Kwak do research?
Dmand AI links 1 publication to Dr. Kwak.
Who does Dr. Steve K. Kwak publish with?
Dr. Kwak's most frequent co-authors are Gregory R. Applegate, MD (1 shared paper), Keith Wei Chan, MD (1 shared paper) and Richard D. Ferkel, MD (1 shared paper).
What insurance does Dr. Steve K. Kwak accept?
Dr. Kwak is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to orthopaedic surgery practices?
See orthopedic surgeons in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card