Dr. Mark Daniel Kohn, MD
- Medicare services, 2024
- 629
- Medicare patients, 2024
- 174
- Part D claims, 2024
- 202
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 12911 120th Avenue Ne, Bldg H, Kirkland, WA 98034
- Practice phone
- Call (425) 481-6301
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Proliance Eastside Surgery Center
Surgery Center - Medicare-Certified · Kirkland, Washington
Find Dr. Kohn'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. Mark Daniel Kohn is an orthopedic surgeon in Kirkland, Washington
Dr. Kohn practices at Proliance Eastside Surgery Center in Kirkland, Washington.
Dr. Kohn's NPI, 1912360272, was assigned on April 3, 2016. Dr. Kohn graduated from Saint Louis University School of Medicine in 2016. Dr. Kohn holds Washington license MD61191259.
- NPI
- 1912360272NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426340035
- NPI enumeration date
- April 3, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (425) 481-6301
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Daniel Kohn practices at Proliance Eastside Surgery Center in Kirkland, Washington
Dr. Kohn's primary practice is Proliance Eastside Surgery Center, at 12911 120th Avenue Ne, Bldg H, Kirkland, WA 98034. The practice phone is (425) 481-6301.
- Proliance Eastside Surgery Center12911 120th Avenue Ne, Bldg H, Kirkland, WA 98034Phone(425) 481-6301
Source: Dmand AI Affiliation Data
Dr. Mark Daniel Kohn is affiliated with 3 sites of care and 1 medical group
Dr. Kohn's primary practice is Proliance Eastside Surgery Center in Kirkland, Washington. Dr. Kohn is also affiliated with EvergreenHealth Medical Center. The medical group on file is Seattle Orthopedic Center. Dmand AI also links Dr. Kohn to 1 more home health agency, named with a free account. Dr. Kohn's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Daniel Kohn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kohn practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Proliance Eastside Surgery 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. Mark Daniel Kohn is one of 514 orthopedic surgeons in Washington
Orthopaedic surgery is Dr. Kohn's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Kohn is licensed in Washington.
Specialties and state licenses
- Orthopaedic surgery, WashingtonPrimary
Orthopedic surgeons near Dr. Kohn
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. Mark Daniel Kohn billed Medicare for 629 services in 2024
CMS data shows 629 Medicare services from Dr. Kohn across 8 procedure codes in 2024, for 174 Medicare patients. Medicare paid $26,376 for them. Every service was in an office.
Dr. Kohn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2532024: 31223%
- Office and hospital visits
- 2023: 1542024: 19527%
- Surgery
- 2023: 572024: 7023%
- Imaging
- 2023: 02024: 52
Dr. Kohn compared with the Washington median for orthopedic surgeons, 2024
- Dr. Kohn
- Washington median
- Medicare services
- 629vs 6706% below
- Medicare patients
- 174vs 21619% below
- Part D claims
- 159vs 8294% above
Medians across 493 orthopedic surgeons in Washington with Dmand AI profiles that report each measure.
Dr. Kohn'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. Kohn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kohn and other orthopedic surgeons in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Daniel Kohn treated 174 Medicare patients in 2024, average age 76
CMS counts 174 Medicare patients who saw Dr. Kohn in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have arthritis, and 74% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kohn's median patient age at 59, with 51% women.
Dr. Kohn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kohn's Medicare patients by sex, 2024
- Women10259%
- Men7241%
Chronic conditions among Dr. Kohn's Medicare patients, 2024
- Arthritis75%
- High cholesterol74%
- High blood pressure73%
- Diabetes32%
- Chronic kidney disease29%
- Ischemic heart disease28%
- Atrial fibrillation23%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kohn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Daniel Kohn wrote 202 Medicare Part D claims in 2024
In 2024, Dr. Kohn wrote 202 Medicare Part D claims for 61 patients. 95% of them were for generic drugs. CMS names the drug for 159 of them, across 6 drugs with 11 or more claims each, at $997 in total drug cost. In 2023, CMS named 91 claims across 3 drugs.
Dr. Kohn's Part D claims by kind of drug, 2024
- Generic191 claims95%
- Brand-name11 claims5%
Dr. Kohn'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. Kohn's Part D claims, 2024
- Opioids30%61 of 202 claims
- Antibiotics29%58 of 202 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: 912024: 15975%
Drugs named by CMS: 6 in 2024, 3 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. Mark Daniel Kohn takes part in Medicare
Dr. Kohn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Knee replacement: 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. Mark Daniel Kohn has 2 publications on record
Dmand AI links 2 papers to Dr. Kohn, published from 2020 to 2023. Dr. Kohn's most frequent co-author is Navin D. Fernando, MD.
Dr. Kohn's most frequent co-authors
Recent publications by Dr. Kohn
See who Dr. Kohn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kohn 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. Mark Daniel Kohn received $4,853 in industry payments from 2018 to 2025
CMS Open Payments shows 26 general payments to Dr. Kohn from 5 drug and device companies from 2018 to 2025. Education make up the largest share, 62% of the total. Smith & Nephew, Inc. paid the most, $3,000.
General payments to Dr. Kohn by program year, 2018 to 2025
General payments to Dr. Kohn by kind, 2018 to 2025
- Education$3,00062%
- Food and beverage$1,61533%
- Travel and lodging$2395%
Companies that paid Dr. Kohn the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Daniel Kohn graduated from Saint Louis University School of Medicine
Dr. Kohn graduated from Saint Louis University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Daniel Kohn'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) |
| 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 |
| 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. Mark Daniel Kohn
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. Mark Daniel Kohn's NPI number?
Dr. Mark Daniel Kohn's NPI number is 1912360272. It was assigned on April 3, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Daniel Kohn?
Dr. Mark Daniel Kohn is an orthopedic surgeon in Kirkland, Washington. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Mark Daniel Kohn practice?
Dr. Kohn practices at 12911 120th Avenue Ne, Bldg H, Kirkland, WA 98034. Dr. Kohn's primary practice is Proliance Eastside Surgery Center in Kirkland, Washington. Dmand AI also links Dr. Kohn to 1 home health agency.
What is Dr. Mark Daniel Kohn's office phone number?
The practice phone on file for Dr. Kohn is (425) 481-6301.
What is Dr. Mark Daniel Kohn's medical license number?
Dr. Kohn holds Washington license MD61191259.
Which hospitals is Dr. Mark Daniel Kohn affiliated with?
Dr. Kohn is affiliated with EvergreenHealth Medical Center.
What medical group is Dr. Mark Daniel Kohn part of?
Dr. Kohn is linked to Seattle Orthopedic Center.
Does Dr. Mark Daniel Kohn accept Medicare?
Yes. CMS data shows Dr. Kohn billed Medicare for 629 services in 2024, and Dr. Kohn accepts Medicare assignment.
How many Medicare patients does Dr. Mark Daniel Kohn see?
CMS counts 174 Medicare patients who saw Dr. Kohn in 2024, with an average age of 76.
What services does Dr. Mark Daniel Kohn bill to Medicare?
In 2024, Dr. Kohn's most billed Medicare services were injected or infused drug (J3301), office visit, new patient (99204) and surgery: bones and joints (20610).
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Where did Dr. Mark Daniel Kohn go to medical school?
Dr. Kohn graduated from Saint Louis University School of Medicine in 2016.
What drugs does Dr. Mark Daniel Kohn prescribe most?
In 2024 Medicare Part D data, Dr. Kohn's most prescribed drugs by claims were Oxycodone HCl, Cefadroxil and Celecoxib.
Has Dr. Mark Daniel Kohn received payments from drug or device companies?
CMS Open Payments shows $4,853 in general payments to Dr. Kohn from 5 companies from 2018 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Mark Daniel Kohn been practicing?
Dr. Kohn graduated from medical school in 2016, 10 years ago.
Does Dr. Mark Daniel Kohn do research?
Dmand AI links 2 publications to Dr. Kohn, published from 2020 to 2023.
Who does Dr. Mark Daniel Kohn publish with?
Dr. Kohn's most frequent co-authors are Navin D. Fernando, MD (2 shared papers).
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