Dr. Nicholas M. Mark, M.D.
Critical Care Medicine (Critical Care Medicine (Internal Medicine) Physician)
925 Seneca St
Seattle, WA 98101
Who else practices at this address →
King County includes primary care (5% of residents) and dental (4% of residents) and mental health (4% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- New York University School of Medicine (2011)
- Years since graduation
- 15
- In the NPI registry since
- 2011
- Medicare patients seen, 2024
- 20
Licensed in Washington since 2014, according to the Washington State Department of Health. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2011Medical school: New York University School of Medicine
- 2011Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Critical Care Medicine (Internal Medicine) Physician primary
WA license MD60481597 (first issued 2014; active) - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Swedish Medical Center Seattle, WA
- Swedish Medical Center / Cherry Hill Seattle, WA
- Swedish Issaquah Issaquah, WA
Medical groups
- Swedish Health Services (1,037 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 20
- Services billed
- 30
- Patients’ average age
- 75
| Service | Times | Patients |
|---|---|---|
| Critical care, first 30-74 minutes | 47 | 42 |
| Insertion of artery tube for blood sampling or infusion through skin | 13 | 13 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 11 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Payments from drug and device companies
In 2025, 1 companies reported 1 payments worth $172 in total to this clinician.
| Insmed, Inc. | $172 |
|---|
| Food and Beverage | $172 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.