DR. NICHOLAS MAXWELL MARK M.D.
NPI 1023317757
Internal Medicine - Critical Care Medicine in Seattle, WA

Active since March 21, 2011PECOS EnrolledAccepts Medicare Assignment
925 SENECA ST, SEATTLE, WA 98101(206) 223-6600 Get Directions Write a Review

NPPES record last updated: May 14, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Nicholas Maxwell Mark M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NICHOLAS MAXWELL MARK M.D. (NPI 1023317757) is an individual critical care medicine provider in Seattle, Washington, licensed in Washington (MD60481597) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center / Cherry Hill, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1023317757
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. NICHOLAS MAXWELL MARKCredential: M.D.
Location Address925 SENECA STSeattle, WA 98101-2742
Mailing Address925 Seneca StSeattle, WA 98101-2742 · (206) 223-6600
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2011
Enumeration DateMarch 21, 2011
Last NPPES UpdateMay 14, 2020
NPPES CertifiedMay 14, 2020
NPI 1023317757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in WA · MD60481597
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
925 SENECA ST, Seattle, WA 98101

Secondary Practice Location 1

Location 11959 NE Pacific St Rm Bb-527, Box 356421Seattle, WA 98195-6421 · Phone (206) 543-3605

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Nicholas Maxwell Mark M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1759608144
PECOS Enrollment IDI20151007000390
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
17 services17 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Swedish Medical Center / Cherry Hill

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500025
Location500 17th AvenueSeattle, WA 98122 · King County
Emergency services

Swedish Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500027
Location747 BroadwaySeattle, WA 98122 · King County
Emergency services Birthing friendly

Swedish Issaquah

Acute Care Hospitals · Issaquah, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500152
Location751 NE Blakely DrIssaquah, WA 98029 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Hospitalist
925 SENECA ST
SEATTLE, WA 98101
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101
Hospitalist
925 SENECA ST
SEATTLE, WA 98101
Emergency Medicine
925 SENECA ST
SEATTLE, WA 98101
Hospitalist
925 SENECA ST
SEATTLE, WA 98101
Student in an Organized Health Care Education/Training Program
925 SENECA ST, MAIL STOP: H8-GME
SEATTLE, WA 98101
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nicholas Mark's NPI number?

The NPI number for Nicholas Mark is 1023317757. It was assigned to this individual provider in the NPPES registry on March 21, 2011.

Where is Nicholas Mark located?

Nicholas Mark practices at 925 Seneca St, Seattle, WA 98101. The listed phone number is (206) 223-6600.

What is Nicholas Mark's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Nicholas Mark enrolled in Medicare?

Yes. Nicholas Mark is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Nicholas Mark accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Nicholas Mark as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nicholas Mark affiliated with any hospitals?

According to CMS data, Nicholas Mark is affiliated with Swedish Medical Center / Cherry Hill, Swedish Medical Center and Swedish Issaquah.

When was this NPI record last updated?

The NPPES record for Nicholas Mark was last updated on May 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.