Mark J Sebastian
DMD | Dentist
33516 9th Ave S, Westhill Court Bldg 2, Federal Way
Washington, 98003-6322
253-941-6242 253-952-2129
Maps & DirectionsMark J Sebastian is a Federal Way, Washington based Dentist who is specialized in
Dentistry. He may accept the Medicare-approved amount. Patients may be billed for more than the Medicare deductible and coinsurance. His current practice location is
33516 9th Ave S, Westhill Court Bldg 2, Federal Way. Patients can reach him at
253-941-6242.
Mark J Sebastian is the primary dental care provider for patients of all ages. He is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Complete Profile:
Mark J Sebastian speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Name: | Mark J Sebastian |
| Specialization: | Dentist |
| Gender: | Male |
| Credentials: | DMD |
| Accepts Medicare Assignment: | May Accept |
| Practice Address: | 33516 9th Ave S, Westhill Court Bldg 2, Federal Way,
Washington, 98003-6322 |
| Phone: | 253-941-6242 |
| Fax: | 253-952-2129 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 1153633441 |
| Enrollment ID: | I20150629002220 |
| NPI Number: | 1477536027 |
| NPI Enumeration Date: | 28 Nov, 2005 |
| NPI Last Update On: | 08 Jul, 2007 |
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 33516 9th Ave S, Westhill Court Bldg 2
Federal Way, Washington |
| Zip: | 98003-6322 |
| Phone Number: | 253-941-6242 |
| Fax Number: | 253-952-2129 |
Patients can reach Mark J Sebastian at
33516 9th Ave S, Westhill Court Bldg 2, Federal Way, Washington or can
call to book an appointment on 253-941-6242.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on
09 February, 2026.