Etemadi & Chen PLLC is a Endodontist (organization) practicing in Arlington, Washington. The National Provider Identifier (NPI) is #1982552253, which was assigned on March 20, 2026, and the registration record was last updated on March 20, 2026. The practitioner's main practice location is at 3325 Smokey Point Dr Ste 101, Arlington, WA 98223-7803; the contact telephone number is 3603868524. The primary taxonomy of Etemadi & Chen PLLC is Endodontist (1223E0200X), with specialization in Endodontics. The authorized official for Etemadi & Chen PLLC is Stephanie Janice Chen (Owner).
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
| NPI | 1982552253 |
| Entity Type | Organization |
| Organization Name | ETEMADI & CHEN PLLC |
| Provider Name | ETEMADI & CHEN PLLC |
| Practice Address |
3325 Smokey Point Dr Ste 101 Arlington WA 98223-7803 |
| Practice Telephone | 3603868524 |
| Mailing Address |
3325 Smokey Point Dr Ste 101 Arlington WA 98223-7803 |
| Mailing Telephone | 3603868524 |
| Certification Date | 2026-03-20 |
| Enumeration Date | 2026-03-20 |
| Last Update Date | 2026-03-20 |
| Is Organization Subpart | N |
| Official Name | STEPHANIE JANICE CHEN |
| Official Title | OWNER |
| Credential | DDS |
| Telephone | 2672529100 |
| Primary | Code | Classification | Specialization | Taxonomy Group | License Number | License State |
|---|---|---|---|---|---|---|
| Y | 1223E0200X | Dentist | Endodontics | 193400000X SINGLE SPECIALTY GROUP |
| Other Organization Name | Type |
|---|---|
| Cascade Endodontics | Doing Business As Name |
| Code | 1223E0200X |
| Taxonomy | Endodontist |
| Classification | Dentist |
| Specialization | Endodontics |
| Grouping | Dental Providers |
| Definition: The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions. |
| Notes: Source: Council on Dental Education and Licensure, American Dental Association |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Dkeidek, Fernyhough, Gile, Hagel, Nov & Quickstad PLLC | 8575 164th Ave Ne Ste 301, Redmond, WA 98052-3679 | Endodontist | 2026-03-19 |
| Milica Novakovic Dmd Ms PC | 1401 Mchenry Rd Ste 121, Buffalo Grove, IL 60089-1383 | Endodontist | 2026-03-23 |
| Shandra Lee Dmd PLLC | 130 S 15th St Ste 101, Mount Vernon, WA 98274-4569 | Endodontist | 2026-03-25 |
| Advanced Endodontics | 555 S Renton Village Pl Ste 786, Renton, WA 98057-3221 | Endodontist | 2026-03-26 |
| Siesta Key Root Canal Specialists, LLC | 3400 S Tamiami Trl Ste 301, Sarasota, FL 34239-6093 | Endodontist | 2026-03-17 |
| Malek Endodontics, Inc. | 130 E Romie Ln Ste B, Salinas, CA 93901-3159 | Endodontist | 2026-04-06 |
| Hillcrest Dental Specialists PLLC | 505 E Palm Valley Blvd Ste 110, Round Rock, TX 78664-3042 | Endodontist | 2026-03-02 |
| Goerig and Behnen, Dds., P.S. | 222 Lilly Rd Ne, Olympia, WA 98506-5031 | Endodontist | 2026-02-26 |
| Darron R Rishwain Dds Inc | 1526 5th Ave, San Rafael, CA 94901-1852 | Endodontist | 2026-04-02 |
| Colic and Patel PLLC, Dba Endodontics Nw | 9714 3rd Ave Ne Ste 203, Seattle, WA 98115-2046 | Endodontist | 2026-03-23 |
| Find all providers with the same taxonomy | |||
| Street Address |
3325 SMOKEY POINT DR STE 101 |
| City | ARLINGTON |
| State | WA |
| Zip Code | 98223-7803 |
| Country | US |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Jamie Clayton Nutrition LLC | 307 N Olympic Ave Ste 233, Arlington, WA 98223-1322 | Registered Dietitian | 2025-09-23 |
| Jamie Leigh Clayton | 307 N Olympic Ave Ste 233, Arlington, WA 98223-1322 | Nutritionist | 2018-05-02 |
| Carolyn Elizabeth Huett | 113 W Division St, Arlington, WA 98223-1239 | Massage Therapist | 2025-11-03 |
| Geovana Lizeth Hernandez | 415 N Olympic Ave, Arlington, WA 98223-1244 | Massage Therapist | 2026-01-24 |
| Loren Cary Ernst | 16714 Smokey Point Blvd, Arlington, WA 98223 | Chiropractor | 2005-07-18 |
| Kirkland Devers | 172nd St Ne, Arlington, WA 98223 | Optometrist | 2022-08-25 |
| Mariah Salazar | 16404 Smokey Point Blvd, #109, Arlington, WA 98223 | Addiction (Substance Use Disorder) Counselor | 2026-03-02 |
| Devin Dickinson | 302 E Division St, Arlington, WA 98223-1292 | General Practice Dentistry | 2013-05-10 |
| Cassidy Mcghehey | 315 N French Ave, Arlington, WA 98223-1317 | Physical Therapist | 2025-09-05 |
| Scott Alan Gassoway | 135 N Olympic Ave, Arlington, WA 98223-1335 | Mental Health Counselor | 2022-08-29 |
| Find all providers in the same zip code | |||
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Massih Etemadi | 2121 Madison St Ste A, Everett, WA 98203-5375 | Dentist | 2023-05-31 |
| M Etemadi Dmd PLLC | 2121 Madison St Ste A, Everett, WA 98203-5375 | Dentist | 2025-11-05 |
| Jean Y. Chen,Dmd, Ms, PLLC | 2611 Ne 125th St Ste 230, Seattle, WA 98125-4357 | Orthodontics and Dentofacial Orthopedic Dentist | 2026-03-26 |
| Hsuan-Chih Chen · Carolina Chen | 1505 Soquel Dr Ste 1, Santa Cruz, CA 95065-1716 | Obstetrics & Gynecology Physician | 2012-05-16 |
| Oanh Luong Chen · Lily Chen | 5200 Mcdermott Rd Ste 215, Plano, TX 75024-7771 | Family Nurse Practitioner | 2025-11-05 |
| Peter Chen Dental PLLC | 3629 Bell Blvd Ste 201, Bayside, NY 11361-2056 | Oral and Maxillofacial Surgery (Dentist) | 2025-08-18 |
| Yen-Huang Chen · Tony Chen | 11911 Ne 132nd St Ste 200, Kirkland, WA 98034-2900 | Urology Physician | 2007-02-21 |
| Jing Ran Chen · Johnny Chen | 600 Roe Ave, Elmira, NY 14905-1629 | Student in an Organized Health Care Education/Training Program | 2023-04-14 |
| Kathleen Qiyao Chen · Kathy Chen | 5323 Harry Hines Blvd, Dallas, TX 75390-4772 | Emergency Medicine Physician | 2021-04-06 |
| Kim Chen PLLC | 8530 W. Sunset Rd, Suite 230, Las Vegas, NV 89113 | Gastroenterology Physician | 2015-07-14 |
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This dataset includes over five million health care providers who are assigned National Provider Identifier (NPI) in the National Plan and Provider Enumeration System (NPPES), developed by the Centers for Medicare & Medicaid Services (CMS). Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under Health Insurance Portability and Accountability Act (HIPAA). Each provider is registered with the NPI, full name, status, address, taxonomy, other identifiers, etc.
| Subject | Transparency and Disclosure |
| Jurisdiction | Federal |
| Data Provider | National Plan and Provider Enumeration System (NPPES), by the Centers for Medicare & Medicaid Services (CMS) |
| Source | download.cms.gov |
The National Provider Identifier (NPI) is a Health Insurance Portability and Accountability Act (HIPAA) Administrative Simplification Standard. The NPI is a unique identification number for covered health care providers and all health plans and health care clearinghouses, who must use the NPIs in the administrative and financial transactions adopted under HIPAA. The NPI is a 10-position, intelligence-free numeric identifier (10-digit number). All health care providers who are HIPAA-covered entities, whether individuals or organizations, must get an NPI. A HIPAA-covered entity is a health care provider that conducts certain transactions in electronic form, or a health care clearinghouse, or a health plan (including commercial plans, Medicare, and Medicaid). Centers for Medicare & Medicaid Services (CMS) has developed the National Plan and Provider Enumeration System (NPPES) to assign unique identifiers to health care providers. The National Provider Indentifier (NPI) has been the standard identifier for all HIPAA-covered entities (health care providers) since May 23, 2007. Small health plans were required to obtain and use an NPI by May 23, 2008. This dataset includes over five million health care providers (individuals and organizations) who are assigned NPI. The provider data elements are disclosed to the public by the Centers for Medicare & Medicaid Services (CMS) under the Freedom of Information Act (FOIA), as listed in the NPPES Data Dissemination Notice (CMS-6060-N). The NPI final rules define the following elements which required to be disclosed as determined by Department of Health & Human Services (HHS): NPI, Entity Type, Provider Name, Credential, Business Mailing Address, Business Location Address, Healthcare Provider Taxonomy Code, Other Provider Identifier, Provider Enumeration Date, NPI Deactivation Date, Provider License Number, Authorized Official Name and Contact Information. |