Westernoff DMD MD & Mardirosian DDS MD Gp-W
NPI 1710556550 · Oral and Maxillofacial Surgery (Dentist) · Los Angeles, CA
Westernoff DMD MD & Mardirosian DDS MD Gp-W is a Oral and Maxillofacial Surgery (Dentist) organization in Los Angeles, CA (NPI 1710556550).
Provider details
- NPI number
- 1710556550
- Entity type
- Organization
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Organization subpart
- No
- Authorized official
- Martin Mardirosian, Oral Surgeon(310) 375-0514
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 604 N Sepulveda BlvdManhattan Beach, CA 90266-5921Phone: (310) 375-0514
- 1706 S Elena Ave Ste aRedondo Beach, CA 90277-5715Phone: (310) 375-0514
Registry dates
- Enumerated
- 2021-06-24
- Last updated
- 2021-06-24
- Certified
- 2021-06-24
Frequently asked questions
- What is Westernoff DMD MD & Mardirosian DDS MD Gp-W's NPI number?
- Westernoff DMD MD & Mardirosian DDS MD Gp-W's National Provider Identifier (NPI) is 1710556550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Westernoff DMD MD & Mardirosian DDS MD Gp-W?
- Westernoff DMD MD & Mardirosian DDS MD Gp-W is classified in the NPPES registry as Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is Westernoff DMD MD & Mardirosian DDS MD Gp-W located?
- Westernoff DMD MD & Mardirosian DDS MD Gp-W's practice location on file with NPPES is 8540 S Sepulveda Blvd Ste 1206, Los Angeles, CA 90045-3819.
- What is Westernoff DMD MD & Mardirosian DDS MD Gp-W's phone number?
- The practice phone number listed in the NPPES registry for Westernoff DMD MD & Mardirosian DDS MD Gp-W is (310) 375-0514.
- Who is the authorized official for Westernoff DMD MD & Mardirosian DDS MD Gp-W?
- The authorized official listed on Westernoff DMD MD & Mardirosian DDS MD Gp-W's NPPES record is Martin Mardirosian, Oral Surgeon. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Westernoff DMD MD & Mardirosian DDS MD Gp-W's NPI active?
- Yes — Westernoff DMD MD & Mardirosian DDS MD Gp-W's NPI (1710556550) is active in the NPPES registry as of the last update on 2021-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.