Michael P. Koumjian, MD, a Professional Corporation
NPI 1528276078 · Specialist · La Mesa, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael P. Koumjian, MD, a Professional Corporation is a Specialist organization in La Mesa, CA (NPI 1528276078).
Provider details
- NPI number
- 1528276078
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Michael Koumjian, President(619) 466-5700
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2007-05-18
- Last updated
- 2007-09-25
Frequently asked questions
- What is Michael P. Koumjian, MD, a Professional Corporation's NPI number?
- Michael P. Koumjian, MD, a Professional Corporation's National Provider Identifier (NPI) is 1528276078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael P. Koumjian, MD, a Professional Corporation?
- Michael P. Koumjian, MD, a Professional Corporation is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Michael P. Koumjian, MD, a Professional Corporation located?
- Michael P. Koumjian, MD, a Professional Corporation's practice location on file with NPPES is 5525 Grossmont Center Dr Ste 609, La Mesa, CA 91942-3009.
- What is Michael P. Koumjian, MD, a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Michael P. Koumjian, MD, a Professional Corporation is (619) 466-5700.
- Does Michael P. Koumjian, MD, a Professional Corporation accept Medicare?
- Michael P. Koumjian, MD, a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Michael P. Koumjian, MD, a Professional Corporation?
- The authorized official listed on Michael P. Koumjian, MD, a Professional Corporation's NPPES record is Michael Koumjian, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael P. Koumjian, MD, a Professional Corporation's NPI active?
- Yes — Michael P. Koumjian, MD, a Professional Corporation's NPI (1528276078) is active in the NPPES registry as of the last update on 2007-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.