Quick answers
- Does Marine Demirjian accept Medicare assignment?
- Yes. Medicare's clinician data says Marine Demirjian accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Marine Demirjian see?
- In 2024, CMS data shows 262 Original Medicare patients and 16,795 services for Marine Demirjian. This counts Original Medicare only and measures volume, not quality.
- What is Marine Demirjian's NPI number?
- 1669624219. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marine Demirjian, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 262 |
|---|---|
| Services billed to Medicare | 16,795 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Test for allergy using allergenic extract (95004)12,636 services
- Test for allergy using skin patch (95044)3,228 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)287 services
- Telephone medical discussion with physician, 21-30 minutes (99443)134 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)99 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis75%
- Diabetes56%
- Ischemic heart disease52%
- Depression48%
Practice locations
Addresses where Marine Demirjian is enrolled with Medicare (CMS data updated October 2, 2026).
- 1131 N Pacific AveGlendale, CA 91202 (818) 558‑5828
Group practices
Medicare enrollment lists Marine Demirjian as a member of this group (CMS data updated October 2, 2026).
- Allergy and Asthma Treatment Center P C3 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Glendale
Clinicians with the same Medicare primary specialty in Glendale, CA — not a recommendation.
Other clinicians in Allergy and Asthma Treatment Center P C
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669624219 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians