NPPES file of Aug 9, 2026

Marine Demirjian, M.D.

Allergy Physician · Glendale, CA

Marine Demirjian, M.D. is an allergy physician with a practice address in Glendale, California, and NPI 1669624219, issued on Oct 15, 2008. Check the license (California A111311, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669624219
Name
Marine Demirjian
Credential
M.D.
Primary taxonomy
Allergy Physician 207KA0200X
License number
A111311 CA
Self-reported in NPPES; status is on the state search
Practice location
1131 N Pacific Ave, Glendale, CA 91202
Phone
(818) 558-5828
Enumerated
Oct 15, 2008
Record last updated
Dec 25, 2023
Fax
(888) 717-1542
Medicare enrollment
Enrolled (PECOS I20130823000352); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2008
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1131 N Pacific Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jean Hanley, M.D.Allergy & Immunology Physician1073835617

Verify Marine Demirjian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A111311
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.7 times the Medicare Part D claims of the average allergy physician in 2024

2,034 Medicare Part D claims for 210 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.

  1. Marine Demirjian2,034
  2. Specialty average750

Most prescribed

  1. Azelastine Hcl459 claims
  2. Levocetirizine Dihydrochloride250 claims
  3. Breo Ellipta125 claims
  4. Azelastine-Fluticasone99 claims
  5. Fluticasone Propionate99 claims
  6. Trelegy Ellipta88 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $851.32

38 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 502 providers of this specialty with any payment received $9,080.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marine Demirjian$851.32
  2. Specialty average$9,080.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Allergy And Asthma Treatment Center P CGlendale, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marine Demirjian among 157 allergy physician records in California

Marine Demirjian, M.D. is one of 157 allergy physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 83% of them.

  • NPI issued2008 · 83% of these records are older, 11% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2008 · median 1992 among the 82 with a school on file
  • Record last updated2023 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207KA0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy Physician providers in California

There are 157 allergy physician records in California.

The 8 allergy physician records with the nearest ZIP codes

  1. Peter Parker, M.D.Glendale, CA 912021598783789
  2. Krithika Ramadas, M.D.Thousand Oaks, CA 913601710939715
  3. Michael Mosher, M.D.Thousand Oaks, CA 913611053417865
  4. George Guerra, MDWoodland Hills, CA 913671275692931
  5. Eugene Kenigsberg, MDWoodland Hills, CA 913671538228119
  6. Satish Gupta, M.D.La Canada, CA 910111649287004
  7. Clifford Hartman, M.D.La Canada, CA 910111184772055
  8. Maricar Cutillar-Garcia, MDPanorama City, CA 914021467504829

Common questions

What is Marine Demirjian, M.D.'s NPI number?

Marine Demirjian, M.D.'s National Provider Identifier (NPI) is 1669624219, issued on Oct 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Marine Demirjian, M.D. located?

The NPPES record lists a practice address at 1131 N Pacific Ave, Glendale, CA, 91202. Phone: (818) 558-5828. Providers update this record themselves, so call before visiting.

How can I verify Marine Demirjian, M.D.'s license?

NPPES lists California license number A111311, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marine Demirjian, M.D. prescribe under Medicare Part D?

In 2024, Marine Demirjian, M.D. had 2,034 Medicare Part D claims for 210 beneficiaries; the average among allergy physician prescribers was 750. Part D covers Medicare prescriptions only.

What is Marine Demirjian, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.