1. Home
  2. Directory
  3. California
  4. Glendale
  5. Internal Medicine
  6. NPI Profile

GLENWEST MEDICAL CENTER, INC.
NPI 1053493056
Internal Medicine in Glendale, CA

Active since October 19, 2006CLIA 05D0915766 · Waiver
1737 W GLENOAKS BLVD, GLENDALE, CA 91201(818) 243-1186(818) 243-3868 Get Directions Write a Review

NPPES record last updated: September 9, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Glenwest Medical Center, Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GLENWEST MEDICAL CENTER, INC. (NPI 1053493056) is a healthcare organization registered as an internal medicine in Glendale, California and active in the NPI registry since October 2006. The organization holds a CLIA Waiver certificate valid through June 5, 2028 and lists Gevork Maissian, President, as its authorized official.

NPPES Registry Identity

NPI1053493056
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGLENWEST MEDICAL CENTER, INC.
Location Address1737 W GLENOAKS BLVDGlendale, CA 91201-1542
Mailing Address1737 W Glenoaks BlvdGlendale, CA 91201-1542 · (818) 243-1186 · Fax (818) 243-3868
Phone(818) 243-1186
Fax(818) 243-3868
Organization SubpartNo
Authorized OfficialGevork MaissianPresident · (818) 243-1186
Enumeration DateOctober 19, 2006
Last NPPES UpdateSeptember 9, 2015
✔ NPI 1053493056 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A10524
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1737 W GLENOAKS BLVD, Glendale, CA 91201
Open in Google Maps ↗

Other Identifiers 1

Medicare PINW15835

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0915766

Glenwest Medical Center · Glendale, CA
Active · expires Jun 5, 2028
CLIA Number05D0915766
Laboratory TypePhysician Office
Certificate Effective DateJune 6, 2026
Certificate Expiration DateJune 5, 2028
Laboratory DirectorGevork J. Maissian
Laboratory Phone(818) 243-1186
Laboratory LocationGlenwest Medical Center1737 W Glen Oaks Blvd, Glendale, CA 91201
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DIANA BOGHOZIAN
Nurse Practitioner
1737 W GLENOAKS BLVD
GLENDALE, CA 91201
Los Angeles County (818) 243-1186
ARMINE TER-BARSEGHYAN PA-C
Physician Assistant
1737 W GLENOAKS BLVD
GLENDALE, CA 91201
Los Angeles County (818) 243-1186
GEVORK JOE MAISSIAN D.O.
Internal Medicine
1737 W GLENOAKS BLVD
GLENDALE, CA 91201
Los Angeles County (818) 243-1186
MR. VAHAGN NACHARYAN N.P.
Nurse Practitioner (Family)
1737 W GLENOAKS BLVD
GLENDALE, CA 91201
Los Angeles County (818) 243-1186

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Glenwest Medical Center, Inc.'s NPI number?

The NPI number for Glenwest Medical Center, Inc. is 1053493056. It was assigned to this organization in the NPPES registry on October 19, 2006.

Where is Glenwest Medical Center, Inc. located?

Glenwest Medical Center, Inc. is located at 1737 W Glenoaks Blvd, Glendale, CA 91201. The listed phone number is (818) 243-1186.

What is Glenwest Medical Center, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Glenwest Medical Center, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0915766) is associated with this NPI, valid through June 5, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Glenwest Medical Center, Inc. was last updated on September 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.