COMPREHENSIVE HEMATOLOGY ONCOLOGY CENTERS INC
NPI 1457485203
Internal Medicine - Hematology & Oncology in Glendale, CA

Active since March 15, 2007
1/5
Patient Care Rating
1505 WILSON TER STE 340, GLENDALE, CA 91206(818) 543-7574(818) 956-7609 Get Directions Write a Review

NPPES record last updated: December 21, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Comprehensive Hematology Oncology Centers Inc NPPES

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

COMPREHENSIVE HEMATOLOGY ONCOLOGY CENTERS INC (NPI 1457485203) is a healthcare organization registered as a hematology & oncology in Glendale, California and active in the NPI registry since March 2007. The organization lists Mihran H Shirinian, Doctor Of Medicine, as its authorized official.

NPPES Registry Identity

NPI1457485203
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameCOMPREHENSIVE HEMATOLOGY ONCOLOGY CENTERS INC
Location Address1505 WILSON TER STE 340Glendale, CA 91206-4072
Mailing Address1505 Wilson Terrace, Suite 340Glendale, CA 91206-4072 · (818) 543-7574 · Fax (818) 956-7609
Fax(818) 956-7609
Organization SubpartYesParent: Comprehensive Hematology Oncology Center Inc
Authorized OfficialMihran H ShirinianDoctor Of Medicine · (818) 543-7574
Enumeration DateMarch 15, 2007
Last NPPES UpdateDecember 21, 2011
✔ NPI 1457485203 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A49759
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1505 WILSON TER STE 340, Glendale, CA 91206

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Comprehensive Hematology Oncology Centers Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Comprehensive Hematology Oncology Centers Inc, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Nurse Practitioner
NPI 1710670641
1505 WILSON TER STE 340
Glendale, CA 91206
(818) 543-7574
✔ PECOS0.1 mi
Hematology/Oncology
NPI 1730262122
1505 WILSON TERRACE SUITE 340
Glendale, CA 91206
(818) 543-7574
✔ PECOS✔ Accepts Medicare0.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Home Health Quality Ratings CMS Care Compare

Quality ratings, patient care measures and outcomes for Comprehensive Health Care Services LLC (CMS certification number 559160), from CMS Care Compare.

Comprehensive Health Care Services LLC

Home health agency · Glendale, CA
1/5 Quality of Patient Care
OwnershipProprietary
CMS Certification Number559160
Medicare-Certified SinceJanuary 22, 2020
Services Offered
Skilled nursing care Physical therapy Occupational therapy Speech-language pathology Medical social services Home health aide services

Patient Care Measures

Patients whose home health care began in a timely manner
74.8%
Patients who got better at walking or moving around
65.7%
Patients who got better at getting in and out of bed
64.7%
Patients who got better at bathing
63.3%
Patients whose breathing improved
57.5%
Patients who got better at taking their drugs correctly by mouth
65.7%
Patients checked for a flu shot for the current season
46.7%
Physician-recommended actions on medication issues completed on time
90%
Patients with a functional assessment and care plan at admission and discharge
98.6%
Patients experiencing one or more falls with major injury
Lower rates are better for this measure.
1.4%
New or worsened pressure ulcers or injuries (skin integrity)
Lower rates are better for this measure.
0%
Measure rates are from the CMS Care Compare home health data. Measures without current CMS data are not shown.

Discharge, Readmission & Medicare Spending

Patients discharged to the community, remaining home without unplanned hospital care
65 of 98 patient episodes · observed rate 66.33%
71.05% Same As National Rate
Potentially preventable hospital readmissions after discharge
20 patient stays · observed rate 0%
Lower rates are better for this measure.
3.78% Same As National Rate
Medicare spending per episode of care, relative to the national average
1.00 = national average per episode of care · based on 415 episodes
1.19
Risk-standardized rates account for differences in patient mix. Comparison labels are assigned by CMS.

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 Comprehensive Hematology Oncology Centers Inc's NPI number?

The NPI number for Comprehensive Hematology Oncology Centers Inc is 1457485203. It was assigned to this organization in the NPPES registry on March 15, 2007.

Where is Comprehensive Hematology Oncology Centers Inc located?

Comprehensive Hematology Oncology Centers Inc is located at 1505 Wilson Ter Ste 340, Glendale, CA 91206. The listed phone number is (818) 543-7574.

What is Comprehensive Hematology Oncology Centers Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Comprehensive Hematology Oncology Centers Inc enrolled in Medicare?

Yes. Comprehensive Hematology Oncology Centers Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Comprehensive Hematology Oncology Centers Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Comprehensive Hematology Oncology Centers Inc, in Hematology/Oncology and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Is Comprehensive Hematology Oncology Centers Inc a Medicare-certified home health agency?

Yes. Comprehensive Health Care Services LLC is a Medicare-certified home health agency, certified since January 22, 2020.

What quality rating does Comprehensive Hematology Oncology Centers Inc have?

CMS rates Comprehensive Health Care Services LLC 1 out of 5 stars for quality of patient care on Care Compare. The full measure detail is in the Home Health Quality Ratings section above.

When was this NPI record last updated?

The NPPES record for Comprehensive Hematology Oncology Centers Inc was last updated on December 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.