ASTKHIK MANGASARIAN DO
NPI 1083266704
Anesthesiology - Critical Care Medicine in Loma Linda, CA

Active since July 12, 2019PECOS EnrolledAccepts Medicare Assignment
11234 ANDERSON ST, LOMA LINDA, CA 92354(909) 558-4000 Get Directions Write a Review

NPPES record last updated: July 1, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 1, 2024, Jul 12, 2019 (2 updates tracked since 2019).

About Astkhik Mangasarian Do NPPES

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

ASTKHIK MANGASARIAN DO (NPI 1083266704) is an individual critical care medicine provider in Loma Linda, California, licensed in California (20A20155) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Middletown, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1083266704
Entity TypeIndividualFemale
Primary Taxonomy207LC0200X
Provider Legal NameASTKHIK MANGASARIANCredential: DO
Location Address11234 ANDERSON STLoma Linda, CA 92354-2804
Mailing Address11234 Anderson StLoma Linda, CA 92354-2804 · (909) 558-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 12, 2019
Last NPPES UpdateJuly 1, 20242 updates tracked since enumeration
NPPES CertifiedJuly 1, 2024
✔ NPI 1083266704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LC0200X
License✔ Licensed in CA · 20A20155
Definition
An anesthesiologist, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 20A20155 (CA)
11234 ANDERSON ST, Loma Linda, CA 92354

Secondary Practice Location 1

Location 1707 E Main StMiddletown, NY 10940-2650 · Phone (845) 333-6333

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Astkhik Mangasarian Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082156245
PECOS Enrollment IDI20240604001891
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Astkhik Mangasarian reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anatomic Pathology & Clinical Pathology
11234 ANDERSON ST
Loma Linda, CA 92354
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
Emergency Medicine
100 W CALIFORNIA BLVD
Pasadena, CA 91105
  • Reassigned Medicare billing, California enrollment
  • 64 clinicians in this Medicare group
Emergency Medicine
1509 WILSON TER, EMERGENCY DEPARTMENT
Glendale, CA 91206
  • Reassigned Medicare billing, California enrollment
  • 49 clinicians in this Medicare group
Critical Care Medicine
1511 W GLENOAKS BLVD
Glendale, CA 91201
  • Reassigned Medicare billing, California enrollment
  • 19 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
73 services73 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
13 services13 patients

Other Providers at the Same Location NPPES 20

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

Anesthesiology
11234 ANDERSON ST
LOMA LINDA, CA 92354
Anesthesiology
11234 ANDERSON ST
LOMA LINDA, CA 92354
General Practice
11234 ANDERSON ST
LOMA LINDA, CA 92354
Preventive Medicine (Occupational Medicine)
11234 ANDERSON ST
LOMA LINDA, CA 92354
Student in an Organized Health Care Education/Training Program
11234 ANDERSON ST
LOMA LINDA, CA 92354
Radiology (Diagnostic Radiology)
11234 ANDERSON ST
LOMA LINDA, CA 92354
Anesthesiology
11234 ANDERSON ST
LOMA LINDA, CA 92354
Nurse Anesthetist, Certified Registered
11234 ANDERSON ST
LOMA LINDA, CA 92354

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 Astkhik Mangasarian's NPI number?

The NPI number for Astkhik Mangasarian is 1083266704. It was assigned to this individual provider in the NPPES registry on July 12, 2019.

Where is Astkhik Mangasarian located?

Astkhik Mangasarian practices at 11234 Anderson St, Loma Linda, CA 92354. The listed phone number is (909) 558-4000.

What is Astkhik Mangasarian's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.

Is Astkhik Mangasarian enrolled in Medicare?

Yes. Astkhik Mangasarian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Astkhik Mangasarian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Astkhik Mangasarian reassigns Medicare benefits to 4 organizations: Faculty Physicians And Surgeons Of Llusm (Loma Linda, CA), Hmh Emergency Medical Group, Inc. (Pasadena, CA), Glendale Adventist Emergency Physicians Incorporated (Glendale, CA) and Vista Critical Care Associates Inc (Glendale, CA). Each 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 Astkhik Mangasarian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Astkhik Mangasarian was last updated on July 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.