VARTAN MASIHI VARTANIANS M.D.
NPI 1154685758
Radiology - Diagnostic Radiology in Monrovia, CA
About Vartan Masihi Vartanians M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VARTAN MASIHI VARTANIANS M.D. (NPI 1154685758) is an individual diagnostic radiology provider in Monrovia, California, licensed in California (A148725) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Vartan Masihi Vartanians M.d. 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.
Medicare Billing Reassignments
4Medicare enrollment records show Vartan Vartanians reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monrovia, CA 91016
- Reassigned Medicare billing, California enrollment
- 88 clinicians in this Medicare group
Glendora, CA 91741
- Reassigned Medicare billing, California enrollment
- 109 clinicians in this Medicare group
Northridge, CA 91325
- Reassigned Medicare billing, California enrollment
- 224 clinicians in this Medicare group
Weaverville, CA 96093
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1407027568 (California)
- 119 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 58
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MONROVIA, CA 91016
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 Vartan Vartanians's NPI number?
The NPI number for Vartan Vartanians is 1154685758. It was assigned to this individual provider in the NPPES registry on June 28, 2012. The provider is also known as Vartan Masihi Vartanians M.D..
Where is Vartan Vartanians located?
Vartan Vartanians practices at 323 S Heliotrope Ave, Monrovia, CA 91016. The listed phone number is (774) 062-9168.
What is Vartan Vartanians's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Vartan Vartanians enrolled in Medicare?
Yes. Vartan Vartanians 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 Vartan Vartanians's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vartan Vartanians reassigns Medicare benefits to 4 organizations: Focus Medical Imaging (Monrovia, CA), Menalam Health Services PC (Glendora, CA), Renaissance Imaging Medical Associates, Inc. (Northridge, CA) and Mountain Communities Healthcare District (Weaverville, 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 Vartan Vartanians'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 Vartan Vartanians was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.