MESROP ALEKSANYAN MD
NPI 1629712427
Hospitalist in Los Angeles, CA
About Mesrop Aleksanyan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MESROP ALEKSANYAN MD (NPI 1629712427) is an individual hospitalist provider in Los Angeles, California, licensed in California (A199458) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Trenton, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Mesrop Aleksanyan Md 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
2Medicare enrollment records show Mesrop Aleksanyan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 clinicians in this Medicare group
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 962 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Mesrop Aleksanyan's NPI number?
The NPI number for Mesrop Aleksanyan is 1629712427. It was assigned to this individual provider in the NPPES registry on April 27, 2022.
Where is Mesrop Aleksanyan located?
Mesrop Aleksanyan practices at 757 Westwood Plz Ste 7501, Los Angeles, CA 90095. The listed phone number is (310) 267-9643.
What is Mesrop Aleksanyan's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mesrop Aleksanyan enrolled in Medicare?
Yes. Mesrop Aleksanyan 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 Mesrop Aleksanyan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mesrop Aleksanyan reassigns Medicare benefits to 2 organizations: The Regents Of The University Of California (Los Angeles, CA) and Galen Inpatient Physicians PC (Los Angeles, 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 Mesrop Aleksanyan'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 Mesrop Aleksanyan was last updated on August 1, 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.
# Mesrop Aleksanyan, MD · NPI 1629712427
Hospitalist physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 27, 2022.
## Identity
- **NPI:** 1629712427 (Entity type: Individual)
- **Enumerated:** April 27, 2022
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A199458 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 757 WESTWOOD PLZ STE 7501, Los Angeles, CA 90095-8358
- **Phone:** (310) 267-9643
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Regents Of The University Of California (NPI 1235107566, Los Angeles, CA); Galen Inpatient Physicians PC (NPI 1205787686, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** August 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1629712427) · Data from the CMS NPPES public registry.