DR. MARK BOYAJIAN MD
NPI 1841619244
Anesthesiology in Encino, CA
About Dr. Mark Boyajian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK BOYAJIAN MD (NPI 1841619244) is an individual anesthesiology provider in Encino, California, licensed in California (A117511) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Mark Boyajian 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
4Medicare enrollment records show Mark Boyajian reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Encino, CA 91316
- Reassigned Medicare billing, California enrollment
Tarzana, CA 91356
- Reassigned Medicare billing, California enrollment
- 38 clinicians in this Medicare group
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 52 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 53 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 9
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.
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.
ENCINO, CA 91436
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 Mark Boyajian's NPI number?
The NPI number for Mark Boyajian is 1841619244. It was assigned to this individual provider in the NPPES registry on April 14, 2014.
Where is Mark Boyajian located?
Mark Boyajian practices at 16237 Ventura Blvd, Encino, CA 91436. The listed phone number is (818) 854-2299.
What is Mark Boyajian's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Boyajian enrolled in Medicare?
Yes. Mark Boyajian 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 Mark Boyajian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Boyajian reassigns Medicare benefits to 4 organizations: Mark Boyajian MD PC (Encino, CA), Equity Anesthesia (Tarzana, CA), West Hills Anesthesia And Perioperative Physicians (West Hills, CA) and Conejo Los Robles Anesthesiology Medical Group, Inc. (Thousand Oaks, 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 Mark Boyajian'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 Mark Boyajian was last updated on June 15, 2016. 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.