MARK GUEVORKIAN
NPI 1053765727
Emergency Medicine in Flushing, NY
About Mark Guevorkian NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK GUEVORKIAN (NPI 1053765727) is an individual emergency medicine provider in Flushing, New York, licensed in California (A166409) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Group Practice 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
Mark Guevorkian 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 Guevorkian reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Blythe, CA 92225
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 197 clinicians in this Medicare group
Ukiah, CA 95482
- Reassigned Medicare billing, California enrollment
- 112 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 5
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 11355 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FLUSHING, NY 11355
FLUSHING, NY 11355
FLUSHING, NY 11355
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 Guevorkian's NPI number?
The NPI number for Mark Guevorkian is 1053765727. It was assigned to this individual provider in the NPPES registry on April 19, 2016.
Where is Mark Guevorkian located?
Mark Guevorkian practices at 5645 Main St, Flushing, NY 11355. The listed phone number is (718) 670-2000.
What is Mark Guevorkian's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Guevorkian enrolled in Medicare?
Yes. Mark Guevorkian 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 Guevorkian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Guevorkian reassigns Medicare benefits to 4 organizations: Cep America-California (Blythe, CA), Permanente Medical Group Inc (Stockton, CA), Emergency Physicians Associates San Jose PC (San Jose, CA) and Pacific Redwood Medical Group Inc (Ukiah, 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 Guevorkian'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 Guevorkian was last updated on April 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mark Guevorkian · NPI 1053765727
Emergency Medicine physician in Flushing, New York. Individual provider, active in the CMS NPPES registry since April 19, 2016.
## Identity
- **NPI:** 1053765727 (Entity type: Individual)
- **Enumerated:** April 19, 2016
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A166409 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5645 MAIN ST, Flushing, NY 11355-5045
- **Phone:** (718) 670-2000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Cep America-California (NPI 1710826581, Blythe, CA); Permanente Medical Group Inc (NPI 1548343510, Stockton, CA); Emergency Physicians Associates San Jose PC (NPI 1306311576, San Jose, CA); Pacific Redwood Medical Group Inc (NPI 1033103676, Ukiah, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** April 17, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1053765727) · Data from the CMS NPPES public registry.