Doctor profile · Federal record

Dr. Mark Guevorkian

Emergency Medicine Physician (CMS: Emergency Medicine) · Flushing, NY

  • NPI 1053765727
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5645 Main St
Flushing, NY 113555045
(718) 670-2000
Mailing address
526 E Latham St
Phoenix, AZ 850041800

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
April 17, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A166409

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053765727. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
549
Distinct HCPCS
5
Medicare allowed
$72,717
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 201 197 $181
99284 Emergency department visit with moderate level of medical decision making 189 182 $125
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 84 74 $9
99291 Critical care, first 30-74 minutes 43 43 $222
99283 Emergency department visit with low level of medical decision making 32 32 $75

In context: peer comparison

Among 37 peers in Flushing Emergency Medicine Physician, average services per provider: 81. This provider delivers 6.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
149
Patients
146
Total drug cost
$1,883
Drug Type Claims Patients Total cost
Ibuprofen Generic 25 25 $131
Cephalexin Generic 21 21 $236
Morphine Sulfate Generic 21 21 $85
Ondansetron Odt (Ondansetron) Brand 19 18 $108
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 18 18 $265
Diclofenac Sodium Generic 16 14 $547
Doxycycline Monohydrate Generic 15 15 $215
Cefdinir Generic 14 14 $294

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Guevorkian's medical specialty?
Dr. Mark Guevorkian practices Emergency Medicine Physician in Flushing, NY.
Where does Dr. Mark Guevorkian practice?
Dr. Mark Guevorkian practices at 5645 Main St, Flushing, NY 113555045. Office phone: 7186702000.
What is Dr. Mark Guevorkian's NPI?
Dr. Mark Guevorkian's National Provider Identifier (NPI) is 1053765727, issued by NPPES.
Does Dr. Mark Guevorkian accept Medicare assignment?
Yes. Dr. Mark Guevorkian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Guevorkian commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.