Doctor profile · Federal record

Dr. Mark Boyajian, MD

Anesthesiology Physician (CMS: Anesthesiology) · Encino, CA

  • NPI 1841619244
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
16237 Ventura Blvd
Encino, CA 914362201
(818) 854-2299
Mailing address
4825 Newcastle Ave
Encino, CA 913164245

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
June 15, 2016
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #A117511

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841619244. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
349
Distinct HCPCS
10
Medicare allowed
$51,663
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 74 74 $136
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 39 38 $152
00813 Anesthesia for procedure on small and large bowel using an endoscope 36 36 $179
00811 Anesthesia for other procedure on large bowel using an endoscope 32 32 $146
76942 Ultrasonic guidance for needle placement 24 24 $32
01992 Anesthesia for nerve block and injection procedure, prone position 22 22 $128
93312 Ultrasound of heart with probe in esophagus, with report 19 19 $111
93320 Ultrasound of heart blood flow, valves and chambers 19 19 $19
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 19 19 $3
00560 Anesthesia for procedure on heart and large blood vessels 16 16 $472

In context: peer comparison

Among 9 peers in Encino Anesthesiology Physician, average services per provider: 57. This provider delivers 6.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$582
Transactions
10
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Biosense Webster, INC. 4 $352.27
Boston Scientific Corporation 5 $196.62
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 1 $33.38

By nature of payment

Food and Beverage
$582

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Boyajian's medical specialty?
Dr. Mark Boyajian practices Anesthesiology Physician in Encino, CA.
Where does Dr. Mark Boyajian practice?
Dr. Mark Boyajian practices at 16237 Ventura Blvd, Encino, CA 914362201. Office phone: 8188542299.
What is Dr. Mark Boyajian's NPI?
Dr. Mark Boyajian's National Provider Identifier (NPI) is 1841619244, issued by NPPES.
Does Dr. Mark Boyajian accept Medicare assignment?
Yes. Dr. Mark Boyajian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Boyajian commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.