Doctor profile · Federal record

Dr. Mark Alexakos, MD

Child & Adolescent Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Lynn, MA

  • NPI 1083719835
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 Central Ave, 3Rd Floor
Lynn, MA 019011201
(781) 596-2502
fax (781) 598-8137
Mailing address
1441 Constitution Blvd Ste 200
Salinas, CA 939063127

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
December 15, 2022
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2084P0804X — NUCC code
State license (1)
Massachusetts #152292

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083719835. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
46
Distinct HCPCS
2
Medicare allowed
$6,786
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 25 15 $129
99215 Established patient office or other outpatient visit, 40-54 minutes 21 11 $169

In context: peer comparison

Among 2 peers in Lynn Child & Adolescent Psychiatry Physician, average services per provider: 32. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
73
Patients
0
Total drug cost
$44,376
Drug Type Claims Patients Total cost
Divalproex Sodium ER (Divalproex Sodium) Brand 20 0 $3,701
Olanzapine Generic 16 0 $576
Hydroxyzine Hcl Generic 13 0 $727
Aripiprazole Generic 12 0 $431
Invega Sustenna (Paliperidone Palmitate) Brand 12 0 $38,940

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Alexakos's medical specialty?
Dr. Mark Alexakos practices Child & Adolescent Psychiatry Physician in Lynn, MA.
Where does Dr. Mark Alexakos practice?
Dr. Mark Alexakos practices at 20 Central Ave, Lynn, MA 019011201. Office phone: 7815962502.
What is Dr. Mark Alexakos's NPI?
Dr. Mark Alexakos's National Provider Identifier (NPI) is 1083719835, issued by NPPES.
Does Dr. Mark Alexakos accept Medicare assignment?
Yes. Dr. Mark Alexakos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Alexakos commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.