Doctor profile · Federal record

Dr. Sermsak Lolak, MD

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Falls Church, VA

  • NPI 1285823898
  • Accepts Medicare
  • 29 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3300 Gallows RD
Falls Church, VA 220423307
(703) 776-4001
fax (703) 776-7113
Additional location
8411 Pennell St
Fairfax, VA 22031
(703) 698-2526

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
May 27, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Virginia #0101236521 · Pennsylvania #MD431288

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285823898. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
269
Distinct HCPCS
4
Medicare allowed
$43,225
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 141 72 $141
99215 Established patient office or other outpatient visit, 40-54 minutes 59 34 $202
90792 Psychiatric diagnostic evaluation with medical services 46 46 $209
90833 Psychotherapy with evaluation and management visit, 30 minutes 23 16 $76

In context: peer comparison

Among 12 peers in Falls Church Psychiatry Physician, average services per provider: 96. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alkermes, INC. 1 $21.39

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
770
Patients
188
Total drug cost
$35,941
Drug Type Claims Patients Total cost
Bupropion Xl (Bupropion Hcl) Brand 128 31 $4,240
Sertraline Hcl Generic 80 22 $582
Escitalopram Oxalate Generic 64 17 $1,251
Trazodone Hcl Generic 63 18 $886
Aripiprazole Generic 62 14 $20,986
Duloxetine Hcl Generic 55 14 $1,769
Mirtazapine Generic 53 17 $1,095
Methylphenidate Hcl Generic 48 16 $1,823
Quetiapine Fumarate Generic 47 12 $767
Lorazepam Generic 43 14 $237

Frequently asked questions

Auto-generated from federal data
What is Dr. Sermsak Lolak's medical specialty?
Dr. Sermsak Lolak practices Psychiatry Physician in Falls Church, VA.
Where does Dr. Sermsak Lolak practice?
Dr. Sermsak Lolak practices at 3300 Gallows RD, Falls Church, VA 220423307. Office phone: 7037764001.
What is Dr. Sermsak Lolak's NPI?
Dr. Sermsak Lolak's National Provider Identifier (NPI) is 1285823898, issued by NPPES.
Does Dr. Sermsak Lolak accept Medicare assignment?
Yes. Dr. Sermsak Lolak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sermsak Lolak 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); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.