Doctor profile · Federal record

Dr. Mark Mechak, PA-C

Physician Assistant · Gainesville, VA

  • NPI 1891250502
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14535 John Marshall Hwy Ste 105
Gainesville, VA 201554024
(703) 754-0425
Mailing address
4520 Minuteman Dr
Rockville, MD 208531252

Credentials & registration

NPPES · NUCC
NPI registered
February 2019 — 7 yrs on file
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Virginia #0110006558

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891250502. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
451
Distinct HCPCS
10
Medicare allowed
$33,224
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 136 84 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 114 73 $102
99215 Established patient office or other outpatient visit, 40-54 minutes 60 37 $149
99213 Established patient office or other outpatient visit, 20-29 minutes 31 28 $74
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 30 30 $107
G0444 Annual depression screening, 5 to 15 minutes 28 28 $15
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 14 14 $280
G0009 Administration of pneumococcal vaccine 14 14 $30
90662 Influenza vaccine split virus, preservative free 12 12 $72
G0008 Administration of influenza virus vaccine 12 12 $30

In context: peer comparison

Among 3 peers in this city , average services per provider: 46. This provider delivers 9.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$45
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $24.89
Merck Sharp & Dohme LLC 1 $19.77

By nature of payment

Food and Beverage
$45

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
489
Patients
113
Total drug cost
$44,181
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 99 29 $1,241
Lisinopril Generic 47 17 $301
Levothyroxine Sodium Generic 44 13 $900
Amlodipine Besylate Generic 42 13 $200
Rosuvastatin Calcium Generic 37 11 $675
Losartan Potassium Generic 28 0 $331
Furosemide Generic 27 0 $162
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 25 14 $643
Simvastatin Generic 24 0 $310
Ozempic (Semaglutide) Brand 21 0 $37,794

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Mechak's medical specialty?
Dr. Mark Mechak practices Physician Assistant in Gainesville, VA.
Where does Dr. Mark Mechak practice?
Dr. Mark Mechak practices at 14535 John Marshall Hwy Ste 105, Gainesville, VA 201554024. Office phone: 7037540425.
What is Dr. Mark Mechak's NPI?
Dr. Mark Mechak's National Provider Identifier (NPI) is 1891250502, issued by NPPES.
Does Dr. Mark Mechak accept Medicare assignment?
Yes. Dr. Mark Mechak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Mechak commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); 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.