Doctor profile · Federal record

Dr. Lionel Marx, PA

Medical Physician Assistant (CMS: Physician Assistant) · Surgical Physician Assistant · Happy Valley, OR

  • NPI 1013268200
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9361 Se 82Nd Ave
Happy Valley, OR 970863645
(971) 202-2090
Additional location
320 Sw Century Dr Ste 405-392
Bend, OR 977023037
(541) 280-6201

Credentials & registration

NPPES · NUCC
NPI registered
September 2012 — 14 yrs on file
Profile last updated
August 16, 2023
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Oregon #PA160239

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013268200. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
181
Distinct HCPCS
5
Medicare allowed
$12,755
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 96 91 $78
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 31 31 $50
99203 New patient office or other outpatient visit, 30-44 minutes 22 22 $95
81003 Automated urinalysis test 18 18 $2
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $113

In context: peer comparison

Among 1 peers in this city , average services per provider: 36. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
177
Patients
156
Total drug cost
$1,831
Drug Type Claims Patients Total cost
Cephalexin Generic 39 37 $288
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 31 31 $419
Prednisone Generic 25 23 $60
Doxycycline Hyclate Generic 22 22 $288
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 15 $405
Triamcinolone Acetonide Generic 17 13 $79
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 15 $252
Fluconazole Generic 11 0 $40

Frequently asked questions

Auto-generated from federal data
What is Dr. Lionel Marx's medical specialty?
Dr. Lionel Marx practices Medical Physician Assistant in Happy Valley, OR.
Where does Dr. Lionel Marx practice?
Dr. Lionel Marx practices at 9361 Se 82Nd Ave, Happy Valley, OR 970863645. Office phone: 9712022090.
What is Dr. Lionel Marx's NPI?
Dr. Lionel Marx's National Provider Identifier (NPI) is 1013268200, issued by NPPES.
Does Dr. Lionel Marx accept Medicare assignment?
Yes. Dr. Lionel Marx accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lionel Marx commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (HCPCS 87635); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.