Doctor profile · Federal record

Dr. Emma Williams, PA

Physician Assistant · Portland, OR

  • NPI 1588014138
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
501 N Graham St Ste 580
Portland, OR 972272003
(503) 528-0704

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Oregon #PA176551

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588014138. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
21
Distinct HCPCS
1
Medicare allowed
$1,272
HCPCS Description Services Patients Avg allowed
99283 Emergency department visit with low level of medical decision making 21 20 $61

In context: peer comparison

Among 114 peers in Portland Physician Assistant, average services per provider: 61. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
31
Patients
31
Total drug cost
$263
Drug Type Claims Patients Total cost
Cephalexin Generic 17 17 $121
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 14 $142

Frequently asked questions

Auto-generated from federal data
What is Dr. Emma Williams's medical specialty?
Dr. Emma Williams practices Physician Assistant in Portland, OR.
Where does Dr. Emma Williams practice?
Dr. Emma Williams practices at 501 N Graham St Ste 580, Portland, OR 972272003. Office phone: 5035280704.
What is Dr. Emma Williams's NPI?
Dr. Emma Williams's National Provider Identifier (NPI) is 1588014138, issued by NPPES.
Does Dr. Emma Williams accept Medicare assignment?
Yes. Dr. Emma Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Emma Williams commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.