Doctor profile · Federal record

Dr. Elle O'Brien

Physician Assistant · Chicago, IL

  • NPI 1881348092
  • Accepts Medicare
  • MIPS 72.7 / 100 · 2023
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1725 W Harrison St Ste 1010
Chicago, IL 606123845
(312) 226-2371
fax (312) 563-0715

Credentials & registration

NPPES · NUCC
NPI registered
February 2022 — 4 yrs on file
Profile last updated
April 29, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Illinois #085-008813

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881348092. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,107
Distinct HCPCS
10
Medicare allowed
$126,082
HCPCS Description Services Patients Avg allowed
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg 1,216 16 $14
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 949 91 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 264 172 $79
20610 Aspiration and/or injection of fluid from large joint 131 93 $66
73564 X-ray of knee, 4 or more views 106 77 $12
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 101 85 $99
J7326 Hyaluronan or derivative, gel-one, for intra-articular injection, per dose 98 70 $508
99214 Established patient office or other outpatient visit, 30-39 minutes 75 73 $113
73562 X-ray of knee, 3 views 67 57 $9
27447 Replacement of knee joint, both sides of knee 40 38 $192

In context: peer comparison

Among 260 peers in Chicago Physician Assistant, average services per provider: 66. This provider delivers 47× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
440
Patients
382
Total drug cost
$8,753
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 111 83 $1,439
Cephalexin Generic 83 79 $556
Celecoxib Generic 56 48 $1,539
Meloxicam Generic 48 38 $173
Pantoprazole Sodium Generic 42 41 $387
Tramadol Hcl Generic 27 20 $87
Cyclobenzaprine Hcl Generic 26 26 $394
Hydromorphone Hcl Generic 18 18 $36
Ondansetron Hcl Generic 16 16 $265
Eliquis (Apixaban) Brand 13 13 $3,878

Frequently asked questions

Auto-generated from federal data
What is Dr. Elle O'Brien's medical specialty?
Dr. Elle O'Brien practices Physician Assistant in Chicago, IL.
Where does Dr. Elle O'Brien practice?
Dr. Elle O'Brien practices at 1725 W Harrison St Ste 1010, Chicago, IL 606123845. Office phone: 3122262371.
What is Dr. Elle O'Brien's NPI?
Dr. Elle O'Brien's National Provider Identifier (NPI) is 1881348092, issued by NPPES.
Does Dr. Elle O'Brien accept Medicare assignment?
Yes. Dr. Elle O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elle O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg (HCPCS J3304); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.