Doctor profile · Federal record

Dr. Nora O'Byrne, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Merrionette Park, IL

  • NPI 1073909826
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11600 S Kedzie Ave Ste D
Merrionette Park, IL 608036307
(708) 684-6867
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
August 15, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Illinois #036.149389 · Illinois #125066904

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073909826. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
762
Distinct HCPCS
8
Medicare allowed
$83,470
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 360 142 $120
99214 Established patient office or other outpatient visit, 30-39 minutes 141 101 $130
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 101 94 $126
36415 Insertion of needle into vein for collection of blood sample 70 59 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 27 $76
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 26 17 $36
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $166
99215 Established patient office or other outpatient visit, 40-54 minutes 14 14 $176

In context: peer comparison

Among 2 peers in this city , average services per provider: 97. This provider delivers 7.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$123
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Averitas Pharma Inc. 1 $123.02

By nature of payment

Food and Beverage
$123

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,092
Patients
328
Total drug cost
$649,638
Drug Type Claims Patients Total cost
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 159 51 $79,619
Levothyroxine Sodium Generic 133 46 $2,321
Trulicity (Dulaglutide) Brand 119 21 $169,493
Ozempic (Semaglutide) Brand 89 25 $124,324
Metformin Hcl Generic 76 30 $890
Novolog Flexpen (Insulin Aspart) Brand 68 26 $66,225
Atorvastatin Calcium Generic 67 22 $1,239
Metformin Hcl Er (Metformin Hcl) Brand 60 24 $1,311
Methimazole Generic 58 21 $880
Jardiance (Empagliflozin) Brand 52 18 $64,938

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nora O'Byrne's medical specialty?
Dr. Nora O'Byrne practices Endocrinology, Diabetes & Metabolism Physician in Merrionette Park, IL.
Where does Dr. Nora O'Byrne practice?
Dr. Nora O'Byrne practices at 11600 S Kedzie Ave Ste D, Merrionette Park, IL 608036307. Office phone: 7086846867.
What is Dr. Nora O'Byrne's NPI?
Dr. Nora O'Byrne's National Provider Identifier (NPI) is 1073909826, issued by NPPES.
Does Dr. Nora O'Byrne accept Medicare assignment?
Yes. Dr. Nora O'Byrne accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nora O'Byrne commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.