Doctor profile · Federal record

Dr. Eileen Mahler, CNP

Adult Health Nurse Practitioner · Chicago, IL

  • NPI 1073543427
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
680 N Lake Shore Dr, Suite 1000
Chicago, IL 606114546
(312) 695-9797

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
363LA2200X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073543427. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
420
Distinct HCPCS
7
Medicare allowed
$36,258
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 159 118 $111
83036 Hemoglobin a1c level 106 86 $9
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 61 30 $105
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 41 17 $70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $153
99215 Established patient office or other outpatient visit, 40-54 minutes 19 18 $151
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $178

In context: peer comparison

Among 43 peers in this city , average services per provider: 149. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$188
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
BETA BIONICS, INC. 1 $146.96
Ascensia Diabetes Care Us Inc. 1 $22.28
Amgen Inc. 1 $18.30

By nature of payment

Food and Beverage
$188

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
497
Patients
161
Total drug cost
$331,031
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 75 34 $1,302
Trulicity (Dulaglutide) Brand 64 19 $88,011
Metformin Hcl Er (Metformin Hcl) Brand 50 22 $799
Jardiance (Empagliflozin) Brand 49 25 $73,379
Ozempic (Semaglutide) Brand 41 18 $62,107
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 39 17 $27,602
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 29 14 $2,611
Humalog Kwikpen U-100 (Insulin Lispro) Brand 25 0 $22,822
Rosuvastatin Calcium Generic 25 12 $464
Basaglar Kwikpen U-100 (Insulin Glargine,hum.Rec.Anlog) Brand 20 0 $10,075

Frequently asked questions

Auto-generated from federal data
What is Dr. Eileen Mahler's medical specialty?
Dr. Eileen Mahler practices Adult Health Nurse Practitioner in Chicago, IL.
Where does Dr. Eileen Mahler practice?
Dr. Eileen Mahler practices at 680 N Lake Shore Dr, Chicago, IL 606114546. Office phone: 3126959797.
What is Dr. Eileen Mahler's NPI?
Dr. Eileen Mahler's National Provider Identifier (NPI) is 1073543427, issued by NPPES.
What procedures does Dr. Eileen Mahler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.