Doctor profile · Federal record

Dr. Mary Maher, CNS

Clinical Nurse Specialist (CMS: Certified Clinical Nurse Specialist (CNS)) · Chicago, IL

  • NPI 1881624286
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 34 yrs in practice
  • 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
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
364S00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881624286. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
245
Distinct HCPCS
2
Medicare allowed
$19,783
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 164 144 $80
99442 Telephone medical discussion with physician, 11-20 minutes 81 77 $82

In context: peer comparison

Among 5 peers in Chicago Clinical Nurse Specialist, average services per provider: 85. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$205
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novocure INC. 1 $154.11
Boston Scientific Corporation 1 $28.78
Medtronic, INC. 1 $21.67

By nature of payment

Food and Beverage
$205

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
62
Patients
17
Total drug cost
$2,034
Drug Type Claims Patients Total cost
Levetiracetam Generic 51 17 $1,739
Pentoxifylline Generic 11 0 $295

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Maher's medical specialty?
Dr. Mary Maher practices Clinical Nurse Specialist in Chicago, IL.
Where does Dr. Mary Maher practice?
Dr. Mary Maher practices at 680 N Lake Shore Dr, Chicago, IL 606114546. Office phone: 3126959797.
What is Dr. Mary Maher's NPI?
Dr. Mary Maher's National Provider Identifier (NPI) is 1881624286, issued by NPPES.
Does Dr. Mary Maher accept Medicare assignment?
Yes. Dr. Mary Maher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Maher commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.