Doctor profile · Federal record

Dr. Tammy Brown, APN

Adult Health Nurse Practitioner · North Chicago, IL

  • NPI 1972769073
  • 18 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3001 Green Bay RD
North Chicago, IL 600643048
(224) 610-4736
Additional location
2650 Ridge Ave
Evanston, IL 602011718
(847) 570-3542
fax (847) 570-2336
Mailing address
2650 Ridge Ave
Evanston, IL 602011718

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
March 15, 2024
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Illinois #209.007013

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972769073. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
26
Distinct HCPCS
1
Medicare allowed
$3,956
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 26 26 $152

In context: peer comparison

Among 1 peers in this city , average services per provider: 26. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,163
Transactions
28
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 27 $4,149.42
Ipsen Biopharmaceuticals, Inc 1 $13.79

By nature of payment

Consulting Fee
$4,149
Food and Beverage
$14

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammy Brown's medical specialty?
Dr. Tammy Brown practices Adult Health Nurse Practitioner in North Chicago, IL.
Where does Dr. Tammy Brown practice?
Dr. Tammy Brown practices at 3001 Green Bay RD, North Chicago, IL 600643048. Office phone: 2246104736.
What is Dr. Tammy Brown's NPI?
Dr. Tammy Brown's National Provider Identifier (NPI) is 1972769073, issued by NPPES.
What procedures does Dr. Tammy Brown commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.