Doctor profile · Federal record

Dr. Tamra Williams, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Hoffman Estates, IL

  • NPI 1740733658
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
2300 Barrington RD, Ste 400
Hoffman Estates, IL 601692036
(815) 947-4463
Additional location
2331 W Chicago Ave
Chicago, IL 606224723
(630) 405-5500
fax (630) 405-0121
Additional location
640 Bankview Dr Ste 2
Frankfort, IL 604231669
(815) 464-0081
Mailing address
Po Box 3603
Oak Brook, IL 605223603

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
April 2, 2026
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209014564
Medicaid (2)
IL #209014564 · IL #209-014564

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740733658. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
28
Distinct HCPCS
1
Medicare allowed
$2,981
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 28 21 $106

In context: peer comparison

Among 4 peers in Hoffman Estates Family Nurse Practitioner, average services per provider: 77. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
0
Total drug cost
$1,332
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 20 0 $199
Duloxetine Hcl Generic 16 0 $194
Levothyroxine Sodium Generic 15 0 $130
Amlodipine Besylate Generic 14 0 $100
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 0 $514
Gabapentin Generic 13 0 $151
Clonazepam Generic 11 0 $43

Frequently asked questions

Auto-generated from federal data
What is Dr. Tamra Williams's medical specialty?
Dr. Tamra Williams practices Family Nurse Practitioner in Hoffman Estates, IL.
Where does Dr. Tamra Williams practice?
Dr. Tamra Williams practices at 2300 Barrington RD, Hoffman Estates, IL 601692036. Office phone: 8159474463.
What is Dr. Tamra Williams's NPI?
Dr. Tamra Williams's National Provider Identifier (NPI) is 1740733658, issued by NPPES.
Does Dr. Tamra Williams accept Medicare assignment?
Yes. Dr. Tamra Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tamra Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.