Doctor profile · Federal record

Dr. Lauren Williams, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Chicago, IL

  • NPI 1902048267
  • Accepts Medicare
  • MIPS 77.1 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1801 W Taylor St Ste 3Aa
Chicago, IL 606124795
(312) 413-3627
Additional location
2600 S Michigan Ave
Chicago, IL 606162857
(312) 492-0026

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
November 6, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036130700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902048267. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
39
Distinct HCPCS
2
Medicare allowed
$3,484
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 24 22 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 15 14 $69

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$97
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 3 $66.94
Boston Scientific Corporation 1 $29.98

By nature of payment

Food and Beverage
$97

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
418
Patients
90
Total drug cost
$6,738
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 47 20 $564
Atorvastatin Calcium Generic 44 18 $706
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 38 11 $1,673
Metformin Hcl Generic 33 16 $499
Omeprazole Generic 32 0 $304
Gabapentin Generic 29 0 $532
Hydrochlorothiazide Generic 29 13 $212
Losartan Potassium Generic 26 0 $410
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 24 0 $547
Lisinopril Generic 24 0 $386

Frequently asked questions

Auto-generated from federal data
What is Dr. Lauren Williams's medical specialty?
Dr. Lauren Williams practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Lauren Williams practice?
Dr. Lauren Williams practices at 1801 W Taylor St Ste 3Aa, Chicago, IL 606124795. Office phone: 3124133627.
What is Dr. Lauren Williams's NPI?
Dr. Lauren Williams's National Provider Identifier (NPI) is 1902048267, issued by NPPES.
Does Dr. Lauren Williams accept Medicare assignment?
Yes. Dr. Lauren Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lauren Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.