NPPES file of Aug 9, 2026

Lauren Renee Williams, M.D.

Internal Medicine Physician · Chicago, IL

Lauren Renee Williams, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1902048267, issued on Apr 1, 2009. Check the license (Illinois 036130700, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902048267
Name
Lauren Renee Williams
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036130700 IL
Self-reported in NPPES; status is on the state search
Practice location
1801 W Taylor St Ste 3AA, Chicago, IL 60612
Phone
(312) 413-3627
Enumerated
Apr 1, 2009
Record last updated
Nov 6, 2023
Medicare enrollment
Enrolled (PECOS I20231024003612); accepts Medicare assignment
Medical or professional school
University Of Virginia School Of Medicine, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1801 W Taylor St Ste 3AA

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Awais Farooq, MDHospitalist Physician1366070898
  2. Elisabeth Poorman, M.D.Internal Medicine Physician1720425259
  3. Geoffrey Stetson, M.D.Internal Medicine Physician1881969061
  4. Elizabeth Van Dril, PHARMDAmbulatory Care Pharmacist1477074599

Verify Lauren Renee Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036130700
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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74% fewer Medicare Part D claims than the average internal medicine physician in 2024

817 Medicare Part D claims for 130 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 25 claims were for opioids.

  1. Lauren Williams817
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium52 claims
  2. Amlodipine Besylate41 claims
  3. Omeprazole29 claims
  4. Hydrochlorothiazide27 claims
  5. Albuterol Sulfate Hfa23 claims
  6. Losartan Potassium23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.8
  2. Costout of 100 · 30%52.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $96.92

4 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lauren Williams$96.92
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Board OF Trustees OF The University OF IllinoisChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lauren Renee Williams among 7,238 internal medicine physician records in Illinois

Lauren Renee Williams, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 49% of them.

  • NPI issued2009 · 49% of these records are older, 49% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2009 · median 2003 among the 3,580 with a school on file
  • Record last updated2023 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,867 internal medicine physician records list a practice address in Chicago

They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Keith Boyd, M.D.Chicago, IL 606121174591978
  2. Lewis Coulson, M.D.Chicago, IL 606121619944931
  3. Henry Danko, M.D.Chicago, IL 606121780659524
  4. Denis Evans, M.D.Chicago, IL 606121952385841
  5. Tabassum Faruqi, M.D.Chicago, IL 606121013968536
  6. David Goldberg, MDChicago, IL 606121275588444
  7. Ionut Ilie, M.D.Chicago, IL 606121619926383
  8. Padma Kudaravalli, M.D.Chicago, IL 606121427004514

Common questions

What is Lauren Renee Williams, M.D.'s NPI number?

Lauren Renee Williams, M.D.'s National Provider Identifier (NPI) is 1902048267, issued on Apr 1, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Renee Williams, M.D. located?

The NPPES record lists a practice address at 1801 W Taylor St Ste 3AA, Chicago, IL, 60612. Phone: (312) 413-3627. Providers update this record themselves, so call before visiting.

How can I verify Lauren Renee Williams, M.D.'s license?

NPPES lists Illinois license number 036130700, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Lauren Renee Williams, M.D. prescribe under Medicare Part D?

In 2024, Lauren Renee Williams, M.D. had 817 Medicare Part D claims for 130 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Lauren Renee Williams, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.