Clarissa Lauren Williams

  • Chicago, IL
  • Family nurse practitioner
NPI1619648334
Medicare patients, 2024
84
Part D claims, 2024
457
MIPS score, 2024
93
Industry payments
$16
Affiliated sites
1
Practice address
1801 W Taylor St Ste 3aa Suite 3aa, Chicago, IL 60612
Practice phone
Call (312) 413-3627
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Uic Physician Group - Chicago (W Taylor St)

Multi-specialty group site · Chicago, Illinois

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Clarissa Lauren Williams is a family nurse practitioner in Chicago, Illinois

Clarissa Williams practices at Uic Physician Group - Chicago (W Taylor St) in Chicago, Illinois.

Clarissa Williams' NPI, 1619648334, was assigned on September 22, 2021. Clarissa Williams holds Illinois license 209024051.

NPI and contact details
NPI enumeration date
September 22, 2021
NPI status
Active
Practice phone
(312) 413-3627
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Clarissa Lauren Williams practices at Uic Physician Group - Chicago (W Taylor St) in Chicago, Illinois

Clarissa Williams' primary practice is Uic Physician Group - Chicago (W Taylor St), at 1801 W Taylor St Ste 3aa Suite 3aa, Chicago, IL 60612. The practice phone is (312) 413-3627.

  • Uic Physician Group - Chicago (W Taylor St)
    1801 W Taylor St Ste 3aa Suite 3aa, Chicago, IL 60612Phone(312) 413-3627

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Clarissa Lauren Williams is affiliated with 1 site of care and 1 medical group

Clarissa Williams' primary practice is Uic Physician Group - Chicago (W Taylor St) in Chicago, Illinois. The medical group on file is University of Illinois Physicians Group (UIPG).

Uic Physician Group - Chicago (W Taylor St)Multi-specialty group site · Chicago, IllinoisPrimary
University of Illinois Physicians Group (UIPG)Primary care group, Chicago, IL

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Clarissa Lauren Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Clarissa Williams practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Uic Physician Group - Chicago (W Taylor St)Available with a free account

Source: Dmand AI Technology Install Data

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Clarissa Lauren Williams is one of 7,275 family nurse practitioners in Illinois

Family is Clarissa Williams' primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dmand AI has Clarissa Williams' licenses on file in 2 states: Illinois and Indiana.

Specialties and state licenses

  • Family nurse practitioner, IllinoisPrimaryLicense 209024051 · taxonomy 363LF0000X
  • Registered nurse, IndianaLicense 71011689A · taxonomy 163W00000X

Family nurse practitioners near Clarissa Williams

Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Clarissa Lauren Williams treated 84 Medicare patients in 2024, average age 68

CMS counts 84 Medicare patients who saw Clarissa Williams in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have arthritis, and 75% have high blood pressure. 67% are also on Medicaid. Their average risk score is 2.02, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Medicare patients, 202484
Average age68
Average risk score2.02
Also on Medicaid67%

Clarissa Williams' Medicare patients by age, 2024

Clarissa Williams' Medicare patients by sex, 2024

  • Women6577%
  • Men1923%

Chronic conditions among Clarissa Williams' Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol57%
  4. Diabetes36%
  5. Chronic kidney disease32%
  6. COPD26%
  7. Ischemic heart disease23%
  8. Asthma19%

Share of Medicare patients with each condition. A patient can have several.

Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Clarissa Lauren Williams wrote 457 Medicare Part D claims in 2024

In 2024, Clarissa Williams wrote 457 Medicare Part D claims for 138 patients. 92% of them were for generic drugs.

Part D claims, 2024457
Part D patients138

Clarissa Williams' Part D claims by kind of drug, 2024

  • Generic420 claims92%
  • Brand-name37 claims8%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Clarissa Lauren Williams scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Clarissa Williams for performance year 2024, reported as part of a group.

Clarissa Williams' MIPS scores, performance year 2024

  • 93of 100Final score
  • 73.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Clarissa Lauren Williams received $16 in industry payments in 2025

CMS Open Payments shows 1 general payment to Clarissa Williams from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $16.

Companies that paid Clarissa Williams the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Clarissa Williams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Clarissa Lauren Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Clarissa Lauren Williams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Clarissa Lauren Williams' NPI number?

Clarissa Lauren Williams' NPI number is 1619648334. It was assigned on September 22, 2021, and it is active in the NPI Registry.

What does Clarissa Lauren Williams specialize in?

Clarissa Lauren Williams is a family nurse practitioner in Chicago, Illinois. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Clarissa Lauren Williams practice?

Clarissa Williams practices at 1801 W Taylor St Ste 3aa Suite 3aa, Chicago, IL 60612. Clarissa Williams' primary practice is Uic Physician Group - Chicago (W Taylor St) in Chicago, Illinois.

What is Clarissa Lauren Williams' office phone number?

The practice phone on file for Clarissa Williams is (312) 413-3627.

What is Clarissa Lauren Williams' medical license number?

Clarissa Williams holds Illinois license 209024051, one of the licenses on file in 2 states.

Which states has Clarissa Lauren Williams been licensed in?

Dmand AI has state licenses on file for Clarissa Williams in Illinois and Indiana.

What medical group is Clarissa Lauren Williams part of?

Clarissa Williams is linked to University of Illinois Physicians Group (UIPG).

What is Clarissa Lauren Williams' MIPS score?

Clarissa Williams' MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

How many Medicare patients does Clarissa Lauren Williams see?

CMS counts 84 Medicare patients who saw Clarissa Williams in 2024, with an average age of 68.

Has Clarissa Lauren Williams received payments from drug or device companies?

CMS Open Payments shows $16 in general payments to Clarissa Williams from 1 company from 2025 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Clarissa Lauren Williams been practicing?

Clarissa Williams' NPI was assigned in 2021.

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