Sonal H. Williams, FNP

  • Elgin, IL
  • Family nurse practitioner
NPI1578013215PAC ID3274814645
Medicare patients, 2024
173
Part D claims, 2024
229
Hospital affiliations
2
Medical groups
3
State license
1
Practice address
1425 North Randall Road, Elgin, IL 60123
Practice phone
Call (847) 742-9800
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Advocate Sherman Hospital

Hospital · Elgin, Illinois

See all 5 affiliations

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Sonal H. Williams is a family nurse practitioner in Elgin, Illinois

Sonal Williams practices at Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health.

Sonal Williams' NPI, 1578013215, was assigned on October 5, 2016. Sonal Williams holds Illinois license 209014819.

NPI and contact details
Medicare PAC ID
3274814645
NPI enumeration date
October 5, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(847) 742-9800
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
36
Medical school graduation
2016

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

Sonal H. Williams practices at Advocate Sherman Hospital in Elgin, Illinois

Sonal Williams' primary practice is Advocate Sherman Hospital, at 1425 North Randall Road, Elgin, IL 60123 in Kane County. The practice phone is (847) 742-9800.

Source: Dmand AI Affiliation Data

Sonal H. Williams is affiliated with 2 sites of care and 3 medical groups

Sonal Williams' primary practice is Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health. Sonal Williams is also affiliated with OSF Saint Anthony Medical Center. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Sonal Williams to 2 more medical groups, each named with a free account.

See all 5 affiliations for Sonal Williams

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Sonal H. Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sonal Williams practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Advocate Sherman HospitalAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Sonal H. Williams is one of 7,275 family nurse practitioners in Illinois

Family is Sonal Williams' primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Sonal Williams is licensed in Illinois.

Specialties and state licenses

  • Family nurse practitioner, IllinoisPrimaryLicense 209014819 · taxonomy 363LF0000X

Family nurse practitioners near Sonal 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

Sonal H. Williams treated 173 Medicare patients in 2024, average age 73

CMS counts 173 Medicare patients who saw Sonal Williams in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Sonal Williams' median patient age at 29, with 61% women.

Medicare patients, 2024173
Average age73
Average risk score1.07
Also on Medicaid12%

Sonal Williams' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Sonal Williams' Medicare patients by sex, 2024

  • Women12472%
  • Men4928%

Chronic conditions among Sonal Williams' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure67%
  3. Arthritis53%
  4. Chronic kidney disease25%
  5. Diabetes25%
  6. Anxiety23%
  7. Mood disorders21%
  8. Depression19%

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

Sonal Williams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 29

Patient panel by sex, all payers

  • Women61%
  • Men38%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Sonal H. Williams wrote 229 Medicare Part D claims in 2024

In 2024, Sonal Williams wrote 229 Medicare Part D claims for 169 patients. 86% of them were for generic drugs.

Part D claims, 2024229
Part D patients169

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

  • Generic197 claims86%
  • Brand-name and other32 claims14%

Drug classes CMS tracks in Sonal Williams' Part D claims, 2024

  • Antibiotics53%122 of 229 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

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

How Sonal H. Williams takes part in Medicare

Sonal Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Sonal H. 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 Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare 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 percentilesDoctors and Clinicians National Downloadable File (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 Sonal H. 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 Sonal H. Williams' NPI number?

Sonal H. Williams' NPI number is 1578013215. It was assigned on October 5, 2016, and it is active in the NPI Registry.

What does Sonal H. Williams specialize in?

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

Where does Sonal H. Williams practice?

Sonal Williams practices at 1425 North Randall Road, Elgin, IL 60123. Sonal Williams' primary practice is Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health. Dmand AI also links Sonal Williams to 2 medical groups.

What is Sonal H. Williams' office phone number?

The practice phone on file for Sonal Williams is (847) 742-9800.

What is Sonal H. Williams' medical license number?

Sonal Williams holds Illinois license 209014819.

Which hospitals is Sonal H. Williams affiliated with?

Sonal Williams practices at Advocate Sherman Hospital in Elgin, Illinois. Sonal Williams is also affiliated with OSF Saint Anthony Medical Center.

What medical group is Sonal H. Williams part of?

Sonal Williams is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Sonal Williams to 2 more medical groups.

Does Sonal H. Williams accept Medicare?

Yes. CMS lists Sonal Williams as accepting Medicare assignment.

How many Medicare patients does Sonal H. Williams see?

CMS counts 173 Medicare patients who saw Sonal Williams in 2024, with an average age of 73.

How long has Sonal H. Williams been practicing?

Sonal Williams graduated from medical school in 2016, 10 years ago.

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