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Obstetrics/Gynecology

Sherri Lee M. Thornton, MD

Works at hospitals in Normal, IL · Bloomington, IL · Illinois

Summary

Dr. Sherri Lee M. Thornton, MD is an OB-GYN at 1302 Franklin Ave, Suite 2200, Normal, IL 61761. Phone: (309) 888-9900. May accept Medicare assignment. In 2024, Sherri Lee M. Thornton had 129 Original Medicare patients and 230 services. NPI 1770695975. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1302 Franklin Ave, Suite 2200, Normal, IL 61761 · Directions
  • Phone: (309) 888‑9900
  • Medicare: May accept Medicare assignment
  • Hospitals: Carle Bromenn Medical Center, St Joseph Medical Center
  • Group practice: Thornton and Haas, S.C.
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 1995 (31 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sherri Lee M. Thornton, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sherri Lee M. Thornton accept Medicare assignment?
Medicare's clinician data says Sherri Lee M. Thornton may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Sherri Lee M. Thornton see?
In 2024, CMS data shows 129 Original Medicare patients and 230 services for Sherri Lee M. Thornton. This counts Original Medicare only and measures volume, not quality.
What is Sherri Lee M. Thornton's NPI number?
1770695975. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Sherri Lee M. Thornton, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients129
Services billed to Medicare230
Different services or procedures16
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)82 services
  2. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)49 services
  3. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)31 services
  4. Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)16 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol60%
  • High blood pressure58%
  • Arthritis45%
  • Anxiety26%
  • Diabetes19%
  • Ischemic heart disease15%

Hospitals where Sherri Lee M. Thornton works

Medicare's Facility Affiliation Data lists Sherri Lee M. Thornton at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Carle Bromenn Medical CenterNormal, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140127
  • St Joseph Medical CenterBloomington, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140162

Practice locations

Addresses where Sherri Lee M. Thornton is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sherri Lee M. Thornton as a member of this group (CMS data updated October 2, 2026).

  • Thornton and Haas, S.C.2 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Illinois →

Other OB-GYNs in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All OB-GYNs in Illinois →

Other clinicians in Thornton and Haas, S.C.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1770695975
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians