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Family Practice

Summer M. Hassan, DO

Works at hospitals in Bloomington, IL · Illinois

Summary

Dr. Summer M. Hassan, DO is a family doctor at 1505 Eastland Dr, 320 Crtca Plmnry Slp Med, Bloomington, IL 61701. Phone: (309) 661-2368. Accepts Medicare assignment. In 2024, Summer M. Hassan had 812 Original Medicare patients and 1,854 services. NPI 1154736452. 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: Family doctor (Medicare lists Family Practice)
  • Address: 1505 Eastland Dr, 320 Crtca Plmnry Slp Med, Bloomington, IL 61701 · Directions
  • Phone: (309) 661‑2368
  • Medicare: Accepts Medicare assignment
  • Hospital: St Joseph Medical Center
  • Group practice: OSF Multi-Specialty Group
  • Medical school: At Still University Of Health Sciences, College Of Osteo Med, Kirksville · graduated 2014 (12 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Summer M. Hassan, 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 Summer M. Hassan accept Medicare assignment?
Yes. Medicare's clinician data says Summer M. Hassan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Summer M. Hassan see?
In 2024, CMS data shows 812 Original Medicare patients and 1,854 services for Summer M. Hassan. This counts Original Medicare only and measures volume, not quality.
What is Summer M. Hassan's NPI number?
1154736452. 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 Summer M. Hassan, 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 patients812
Services billed to Medicare1,854
Different services or procedures82
Participating Medicare providerYes
Average age of these patients72

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)220 services
  2. X-ray of chest, 2 views (71046)134 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)120 services
  4. Injection of drug or substance under skin or into muscle (96372)117 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)73 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 cholesterol72%
  • High blood pressure67%
  • Arthritis48%
  • Anxiety28%
  • Diabetes27%
  • Depression22%

Hospitals where Summer M. Hassan works

Medicare's Facility Affiliation Data lists Summer M. Hassan 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.

  • 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 Summer M. Hassan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • OSF Multi-Specialty Group2,114 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Bloomington

Clinicians with the same Medicare primary specialty in Bloomington, IL — not a recommendation.

All family doctors in Bloomington →

Other clinicians in OSF Multi-Specialty Group

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

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154736452
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