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Hematology/Oncology

Jessica K. Altman, MD

Works at hospitals in Lake Forest, IL · Winfield, IL · McHenry, IL … · Illinois

Summary

Dr. Jessica K. Altman, MD is a hematologist-oncologist at 1200 N Westmoreland Rd, Suite 100, Lake Forest, IL 60045. Phone: (847) 735-8500. Accepts Medicare assignment. In 2024, Jessica K. Altman had 300 Original Medicare patients and 51,104 services. NPI 1831391200. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Jessica K. Altman, 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 Jessica K. Altman accept Medicare assignment?
Yes. Medicare's clinician data says Jessica K. Altman 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 Jessica K. Altman see?
In 2024, CMS data shows 300 Original Medicare patients and 51,104 services for Jessica K. Altman. This counts Original Medicare only and measures volume, not quality.
What is Jessica K. Altman's NPI number?
1831391200. 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 Jessica K. Altman, 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 patients300
Services billed to Medicare51,104
Different services or procedures111
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, daratumumab, 10 mg and hyaluronidase-fihj (J9144)4,500 services
  2. Injection, methylprednisolone sodium succinate, 5 mg (J2919)4,250 services
  3. Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg (J1569)3,070 services
  4. Injection, fosaprepitant, 1 mg (J1453)2,400 services
  5. Injection, bortezomib, 0.1 mg (J9041)1,190 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 blood pressure73%
  • High cholesterol69%
  • Arthritis42%
  • Ischemic heart disease31%
  • Chronic kidney disease29%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)29%

Hospitals where Jessica K. Altman works

Medicare's Facility Affiliation Data lists Jessica K. Altman 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.

Practice locations

Addresses where Jessica K. Altman is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 20; the Medicare profile lists all.

Group practices

Medicare enrollment lists Jessica K. Altman as a member of this group (CMS data updated October 2, 2026).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Illinois →

Other hematologist-oncologists in Lake Forest

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

All hematologist-oncologists in Lake Forest →

Other clinicians in Northwestern Medical Faculty Foundation

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

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1831391200
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