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Orthopedic Surgery

Jennifer L. Bayer, MD

Works at hospitals in Munster, IN · Crown Point, IN · Hobart, IN · Indiana

Summary

Dr. Jennifer L. Bayer, MD is an orthopedic surgeon at 1129 Merrillville Rd, Crown Point, IN 46307. Phone: (219) 213-6630. Accepts Medicare assignment. In 2024, Jennifer L. Bayer had 313 Original Medicare patients and 7,887 services. NPI 1073724548. 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 Jennifer L. Bayer, 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 Jennifer L. Bayer accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer L. Bayer 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 Jennifer L. Bayer see?
In 2024, CMS data shows 313 Original Medicare patients and 7,887 services for Jennifer L. Bayer. This counts Original Medicare only and measures volume, not quality.
What is Jennifer L. Bayer's NPI number?
1073724548. 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 Jennifer L. Bayer, 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 patients313
Services billed to Medicare7,887
Different services or procedures74
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)3,249 services
  2. Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)1,017 services
  3. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)754 services
  4. Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)532 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)515 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 pressure75%
  • High cholesterol75%
  • Arthritis75%
  • Ischemic heart disease32%
  • Diabetes31%
  • Anxiety23%

Hospitals where Jennifer L. Bayer works

Medicare's Facility Affiliation Data lists Jennifer L. Bayer 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 Jennifer L. Bayer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer L. Bayer as a member of this group (CMS data updated October 2, 2026).

  • Advanced Orthopedics and Sports Medicine LLC3 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Indiana →

Other orthopedic surgeons in Crown Point

Clinicians with the same Medicare primary specialty in Crown Point, IN — not a recommendation.

All orthopedic surgeons in Crown Point →

Other clinicians in Advanced Orthopedics and Sports Medicine LLC

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

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073724548
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