Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pain Management

Thomas K. Dahlberg, DO

Works at hospitals in Sterling, IL · Rockford, IL · Freeport, IL … · Illinois

Summary

Dr. Thomas K. Dahlberg, DO is a pain management doctor at 2902 McFarland Rd, Suite 100, Rockford, IL 61107. Phone: (815) 316-7300. Accepts Medicare assignment. In 2024, Thomas K. Dahlberg had 772 Original Medicare patients and 16,024 services. NPI 1801856380. 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 Thomas K. Dahlberg, 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 Thomas K. Dahlberg accept Medicare assignment?
Yes. Medicare's clinician data says Thomas K. Dahlberg 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 Thomas K. Dahlberg see?
In 2024, CMS data shows 772 Original Medicare patients and 16,024 services for Thomas K. Dahlberg. This counts Original Medicare only and measures volume, not quality.
What is Thomas K. Dahlberg's NPI number?
1801856380. 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 Thomas K. Dahlberg, 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 patients772
Services billed to Medicare16,024
Different services or procedures90
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)4,400 services
  2. Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml (Q9966)1,728 services
  3. Injection, bupivicaine, not otherwise specified, 0.5 mg (J0665)1,430 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,197 services
  5. Injection, dexamethasone sodium phosphate, 1 mg (J1100)1,026 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%
  • Arthritis73%
  • Anxiety35%
  • Diabetes31%
  • Depression30%

Hospitals where Thomas K. Dahlberg works

Medicare's Facility Affiliation Data lists Thomas K. Dahlberg 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.

  • CGH Medical CenterSterling, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140043
  • Javon Bea HospitalRockford, IL · Acute Care Hospital · closed, according to its website · CCN 140239
  • Mercyhealth FHN HospitalFreeport, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140160
  • OSF Saint Katharine Medical CenterDixon, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140012
  • Saint Anthony Medical CenterRockford, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140233

Practice locations

Addresses where Thomas K. Dahlberg is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Rockford Pain Center Ltd5 clinicians in the group

Specialties

Find other Pain Management doctors in Illinois →

Other pain management doctors in Rockford

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

All pain management doctors in Rockford →

Other clinicians in Rockford Pain Center Ltd

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

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801856380
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