Active NPI 1699885871 Individual Practitioner Male Practitioner

Dr. Thomas J Brefeld , MD

Internal Medicine • Rockford, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Brefeld, MD is a certified Internal Medicine practicing in Rockford, IL. With approximately 28 years of clinical experience since graduating from Rush Medical College Of Rush University in 1998, Dr. Brefeld delivers high-quality medical care to the local community at 8201 E RIVERSIDE BLVD.

Dr. Brefeld is affiliated with Rockford Health Physicians and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, initial hospital care with straightforward or low-level medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

8201 E Riverside Blvd

Rockford, IL 611142300

Telephone 8159714066

Associated Practice Facility / Clinic

🏢 Javon Bea Hospital Facility NPI 1629118609

Medicare Profile & Education

Medical School

Rush Medical College Of Rush University

Graduation Year

1998

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Rockford, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

28 Yrs +6.7 yrs vs City Avg

City Avg: 21.3 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

85 Specialists

Practicing in Rockford, IL (7544 Statewide)

Telehealth Adoption Rate

2.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

62.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Brefeld (28 Years) 28 Yrs

Rockford Specialty Average (21.3 Years) 21.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	222	88	$194.11	$77.15
99239 Hospital discharge day management, more than 30 minutes	76	73	$296.47	$106.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	236	100	$183.01	$78.45
99239 Hospital discharge day management, more than 30 minutes	74	73	$282.15	$111.28
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	23	22	$344.43	$129.80
99238 Hospital discharge day management, 30 minutes or less	11	11	$184.91	$79.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	334	123	$158.90	$70.06
99239 Hospital discharge day management, more than 30 minutes	82	80	$237.89	$102.09
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	29	19	$237.62	$101.21
99217 Hospital observation care on day of discharge	28	27	$160.23	$70.58
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$430.56	$196.83
99238 Hospital discharge day management, 30 minutes or less	15	15	$165.68	$66.84
99225 Subsequent observation care, typically 25 minutes per day	15	11	$143.71	$70.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	322	125	$134.74	$71.02
99239 Hospital discharge day management, more than 30 minutes	71	70	$200.94	$103.68
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	30	17	$193.81	$102.60
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	16	$378.85	$199.20
99217 Hospital observation care on day of discharge	14	14	$135.84	$71.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	352	141	$133.04	$72.57
99239 Hospital discharge day management, more than 30 minutes	108	106	$199.01	$106.92
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	65	39	$191.44	$104.20
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	34	34	$374.23	$204.99
99217 Hospital observation care on day of discharge	23	23	$134.12	$69.84
99225 Subsequent observation care, typically 25 minutes per day	15	14	$134.12	$73.56
99238 Hospital discharge day management, 30 minutes or less	12	12	$133.04	$73.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	498	195	$127.92	$72.80
99239 Hospital discharge day management, more than 30 minutes	125	122	$191.36	$104.98
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	76	51	$184.08	$104.21
99217 Hospital observation care on day of discharge	35	35	$128.96	$69.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$359.84	$202.71
99225 Subsequent observation care, typically 25 minutes per day	13	11	$128.96	$73.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	416	181	$123.00	$71.78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	197	85	$177.00	$100.35
99239 Hospital discharge day management, more than 30 minutes	129	127	$184.00	$104.99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	53	52	$346.00	$193.40
99217 Hospital observation care on day of discharge	28	26	$124.00	$69.23
99220 Hospital observation care, typically 70 minutes	24	24	$315.00	$184.11
99238 Hospital discharge day management, 30 minutes or less	14	14	$123.00	$71.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	379	177	$119.00	$70.52
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	173	83	$172.00	$101.25
99239 Hospital discharge day management, more than 30 minutes	136	132	$179.00	$105.25
99217 Hospital observation care on day of discharge	65	64	$120.00	$69.59
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	64	64	$336.00	$196.90
99220 Hospital observation care, typically 70 minutes	26	26	$306.00	$170.93
99238 Hospital discharge day management, 30 minutes or less	22	22	$119.00	$71.06
99225 Subsequent observation care, typically 25 minutes per day	14	11	$120.00	$67.19

Medical Specialties & State Licenses

CMS Verified: 2025-05-13

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036104961

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License IL 036104961

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036104961 (IL)

Hospital & Practice Group Affiliations

Rockford Health Physicians

2400 N Rockton Ave, Rockford, IL 611033655

Phone: 8159713507

Secondary Practice Locations

901 Grant St

Harvard, IL 600331821

Phone: 8159435431

2400 N Rockton Ave

Rockford, IL 611033655

Phone: 8159714025

875 S Route 31

Crystal Lake, IL 600148190

Phone: 7792205500

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

10 Associated Practitioners

Dr. Maliha Syed , MD, MBBS

Internal Medicine

NPI 1043230303

Doctor of Medicine (M.D.), Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.)

Dr. Meredith Scott , MD

Emergency Medicine

NPI 1114588597

Doctor of Medicine (M.D.)

Dr. Vishnu Raj Kumar Mani , MD

Surgery

NPI 1174964951

Doctor of Medicine (M.D.)

Dr. Marian Tripp , MD

Family Medicine

NPI 1316334287

Doctor of Medicine (M.D.)

Dr. Sanya Siraj , MD

Hospitalist

NPI 1356554075

Doctor of Medicine (M.D.)

Dr. Kushal Patel , MD

Internal Medicine

NPI 1386063782

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location May 23, 2025

Registered at 8201 E RIVERSIDE BLVD, ROCKFORD, IL 611142300 (Tel: 8159714066)

📍

Updated Business Mailing Address May 23, 2025

Registered at 29624 NETWORK PL, CHICAGO, IL 606731296 (Tel: 6087566278)

✅

NPI Profile Active January 20, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location January 20, 2010

Registered at 2400 N ROCKTON AVE, ROCKFORD, IL 611033655 (Tel: 8159714025)

📍

Updated Business Mailing Address January 20, 2010

Registered at 2400 N ROCKTON AVE, ROCKFORD, IL 611033655 (Tel: 8159714025)

👤

Provider Name / Credentials Updated January 20, 2010

Recorded as THOMAS BREFELD, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 20, 2010

Hospitalist (License #036104961 in IL)

🟢

Initial NPI Registration & Enumeration August 30, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Thomas Brefeld. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1699885871

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 30, 2006

Last Update: May 23, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

29624 Network Pl

Chicago, IL 606731296

Phone: 6087566278

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.