Active NPI 1427071240 Individual Practitioner Male Practitioner

Dr. Christopher Lieb , MD

Internal Medicine • Brookfield, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Lieb, MD is a certified Internal Medicine practicing in Brookfield, WI. With approximately 26 years of clinical experience since graduating from University Of Wisconsin School Of Medicine in 2000, Dr. Lieb delivers high-quality medical care to the local community at 19333 W NORTH AVE.

Dr. Lieb is affiliated with Ascension Medical Group-Southeast Wisconsin Inc 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 moderate level of 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

19333 W North Ave

Brookfield, WI 530454132

Telephone 2627853010

Associated Practice Facility / Clinic

🏢 Ascension Wisconsin Pharmacy, Inc. Facility NPI 1114994209

Medicare Profile & Education

Medical School

University Of Wisconsin School Of Medicine

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Brookfield, WI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

26 Yrs -3.4 yrs vs City Avg

City Avg: 29.4 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

39 Specialists

Practicing in Brookfield, WI (2181 Statewide)

Telehealth Adoption Rate

41.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

66.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lieb (26 Years) 26 Yrs

Brookfield Specialty Average (29.4 Years) 29.4 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	190	75	$190.47	$72.03
99239 Hospital discharge day management, more than 30 minutes	67	62	$282.06	$105.07
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	43	41	$530.51	$156.17

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	217	90	$182.83	$75.61
99239 Hospital discharge day management, more than 30 minutes	67	66	$270.91	$109.36
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	49	48	$504.16	$165.85
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	22	11	$258.50	$113.77

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	201	78	$174.66	$67.70
99239 Hospital discharge day management, more than 30 minutes	50	48	$260.20	$100.25
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	42	41	$490.12	$187.46
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	19	11	$247.05	$98.20
99220 Hospital observation care, typically 70 minutes	17	17	$446.41	$169.88
99217 Hospital observation care on day of discharge	11	11	$176.45	$67.85

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	234	86	$168.17	$68.65
99239 Hospital discharge day management, more than 30 minutes	58	54	$249.70	$101.74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	49	48	$471.38	$191.19
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	36	18	$243.80	$98.74
99220 Hospital observation care, typically 70 minutes	19	19	$427.76	$173.71
99217 Hospital observation care on day of discharge	15	15	$168.02	$68.98

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	190	79	$161.49	$70.98
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	55	22	$231.13	$102.12
99239 Hospital discharge day management, more than 30 minutes	54	53	$239.18	$104.95
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	43	41	$445.51	$197.36
99217 Hospital observation care on day of discharge	15	15	$161.97	$70.87
99220 Hospital observation care, typically 70 minutes	14	14	$415.41	$181.06

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	198	84	$152.36	$69.71
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	46	46	$419.09	$192.77
99239 Hospital discharge day management, more than 30 minutes	46	45	$223.26	$103.47
99231 Follow-up hospital inpatient care per day, typically 15 minutes	20	14	$82.90	$38.09
99220 Hospital observation care, typically 70 minutes	18	18	$380.56	$180.17
99217 Hospital observation care on day of discharge	14	14	$148.71	$70.96

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	264	111	$146.80	$69.83
99239 Hospital discharge day management, more than 30 minutes	75	75	$213.72	$103.71
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	71	69	$397.06	$194.42
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	30	20	$207.20	$100.02
99217 Hospital observation care on day of discharge	20	20	$144.60	$70.29
99220 Hospital observation care, typically 70 minutes	20	20	$353.85	$178.80
99225 Subsequent observation care, typically 25 minutes per day	12	12	$138.33	$70.35

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	191	80	$145.00	$69.18
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	74	73	$393.00	$194.36
99239 Hospital discharge day management, more than 30 minutes	43	43	$211.00	$103.51
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	42	27	$207.00	$98.41
99231 Follow-up hospital inpatient care per day, typically 15 minutes	38	19	$80.00	$33.97
99220 Hospital observation care, typically 70 minutes	29	29	$350.00	$178.61
99217 Hospital observation care on day of discharge	15	15	$143.00	$69.95

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WI 47540

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.

Hospital & Practice Group Affiliations

Ascension Medical Group-Southeast Wisconsin Inc

19333 W N Ave, Brookfield, WI 530454132

Phone: 2627804111

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Hind Elhassan , MD

Hospitalist

NPI 1003182890

Doctor of Medicine (M.D.)

Jessica Chesna , APNP

Nurse Practitioner

NPI 1295254019

Advanced Practice Nurse Prescriber

Dr. Peter Martin , MD

Internal Medicine

NPI 1730444282

Doctor of Medicine (M.D.)

Dr. Molly Colque , MD

Hospitalist

NPI 1922203819

Doctor of Medicine (M.D.)

Dr. Elena Morozova , MD

Hospitalist

NPI 1972944650

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active March 20, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location March 20, 2017

Registered at 19333 W NORTH AVE, BROOKFIELD, WI 530454132 (Tel: 2627853010)

📍

Updated Business Mailing Address March 20, 2017

Registered at 19333 W NORTH AVE, BROOKFIELD, WI 530454132 (Tel: 2627853010)

👤

Provider Name / Credentials Updated March 20, 2017

Recorded as CHRISTOPHER LIEB, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 20, 2017

Internal Medicine (License #47540 in WI)

✅

NPI Profile Active February 27, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location February 27, 2008

Registered at 620 S HAYNES AVE, MILES CITY, MT 593014769 (Tel: 4062337000)

📍

Updated Business Mailing Address February 27, 2008

Registered at PO BOX 35100, BILLINGS, MT 591075100 (Tel: 4062382500)

👤

Provider Name / Credentials Updated February 27, 2008

Recorded as CHRISTOPHER LIEB, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 27, 2008

Internal Medicine (License #10826 in MT)

🟢

Initial NPI Registration & Enumeration July 25, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1427071240

Entity Type:

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

Enumeration Date: July 25, 2006

Last Update: March 20, 2017

Sole Proprietor: No

Update or Correct Profile

Mailing Address

19333 W North Ave

Brookfield, WI 530454132

Phone: 2627853010

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.