Active NPI 1326094194 Individual Practitioner Male Practitioner

Dr. Tom Klein , MD

Internal Medicine • Riverwoods, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Tom Klein, MD is a certified Internal Medicine practicing in Riverwoods, IL. With approximately 50 years of clinical experience since completing medical education in 1976, Dr. Klein delivers high-quality medical care to the local community at 1105 MILWAUKEE AVE.

Dr. Klein is affiliated with Tamid Medical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include principal care management services for a single high-risk disease, first, residence visit for established patient with moderate level of medical decision making, per day, if using time, at least, subsequent nursing facility care with moderate level of medical decision making, per day, 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

1105 Milwaukee Ave

Riverwoods, IL 600153512

Telephone 8473255110

Fax 8473255114

Associated Practice Facility / Clinic

🏢 Tamid Medical Group Facility NPI 1689744245

Medicare Profile & Education

Medical School

Other

Graduation Year

1976

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Riverwoods, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

50 Yrs +9.3 yrs vs City Avg

City Avg: 40.7 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

5 Specialists

Practicing in Riverwoods, IL (7544 Statewide)

Telehealth Adoption Rate

40.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

37.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Klein (50 Years) 50 Yrs

Riverwoods Specialty Average (40.7 Years) 40.7 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
99424 Principal care management services for a single high-risk disease, first 30 minutes provided personally by qualified health care professional, per calendar month.	1,660	257	$120.00	$70.78
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	271	139	$200.55	$121.13
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	174	72	$135.00	$103.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	131	35	$150.00	$124.13
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	113	35	$140.00	$113.56
99424 Principal care management services for a single high-risk disease, first 30 minutes provided personally by qualified health care professional, per calendar month.	60	18	$120.00	$78.94
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	52	33	$150.00	$40.18
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	48	46	$150.00	$51.27
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	43	30	$96.00	$75.41
99496 Transitional care management services for problem of high complexity	38	37	$350.00	$181.14
99315 Nursing facility discharge day management, 30 minutes or less	36	36	$140.00	$78.14
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	26	26	$170.00	$128.02
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow	23	18	$150.00	$99.77
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	16	$65.00	$55.74
99442 Telephone medical discussion with physician, 11-20 minutes	19	19	$75.00	$63.52
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	16	$176.00	$126.05
99422 Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes	17	17	$60.00	$28.57
99239 Hospital discharge day management, more than 30 minutes	16	13	$160.00	$108.92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	16	16	$150.00	$119.91
99497 Advance care planning, first 30 minutes	12	12	$200.00	$71.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99424 Principal care management services for a single high-risk disease, first 30 minutes provided personally by qualified health care professional, per calendar month.	1,060	159	$120.00	$76.02
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	223	100	$200.00	$132.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	162	36	$150.00	$132.79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	103	30	$140.00	$124.74
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow	85	32	$150.00	$107.44
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	67	32	$50.00	$49.24
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	47	29	$150.00	$43.21
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	46	28	$96.00	$83.00
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	45	42	$150.00	$54.10
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	44	26	$135.00	$110.69
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	27	$63.90	$59.17
99239 Hospital discharge day management, more than 30 minutes	26	23	$160.00	$120.15
99342 Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes	24	24	$225.00	$79.83
99496 Transitional care management services for problem of high complexity	17	17	$350.00	$197.89
99424 Principal care management services for a single high-risk disease, first 30 minutes provided personally by qualified health care professional, per calendar month.	17	11	$120.00	$84.18
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$176.00	$137.36
99422 Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes	13	13	$60.00	$30.54
99442 Telephone medical discussion with physician, 11-20 minutes	13	11	$75.00	$73.96
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	11	11	$170.00	$139.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99358 Prolonged patient service without direct patient contact first hour	873	216	$200.00	$115.03
99336 Established patient assisted living visit, typically 40 minutes	673	123	$210.02	$139.07
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	259	66	$129.90	$94.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	176	48	$150.00	$134.76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	165	54	$140.00	$107.52
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	104	28	$50.00	$49.20
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	61	40	$96.00	$75.01
99291 Critical care, first 30-74 minutes	54	14	$295.00	$232.78
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	42	42	$170.00	$134.16
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	42	28	$150.00	$43.40
99424 Principal care management services for a single high-risk disease, first 30 minutes provided personally by qualified health care professional, per calendar month.	37	11	$120.00	$77.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	37	24	$60.00	$59.51
99326 New patient assisted living visit, typically 45 minutes	35	35	$225.00	$140.65
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	33	31	$176.00	$142.98
99239 Hospital discharge day management, more than 30 minutes	31	28	$160.00	$109.95
99358 Prolonged patient service without direct patient contact first hour	26	18	$200.00	$114.82
99315 Nursing facility discharge day management, 30 minutes or less	26	25	$140.00	$75.61
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	25	25	$150.00	$55.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99358 Prolonged patient service without direct patient contact first hour	798	156	$200.00	$117.23
99336 Established patient assisted living visit, typically 40 minutes	520	110	$210.06	$141.46
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	257	70	$140.00	$109.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	151	39	$147.35	$137.12
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	126	37	$120.00	$96.02
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	97	53	$96.00	$76.33
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	51	47	$176.00	$145.13
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	51	30	$150.00	$43.85
99291 Critical care, first 30-74 minutes	46	13	$295.00	$237.24
99326 New patient assisted living visit, typically 45 minutes	41	41	$225.00	$144.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	23	$60.00	$59.81
99239 Hospital discharge day management, more than 30 minutes	29	28	$160.00	$112.67
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	25	25	$150.00	$56.16
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	13	13	$170.00	$136.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99358 Prolonged patient service without direct patient contact first hour	348	151	$200.00	$111.89
99336 Established patient assisted living visit, typically 40 minutes	321	88	$210.05	$137.36
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	241	87	$140.00	$106.90
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	143	113	$120.00	$90.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	131	38	$134.00	$110.56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	95	59	$96.00	$74.15
99326 New patient assisted living visit, typically 45 minutes	62	62	$225.00	$140.90
G0008 Administration of influenza virus vaccine	53	52	$50.00	$17.67
99291 Critical care, first 30-74 minutes	43	16	$295.00	$230.89
99358 Prolonged patient service without direct patient contact first hour	40	35	$200.00	$114.18
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	37	22	$60.00	$47.15
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	37	17	$150.00	$41.83
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	35	29	$105.00	$67.57
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	32	32	$150.00	$54.64
99239 Hospital discharge day management, more than 30 minutes	23	23	$160.00	$109.38
99315 Nursing facility discharge day management, 30 minutes or less	17	17	$140.00	$73.98
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	13	$176.00	$143.69
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	12	12	$170.00	$123.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	457	187	$105.00	$70.79
99336 Established patient assisted living visit, typically 40 minutes	302	59	$210.00	$138.12
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	289	98	$140.00	$106.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	183	51	$134.00	$111.13
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	169	114	$120.00	$93.54
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	112	75	$96.00	$74.59
99358 Prolonged patient service without direct patient contact first hour	84	73	$200.00	$112.58
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	75	74	$170.00	$128.56
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	61	53	$176.00	$141.45
99291 Critical care, first 30-74 minutes	49	17	$295.00	$231.04
99239 Hospital discharge day management, more than 30 minutes	48	47	$160.00	$109.24
99315 Nursing facility discharge day management, 30 minutes or less	48	48	$140.00	$74.08
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	38	23	$150.00	$41.78
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	36	36	$150.00	$54.23
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	20	$60.00	$46.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	1,124	198	$105.00	$69.09
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	468	117	$140.00	$104.35
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	310	140	$120.00	$91.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	217	112	$96.00	$72.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	212	64	$134.00	$106.68
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	135	35	$50.00	$32.09
99239 Hospital discharge day management, more than 30 minutes	108	90	$160.00	$107.29
99336 Established patient assisted living visit, typically 40 minutes	106	31	$210.00	$134.37
99291 Critical care, first 30-74 minutes	97	30	$295.00	$225.03
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	88	71	$176.00	$137.79
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	45	43	$170.00	$130.07
99315 Nursing facility discharge day management, 30 minutes or less	42	41	$140.00	$72.37
99318 Nursing facility annual assessment, typically 30 minutes	34	34	$125.00	$95.75
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	14	14	$150.00	$53.34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	12	$188.00	$183.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	2,626	629	$105.00	$70.17
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	618	144	$140.00	$106.92
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	383	147	$50.00	$32.72
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	357	138	$120.00	$92.75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	266	137	$96.00	$73.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	242	77	$134.00	$108.73
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	130	126	$170.00	$132.51
99239 Hospital discharge day management, more than 30 minutes	122	100	$160.00	$109.56
99291 Critical care, first 30-74 minutes	116	43	$295.00	$231.80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	107	92	$176.00	$141.33
99315 Nursing facility discharge day management, 30 minutes or less	53	53	$140.00	$74.49
99336 Established patient assisted living visit, typically 40 minutes	52	14	$210.00	$137.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	23	$188.00	$182.38
99318 Nursing facility annual assessment, typically 30 minutes	16	16	$125.00	$98.22

Medical Specialties & State Licenses

CMS Verified: 2024-12-03

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036065537

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License WI 4193020

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036065537 (IL)

Commercial Insurance / Payer ID Wisconsin Lisc#

4193020 (WI)

Hospital & Practice Group Affiliations

Tamid Medical Group

1105 Milwaukee Ave, Riverwoods, IL 600153512

Phone: 8473255110

Secondary Practice Locations

3825 N Central Ave

Chicago, IL 606342719

Phone: 8473255110

N2460 Geneva Street

Lake Geneva, WI 53147

Phone: 8473255110

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Mamdouh Hassaballa , MD

General Practice

NPI 1003815069

Doctor of Medicine (M.D.)

Sohail Dharani , APN

Nurse Practitioner

NPI 1053950410

Advanced Practice Nurse

Dr. Jerry Sanders , MD

Family Medicine

NPI 1083626899

Doctor of Medicine (M.D.)

Dr. Myrlie Casco , MD

Family Medicine

NPI 1093768004

Doctor of Medicine (M.D.)

Dr. Vishnu Madireddy , MD

Internal Medicine

NPI 1811063761

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 03, 2024

Internal Medicine (License #4193020 in WI)

👤

Provider Name / Credentials Updated December 01, 2023

Recorded as TOM KLEIN, MD

✅

NPI Profile Active November 09, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location November 09, 2016

Registered at 1105 MILWAUKEE AVE, RIVERWOODS, IL 600153512 (Tel: 8473255110)

📍

Updated Business Mailing Address November 09, 2016

Registered at 1105 MILWAUKEE AVE, RIVERWOODS, IL 600153512 (Tel: 8473255110)

👤

Provider Name / Credentials Updated November 09, 2016

Recorded as TOM KLEIN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 09, 2016

Internal Medicine (License #036065537 in IL)

🟢

Initial NPI Registration & Enumeration May 25, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1326094194

Entity Type:

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

Enumeration Date: May 25, 2006

Last Update: December 03, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1105 Milwaukee Ave

Riverwoods, IL 600153512

Phone: 8473255110

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.