Active NPI 1114947124 Individual Practitioner Male Practitioner

Dr. Stuart M Sprague , DO

Internal Medicine - Nephrology • Evanston, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Stuart Sprague, DO is a certified Internal Medicine - Nephrology practicing in Evanston, IL. With approximately 44 years of clinical experience since graduating from Michigan State University College Of Osteopathic Medicine in 1982, Dr. Sprague delivers high-quality medical care to the local community at 1000 CENTRAL ST STE 800.

Dr. Sprague is affiliated with Endeavor Health Medical Group and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1000 Central St Ste 800

Evanston, IL 602011780

Telephone 8475702512

Fax 8475701696

Medicare Profile & Education

Medical School

Michigan State University College Of Osteopathic Medicine

Graduation Year

1982

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Nephrology in Evanston, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

44 Yrs +14.2 yrs vs City Avg

City Avg: 29.8 Yrs

State Avg: 26.3 Yrs

Regional Practice Density

10 Specialists

Practicing in Evanston, IL (598 Statewide)

Telehealth Adoption Rate

50.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

53.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sprague (44 Years) 44 Yrs

Evanston Specialty Average (29.8 Years) 29.8 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
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	367	327	$269.68	$152.05
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	132	70	$160.00	$83.11
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	93	51	$229.00	$124.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	89	89	$155.81	$102.41
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	82	75	$35.00	$17.06
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	79	16	$820.00	$368.60
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	61	61	$361.00	$193.08
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	53	52	$428.00	$182.02
99231 Follow-up hospital inpatient care per day, typically 15 minutes	47	38	$93.00	$52.56
90966 Home dialysis services per month, patient 20 years of age or older	44	14	$680.00	$305.81
90935 Hemodialysis procedure with physician evaluation	37	21	$275.00	$73.66
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	34	12	$680.00	$307.00
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$293.00	$138.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	399	338	$270.88	$151.84
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	93	50	$160.00	$84.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	93	92	$165.10	$102.95
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	79	45	$229.00	$127.02
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	75	75	$361.00	$194.42
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	68	12	$820.00	$372.73
99231 Follow-up hospital inpatient care per day, typically 15 minutes	63	45	$93.00	$53.87
90966 Home dialysis services per month, patient 20 years of age or older	62	25	$680.00	$319.46
90935 Hemodialysis procedure with physician evaluation	35	23	$275.00	$75.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$428.00	$184.94
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	21	11	$680.00	$317.04
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$293.00	$139.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	331	277	$209.51	$156.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	97	$135.17	$104.15
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	76	11	$939.21	$386.22
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	71	71	$324.49	$199.39
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	50	33	$160.00	$75.98
99231 Follow-up hospital inpatient care per day, typically 15 minutes	49	35	$93.00	$41.83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	44	26	$229.00	$109.15
90935 Hemodialysis procedure with physician evaluation	27	19	$585.22	$77.54
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	27	$441.33	$211.75
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	15	11	$756.80	$321.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	265	209	$177.68	$158.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	120	117	$128.95	$107.10
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	109	55	$160.00	$77.24
99231 Follow-up hospital inpatient care per day, typically 15 minutes	85	51	$93.00	$41.12
90966 Home dialysis services per month, patient 20 years of age or older	73	11	$808.00	$329.31
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	69	69	$315.07	$199.29
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	64	40	$229.00	$110.88
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	53	14	$971.00	$387.38
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	49	49	$175.00	$159.10
90935 Hemodialysis procedure with physician evaluation	46	27	$624.00	$78.31
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	38	$446.00	$215.21
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	34	14	$808.00	$320.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	22	$123.00	$108.01
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	12	$304.00	$146.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	277	225	$186.19	$121.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	126	123	$143.78	$85.68
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	100	59	$160.00	$77.95
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	81	81	$312.38	$185.86
99231 Follow-up hospital inpatient care per day, typically 15 minutes	71	51	$93.00	$43.01
90935 Hemodialysis procedure with physician evaluation	64	45	$624.00	$80.01
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	49	33	$229.00	$113.37
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	36	12	$808.00	$259.74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	24	$446.00	$221.10
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$107.58	$56.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	5,940	70	$43.52	$18.50
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	210	166	$175.04	$118.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	194	189	$124.21	$84.01
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	98	69	$81.00	$17.63
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	91	18	$971.00	$302.69
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	87	87	$312.00	$182.18
99231 Follow-up hospital inpatient care per day, typically 15 minutes	61	38	$93.00	$42.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	45	34	$160.00	$78.06
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	39	25	$229.00	$111.46
90935 Hemodialysis procedure with physician evaluation	33	18	$624.00	$78.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	23	$446.00	$217.10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$302.00	$147.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	3,960	53	$42.00	$17.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	240	157	$174.00	$117.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	179	168	$123.00	$83.25
36514 Mechanical separation of plasma from blood	143	11	$1427.00	$105.95
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	109	69	$159.08	$77.33
90966 Home dialysis services per month, patient 20 years of age or older	98	16	$808.00	$249.81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	90	44	$229.00	$109.61
99231 Follow-up hospital inpatient care per day, typically 15 minutes	83	55	$93.00	$41.86
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	83	83	$312.00	$181.71
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	69	14	$971.00	$297.77
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	66	53	$81.00	$21.40
90935 Hemodialysis procedure with physician evaluation	59	31	$624.00	$76.93
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	34	$446.00	$215.84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	11	$302.00	$145.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	840	13	$41.36	$16.93
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	286	190	$172.50	$117.64
90966 Home dialysis services per month, patient 20 years of age or older	127	17	$808.00	$249.44
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	122	21	$971.00	$298.21
99231 Follow-up hospital inpatient care per day, typically 15 minutes	119	68	$93.00	$41.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	113	107	$122.87	$83.35
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	110	64	$157.32	$76.43
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	99	40	$228.36	$110.86
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	84	84	$312.00	$182.08
90935 Hemodialysis procedure with physician evaluation	69	27	$624.00	$76.02
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	47	43	$445.32	$215.95
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	22	13	$808.00	$250.51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	17	$302.00	$146.32
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	16	15	$79.75	$26.53

Medical Specialties & State Licenses

CMS Verified: 2021-04-01

Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

State License IL 036066785

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Hospital & Practice Group Affiliations

Endeavor Health Medical Group

1000 Central St, Evanston, IL 602011780

Endeavor Health Medical Group

2150 Pfingsten Rd, Glenview, IL 600261314

Phone: 6476338504

Endeavor Health Medical Group

2650 Ridge Ave, Evanston, IL 602011700

Endeavor Health Medical Group

2953 Central St, Evanston, IL 602011245

Phone: 8475702512

Endeavor Health Medical Group

2953 Central St, Evanston, IL 602011245

Phone: 8664342597

Endeavor Health Medical Group

2601 Compass Rd, Glenview, IL 600268077

Phone: 8479015263

Secondary Practice Locations

2650 Ridge Ave, Division Of Nephrology Rm 3213

Evanston, IL 602011718

Phone: 8475702512

Practice Associates & Co-Workers

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

12 Associated Practitioners

Dr. Nevin Murthy , MD

Internal Medicine - Nephrology

NPI 1093100240

Doctor of Medicine (M.D.)

Dr. Liliana Osadchuk , MD

Internal Medicine - Nephrology

NPI 1255643987

Doctor of Medicine (M.D.)

Dr. Norman Simon , MD

Internal Medicine - Nephrology

NPI 1326068339

Doctor of Medicine (M.D.)

Dr. Kevin Nash , MD

Internal Medicine - Nephrology

NPI 1518988260

Doctor of Medicine (M.D.)

Rowena Oliva , NP

Nurse Practitioner

NPI 1528124864

Nurse Practitioner

Dr. Ryan Cullen , MD

Internal Medicine - Nephrology

NPI 1538782636

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 April 01, 2021

Registered at 1000 CENTRAL ST STE 800, EVANSTON, IL 602011780 (Tel: 8475702512)

📍

Updated Business Mailing Address April 01, 2021

Registered at 1000 CENTRAL ST STE 800, EVANSTON, IL 602011780 (Tel: 8475702512)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 2650 RIDGE AVE, DIVISION OF NEPHROLOGY RM 3213, EVANSTON, IL 602011718 (Tel: 8475702512)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2650 RIDGE AVE, EVANSTON HOSPITAL, EVANSTON, IL 602011718 (Tel: 8475701206)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as STUART SPRAGUE, DO

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #036066785 in IL)

🟢

Initial NPI Registration & Enumeration July 20, 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: 1114947124

Entity Type:

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

Enumeration Date: July 20, 2006

Last Update: April 01, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1000 Central St Ste 800

Evanston, IL 602011780

Phone: 8475702512

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.