Active NPI 1124071147 Individual Practitioner Female Practitioner

Dr. Sadaf M Elahi , MD

Internal Medicine - Nephrology • Lagrange, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Sadaf Elahi, MD is a certified Internal Medicine - Nephrology practicing in Lagrange, IL. With approximately 29 years of clinical experience since completing medical education in 1997, Dr. Elahi delivers high-quality medical care to the local community at 5201 S. WILLOW SPRINGS RD..

Dr. Elahi maintains professional affiliations with Nani Elk Grove, Nephrology Associates Of Northern Illinois Ltd and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include 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, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5201 S. Willow Springs Rd.
S-260

Lagrange, IL 60525

Telephone 7083541306

Fax 7083541538

Associated Practice Facility / Clinic

🏢 Willow Springs Surgery Center, Llc Facility NPI 1467429233

Medicare Profile & Education

Medical School

Other

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Nephrology in Lagrange, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs Matches City Avg

City Avg: 29.0 Yrs

State Avg: 26.3 Yrs

Regional Practice Density

1 Specialists

Practicing in Lagrange, IL (598 Statewide)

Telehealth Adoption Rate

100.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

53.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Elahi (29 Years) 29 Yrs

Lagrange Specialty Average (29.0 Years) 29.0 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	480	237	$164.63	$80.77
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	416	225	$32.10	$16.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	416	219	$269.06	$91.74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	396	198	$247.31	$121.03
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	373	69	$131.28	$62.14
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	161	151	$373.76	$176.22
90966 Home dialysis services per month, patient 20 years of age or older	116	15	$616.10	$294.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	108	101	$278.52	$135.42
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	60	23	$739.46	$357.14
99213 Established patient office or other outpatient visit, typically 15 minutes	48	47	$189.55	$88.52
99231 Follow-up hospital inpatient care per day, typically 15 minutes	42	42	$97.57	$51.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	30	$118.92	$44.94
99291 Critical care, first 30-74 minutes	34	30	$555.67	$220.52
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	33	17	$616.11	$296.40
90935 Hemodialysis procedure with physician evaluation	19	14	$152.25	$72.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$351.81	$165.85
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	18	18	$459.64	$230.53
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	16	11	$99.12	$49.36

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	566	280	$149.00	$82.68
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	451	83	$128.10	$56.19
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	286	152	$213.00	$124.33
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	209	148	$270.63	$96.58
99213 Established patient office or other outpatient visit, typically 15 minutes	175	150	$189.62	$76.55
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	157	150	$286.00	$136.63
99231 Follow-up hospital inpatient care per day, typically 15 minutes	142	122	$81.00	$52.65
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	132	53	$648.00	$354.53
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	85	84	$419.00	$181.05
90966 Home dialysis services per month, patient 20 years of age or older	57	13	$540.00	$296.79
99291 Critical care, first 30-74 minutes	57	43	$326.00	$224.82
90935 Hemodialysis procedure with physician evaluation	55	39	$157.00	$74.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$318.09	$175.13
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	26	24	$540.00	$293.27
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	18	$117.26	$45.05
99221 Initial hospital inpatient care per day, typically 30 minutes	17	17	$213.00	$88.53
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$385.18	$149.92
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	11	11	$84.96	$48.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	528	86	$120.45	$66.00
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	458	216	$213.00	$106.66
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	447	222	$149.00	$74.33
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	343	62	$648.00	$376.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	171	118	$292.00	$134.00
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	124	118	$419.00	$207.70
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	108	101	$286.00	$142.53
99443 Telephone medical discussion with physician, 21-30 minutes	85	68	$347.91	$109.92
99213 Established patient office or other outpatient visit, typically 15 minutes	67	60	$206.00	$92.79
90935 Hemodialysis procedure with physician evaluation	64	40	$157.00	$75.14
99356 Prolonged inpatient or observation hospital service, first hour	49	41	$170.00	$92.83
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	48	33	$540.00	$312.85
99291 Critical care, first 30-74 minutes	44	33	$326.00	$232.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$220.00	$178.60
99231 Follow-up hospital inpatient care per day, typically 15 minutes	36	34	$81.00	$41.09
G0408 Follow-up inpatient consultation, complex, physicians typically spend 35 minutes communicating with the patient via telehealth	33	17	$316.00	$107.37
G0407 Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth	31	21	$220.00	$74.63
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	28	19	$75.00	$50.66
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	11	11	$406.00	$192.66
G0426 Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth	11	11	$415.00	$142.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	675	105	$51.78	$43.44
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	536	222	$213.00	$109.06
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	390	205	$149.00	$76.05
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	292	72	$648.00	$381.34
99443 Telephone medical discussion with physician, 21-30 minutes	157	107	$347.91	$135.14
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	151	139	$419.00	$211.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	124	83	$258.66	$137.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	94	88	$286.00	$144.53
99291 Critical care, first 30-74 minutes	66	49	$326.00	$235.92
90935 Hemodialysis procedure with physician evaluation	53	36	$157.00	$76.84
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	53	34	$540.00	$315.41
99356 Prolonged inpatient or observation hospital service, first hour	48	40	$170.00	$96.30
99213 Established patient office or other outpatient visit, typically 15 minutes	38	34	$171.26	$94.47
99231 Follow-up hospital inpatient care per day, typically 15 minutes	36	35	$81.00	$40.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$220.00	$176.42
99442 Telephone medical discussion with physician, 11-20 minutes	17	17	$98.47	$85.72
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$279.00	$239.15

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	615	304	$149.00	$76.99
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	523	82	$648.00	$304.58
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	507	219	$213.00	$110.17
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	350	91	$150.00	$44.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	169	107	$133.00	$113.59
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	151	143	$419.00	$216.43
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	123	111	$286.00	$147.21
99213 Established patient office or other outpatient visit, typically 15 minutes	107	89	$86.00	$76.94
99231 Follow-up hospital inpatient care per day, typically 15 minutes	71	66	$81.00	$42.31
90935 Hemodialysis procedure with physician evaluation	68	51	$157.00	$78.32
99442 Telephone medical discussion with physician, 11-20 minutes	64	62	$84.00	$79.33
99291 Critical care, first 30-74 minutes	60	46	$326.00	$231.22
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	49	40	$540.00	$255.74
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	38	38	$279.00	$222.37
99356 Prolonged inpatient or observation hospital service, first hour	33	28	$170.00	$98.62
99443 Telephone medical discussion with physician, 21-30 minutes	14	14	$123.00	$116.53
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	12	$193.00	$142.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$220.00	$166.64
99441 Telephone medical discussion with physician, 5-10 minutes	12	12	$43.00	$42.94

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	716	354	$149.00	$76.71
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	495	269	$213.00	$109.30
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	471	72	$648.00	$298.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	227	135	$133.00	$112.56
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	144	140	$419.00	$212.55
99213 Established patient office or other outpatient visit, typically 15 minutes	124	93	$86.00	$78.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	121	111	$286.00	$144.36
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	77	48	$540.00	$251.12
90935 Hemodialysis procedure with physician evaluation	75	46	$157.00	$77.14
99231 Follow-up hospital inpatient care per day, typically 15 minutes	70	67	$81.00	$41.82
99291 Critical care, first 30-74 minutes	67	52	$326.00	$237.35
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	31	31	$279.00	$219.27
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	19	18	$193.00	$153.29
99356 Prolonged inpatient or observation hospital service, first hour	11	11	$170.00	$97.17

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	539	297	$149.00	$73.98
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	508	263	$212.87	$106.18
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	471	67	$648.00	$293.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	206	116	$133.00	$109.43
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	190	181	$419.00	$206.93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	101	96	$286.00	$140.59
99213 Established patient office or other outpatient visit, typically 15 minutes	92	71	$86.00	$74.05
99231 Follow-up hospital inpatient care per day, typically 15 minutes	82	76	$81.00	$39.82
90935 Hemodialysis procedure with physician evaluation	60	37	$157.00	$74.30
99291 Critical care, first 30-74 minutes	47	40	$326.00	$229.89
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	40	30	$540.00	$246.59
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	32	32	$279.00	$212.96
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	15	$193.00	$147.94

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	591	286	$149.00	$76.33
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	507	227	$213.00	$110.07
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	354	64	$648.00	$292.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	178	99	$133.00	$111.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	131	125	$419.00	$214.44
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	105	102	$286.00	$146.13
99213 Established patient office or other outpatient visit, typically 15 minutes	100	78	$86.00	$77.04
99231 Follow-up hospital inpatient care per day, typically 15 minutes	72	68	$81.00	$41.88
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	57	40	$540.00	$244.19
90935 Hemodialysis procedure with physician evaluation	53	28	$157.00	$75.78
99291 Critical care, first 30-74 minutes	33	26	$326.00	$239.70
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	25	25	$279.00	$220.37

Medical Specialties & State Licenses

CMS Verified: 2023-01-25

Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

State License IL 036109435

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

Nani Elk Grove

901 Biesterfield Rd, Elk Grove Village, IL 600077324

Phone: 8479529332

Nephrology Associates Of Northern Illinois Ltd

911 N Elm St, Hinsdale, IL 605213640

Phone: 6304959356

Nephrology Associates Of Northern Illinois Ltd

5201 Willow Springs Rd, La Grange Highlands, IL 605252689

Phone: 7083541306

Practice Associates & Co-Workers

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

3 Associated Practitioners

Dr. Ryan Weiss , MD

Internal Medicine - Nephrology

NPI 1295239762

Doctor of Medicine (M.D.)

Dr. Leonard Potempa , MD

Internal Medicine - Nephrology

NPI 1710984646

Doctor of Medicine (M.D.)

Dr. May Chow , MD

Internal Medicine - Nephrology

NPI 1770580870

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Business Mailing Address January 25, 2023

Registered at 120 W 22ND ST STE 200, OAK BROOK, IL 605231563 (Tel: 6305735000)

📍

Updated Practice Location October 01, 2018

Registered at 5201 S. WILLOW SPRINGS RD., S-260, LAGRANGE, IL 60525 (Tel: 7083541306)

📍

Updated Business Mailing Address October 01, 2018

Registered at 120 W. 22ND ST., NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, OAK BROOK, IL 60523 (Tel: 6309745240)

✅

NPI Profile Active July 24, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location July 24, 2013

Registered at 855 MADISON ST, NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, OAK PARK, IL 603024420 (Tel: 7084924077)

📍

Updated Business Mailing Address July 24, 2013

Registered at 855 MADISON ST, NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, OAK PARK, IL 603024420 (Tel: 7084924077)

👤

Provider Name / Credentials Updated July 24, 2013

Recorded as SADAF ELAHI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 24, 2013

Internal Medicine (License #036109435 in IL)

🟢

Initial NPI Registration & Enumeration May 19, 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: 1124071147

Entity Type:

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

Enumeration Date: May 19, 2006

Last Update: January 25, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

120 W 22nd St Ste 200

Oak Brook, IL 605231563

Phone: 6305735000

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.