Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Dr. Aamir A Memon , MD

Internal Medicine - Nephrology • Elgin, IL

Active NPI 1013074442 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

1710 N Randall Rd Ste 330
Elgin, IL 601239405

Call 8475315911 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

1710 N Randall Rd Ste 330

Elgin, IL 601239405

Telephone 8475315911
Fax 8475315922
Organization at the Same NPPES Address or Phone

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Nephrology Associates Of Northern Illinois Ltd. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

1999

Medicare patients

955 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.

Medicare-allowed amount

About $482,435 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

Paid by Medicare

About $371,309 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

30-day fills

6,462 standardized 30-day fills in 2024

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$447,250 in 2024

The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.

Open Payments general payments, program year 2025

All general payments: $1,947.94 across 58 records.

By nature of payment

  • Food and Beverage: $1,770.08 across 50 records.
  • Education: $177.86 across 8 records.

Reporting-company totals (3 largest of 20)

  • Veloxis Pharmaceuticals, Inc.: $441.57 across 1 record.
  • Otsuka America Pharmaceutical, Inc.: $219.15 across 9 records.
  • OPKO Pharmaceuticals, LLC: $177.86 across 8 records.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

27 years (graduated 1999)

CMS Doctors and Clinicians data list 1999 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2007

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Memon has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Memon as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Elgin and Illinois

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 90% of clinicians listed under Internal Medicine - Nephrology in Illinois (2024, 421 clinicians with data). Median for this group: 1,458. Middle half: 670 to 2,447.

Too few clinicians listed under Internal Medicine - Nephrology in Elgin have Medicare Part B data for 2024 to compare.

Medicare-allowed amount

A higher Medicare-allowed amount than 95% of clinicians listed under Internal Medicine - Nephrology in Illinois (2024, 421 clinicians with data). Median for this group: $180,808. Middle half: $72,982 to $273,354.

Too few clinicians listed under Internal Medicine - Nephrology in Elgin have Medicare Part B data for 2024 to compare.

Paid by Medicare

A higher Medicare payment amount than 95% of clinicians listed under Internal Medicine - Nephrology in Illinois (2024, 421 clinicians with data). Median for this group: $139,769. Middle half: $57,744 to $208,126.

Too few clinicians listed under Internal Medicine - Nephrology in Elgin have Medicare Part B data for 2024 to compare.

Medicare Part D prescriptions

More Part D prescriptions than 90% of clinicians listed under Internal Medicine - Nephrology in Illinois (2024, 433 clinicians with data). Median for this group: 642. Middle half: 251 to 1,390.

Too few clinicians listed under Internal Medicine - Nephrology in Elgin have Medicare Part D data for 2024 to compare.

Part D drug cost

A higher Part D drug cost than 90% of clinicians listed under Internal Medicine - Nephrology in Illinois (2024, 433 clinicians with data). Median for this group: $95,131. Middle half: $28,068 to $215,537.

Too few clinicians listed under Internal Medicine - Nephrology in Elgin have Medicare Part D data for 2024 to compare.

7 active clinicians are listed under Internal Medicine - Nephrology with a practice address in Elgin, IL (573 in Illinois).

Addresses are self-reported to NPPES and may be out of date.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments · Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 – December 31, 2025): 58 records totaling $1,947.94.

Manufacturer Payment Nature Product Type Amount ($)
Veloxis Pharmaceuticals, Inc.
Food and Beverage
Cash or cash equivalent
ENVARSUS General $441.57
ANI Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
PURIFIED CORTROPHIN GEL General $115.46
Otsuka America Pharmaceutical, Inc.
Food and Beverage
In-kind items and services
— General $112.32
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
THYMOGLOBULIN General $110.93
Calliditas Therapeutics US Inc.
Food and Beverage
In-kind items and services
TARPEYO General $37.61
Mallinckrodt Hospital Products Inc.
Food and Beverage
In-kind items and services
ACTHAR General $31.32
Otsuka Pharmaceutical Development & Commercialization, Inc.
Food and Beverage
In-kind items and services
VOYXACT General $30.86
Amgen Inc.
Food and Beverage
In-kind items and services
KRYSTEXXA General $30.49
Otsuka America Pharmaceutical, Inc.
Food and Beverage
In-kind items and services
VOYXACT General $30.13
AKEBIA THERAPEUTICS INC
Food and Beverage
In-kind items and services
Vafseo General $29.71
Mallinckrodt Hospital Products Inc.
Food and Beverage
In-kind items and services
ACTHAR General $29.29
Novartis Pharmaceuticals Corporation
Food and Beverage
In-kind items and services
Fabhalta General $28.89
Amgen Inc.
Food and Beverage
In-kind items and services
KRYSTEXXA General $28.61
Novartis Pharmaceuticals Corporation
Food and Beverage
In-kind items and services
Fabhalta General $27.41
Mallinckrodt Hospital Products Inc.
Food and Beverage
In-kind items and services
ACTHAR General $27.17
AKEBIA THERAPEUTICS INC
Food and Beverage
In-kind items and services
Vafseo General $26.86
Mallinckrodt Hospital Products Inc.
Food and Beverage
In-kind items and services
ACTHAR General $26.56
Calliditas Therapeutics US Inc.
Food and Beverage
In-kind items and services
TARPEYO General $26.46
Otsuka Pharmaceutical Development & Commercialization, Inc.
Food and Beverage
In-kind items and services
— General $25.89
OPKO Pharmaceuticals, LLC
Education
In-kind items and services
RAYALDEE General $25.24
AKEBIA THERAPEUTICS INC
Food and Beverage
In-kind items and services
Vafseo General $25.21
Takeda Pharmaceuticals U.S.A., Inc.
Food and Beverage
In-kind items and services
LIVTENCITY General $25.19
Fresenius USA Marketing, Inc.
Food and Beverage
In-kind items and services
VELPHORO General $24.99
Fresenius USA Marketing, Inc.
Food and Beverage
In-kind items and services
VELPHORO General $24.87
OPKO Pharmaceuticals, LLC
Education
In-kind items and services
RAYALDEE General $24.78

(top 25 shown)

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B · Data Year 2024
Reporting Year:

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
1,004 405 $248.47 $116.08
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
720 306 $32.10 $16.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
655 295 $269.02 $125.80
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month
465 67 $131.28 $64.02
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
341 194 $165.94 $77.66
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
242 225 $370.88 $169.47
90960 Dialysis services, 4 or more physician visits per month (20 years or older)
212 66 $739.99 $351.01
90966 Home dialysis services per month (20 years or older)
93 29 $617.04 $293.26
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
73 52 $376.71 $176.88
99291 Critical care, first 30-74 minutes
67 36 $562.55 $211.47
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
60 60 $279.13 $128.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
59 59 $351.60 $164.66
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
36 33 $190.53 $88.91
90935 Hemodialysis procedure with physician evaluation
33 29 $151.36 $67.15
90961 Dialysis services, 2-3 physician visits per month (20 years or older)
31 22 $617.94 $294.43
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more
25 25 $383.56 $184.82
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes
24 22 $224.82 $106.05
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes
23 20 $323.75 $154.72
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
21 21 $99.12 $48.82
99443 Telephone medical discussion with physician, 21-30 minutes
17 14 $266.78 $121.69

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2024.

CMS Part D · Data Year 2024
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Losartan Potassium Losartan Potassium 330 20,687 $2,807.43 118
Calcitriol Calcitriol 224 15,800 $3,423.43 66
Torsemide Torsemide 221 12,118 $3,227.06 65
Amlodipine Besylate Amlodipine Besylate 199 14,982 $1,394.21 86
Furosemide Furosemide 189 11,470 $1,194.24 71
Carvedilol Carvedilol 148 8,619 $1,424.47 48
Spironolactone Spironolactone 148 8,721 $1,252.59 61
Allopurinol Allopurinol 139 10,315 $1,314.27 47
Lisinopril Lisinopril 128 8,684 $997.60 38
Metoprolol Succinate Metoprolol Succinate 123 7,660 $1,572.16 34
Hydralazine Hcl Hydralazine Hcl 122 6,884 $1,963.61 42
Bumetanide Bumetanide 120 6,411 $5,541.26 49
Potassium Chloride Potassium Chloride 96 3,210 $2,854.37 27
Farxiga Dapagliflozin Propanediol 78 3,527 $65,300.74 26
Jardiance Empagliflozin 74 3,120 $59,355.47 19
Nifedipine Er Nifedipine 72 4,817 $2,595.71 31
Prednisone Prednisone 69 3,429 $536.40 23
Sevelamer Carbonate Sevelamer Carbonate 63 2,626 $15,758.05 20
Calcium Acetate Calcium Acetate 49 2,467 $2,436.65 17
Chlorthalidone Chlorthalidone 43 2,370 $552.48 17
Enalapril Maleate Enalapril Maleate 43 3,340 $915.22 17
Olmesartan Medoxomil Olmesartan Medoxomil 43 2,783 $1,342.28 —
Lokelma Sodium Zirconium Cyclosilicate 39 1,495 $27,166.32 17
Tamsulosin Hcl Tamsulosin Hcl 32 2,570 $454.27 18
Metolazone Metolazone 32 1,961 $860.21 16

(top 25 shown)

Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2020-11-05
Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

License # reported to NPPES IL 036123846

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

License # reported to NPPES MI 4301079765

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.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Illinois Department of Financial and Professional Regulation.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - INTERNAL MEDICINE

Medicare Enrollment ID

I20090917000045

Enrollment State Jurisdiction

IL

PECOS Control ID

9133147143

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Nephrology Associates Of Northern Illinois Ltd

1345 Ryan Pkwy, Algonquin, IL 601024530

Phone: 8475315911

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

5 listed
Dr. Ravi Damaraju , MD

Internal Medicine - Nephrology

NPI 1669586475

Doctor of Medicine (M.D.)

Dr. Mandeep Gill , MD

Internal Medicine - Nephrology

NPI 1215912126

Doctor of Medicine (M.D.)

Lindsey Keller , APRN, FNP-BC

Nurse Practitioner - Family

NPI 1871968305

Advanced Practice Registered Nurse, Family Nurse Practitioner (Board Certified)

Dr. Abhishek Pulla , MD

Internal Medicine - Nephrology

NPI 1790179141

Doctor of Medicine (M.D.)

Dr. Aarthi Vijaykumar , MD

Internal Medicine - Nephrology

NPI 1821215856

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

10 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 05, 2020

Internal Medicine (license number reported to NPPES: MI 4301079765)

📍
Updated Practice Location August 13, 2019

Registered at 1710 N RANDALL RD STE 330, ELGIN, IL 601239405 (Tel: 8475315911)

📍
Updated Business Mailing Address August 13, 2019

Registered at 120 W 22ND ST, OAK BROOK, IL 605231557 (Tel: 6305735000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 13, 2019

Internal Medicine (license number reported to NPPES: IL 036123846)

âś…
NPI Profile Active November 02, 2011

NPI status registered as active in NPPES database

📍
Practice Location (Initial Record) November 02, 2011

Registered at 296 W. SPRING STREET, SOUTH ELGIN, IL 601771534 (Tel: 8476972692)

📍
Business Mailing Address (Initial Record) November 02, 2011

Registered at 296 W. SPRING STREET, SOUTH ELGIN, IL 601771534 (Tel: 8476972692)

👤
Provider Name / Credentials (Initial Record) November 02, 2011

Recorded as AAMIR MEMON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 02, 2011

Internal Medicine (license number reported to NPPES: MI 4301079765)

🟢
Initial NPI Registration & Enumeration January 03, 2007

First registered as active Individual Practitioner in NPPES Database.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1013074442
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 03, 2007
Last Update: November 05, 2020
Sole Proprietor: No

Other Internal Medicine - Nephrology Specialists in Elgin

Healthcare providers in Elgin

More public profiles in Illinois

Directory navigation, in NPI number order.

Mailing Address

120 W 22nd St

Oak Brook, IL 605231557

Phone: 6305735000

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.