Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Andres Castillo

Nurse Practitioner • Hoffman Estates, IL

Active NPI 1013679299 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

2359 Hassell Rd
Hoffman Estates, IL 601692102

Call 6307172600 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

2359 Hassell Rd

Hoffman Estates, IL 601692102

Telephone 6307172600
Organization at the Same NPPES Address or Phone
Dupage Medical Group, Ltd. Facility NPI 1770721151

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: Northwestern Medical Faculty Foundation. 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

2021

Medicare patients

54 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 $6,195 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 $4,504 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

21 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

$71 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: $2,756.47 across 17 records.

By nature of payment

  • Food and Beverage: $1,501.82 across 14 records.
  • Consulting Fee: $1,245.00 across 2 records.
  • Education: $9.65 across 1 record.

Reporting-company totals (3 largest of 7)

  • Mallinckrodt Hospital Products Inc.: $1,030.26 across 4 records.
  • Salix Pharmaceuticals, a division of Bausch Health US, LLC: $907.95 across 4 records.
  • Madrigal Pharmaceuticals: $288.31 across 2 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

5 years (graduated 2021)

CMS Doctors and Clinicians data list 2021 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

2021

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)

Andres Castillo 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 Andres Castillo 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 Hoffman Estates and Illinois

Billing and prescribing volume is not a quality rating.

Medicare Part B services

Fewer Medicare Part B services than 70% of clinicians listed under Nurse Practitioner in Hoffman Estates, IL (2024, 12 clinicians with data). Median for this group: 227. Middle half: 96 to 1,100.

Fewer Medicare Part B services than 75% of clinicians listed under Nurse Practitioner in Illinois (2024, 2,561 clinicians with data). Median for this group: 261. Middle half: 101 to 526.

Medicare-allowed amount

A lower Medicare-allowed amount than 80% of clinicians listed under Nurse Practitioner in Hoffman Estates, IL (2024, 12 clinicians with data). Median for this group: $18,340. Middle half: $7,160 to $61,416.

A lower Medicare-allowed amount than 80% of clinicians listed under Nurse Practitioner in Illinois (2024, 2,561 clinicians with data). Median for this group: $21,010. Middle half: $8,652 to $42,014.

Paid by Medicare

A lower Medicare payment amount than 80% of clinicians listed under Nurse Practitioner in Hoffman Estates, IL (2024, 12 clinicians with data). Median for this group: $11,986. Middle half: $5,463 to $47,834.

A lower Medicare payment amount than 80% of clinicians listed under Nurse Practitioner in Illinois (2024, 2,561 clinicians with data). Median for this group: $15,151. Middle half: $6,396 to $31,322.

Medicare Part D prescriptions

Fewer Part D prescriptions than 95% of clinicians listed under Nurse Practitioner in Illinois (2024, 2,572 clinicians with data). Median for this group: 259. Middle half: 80 to 930.

Too few clinicians listed under Nurse Practitioner in Hoffman Estates have Medicare Part D data for 2024 to compare.

Part D drug cost

A lower Part D drug cost than 95% of clinicians listed under Nurse Practitioner in Illinois (2024, 2,572 clinicians with data). Median for this group: $10,867. Middle half: $976 to $113,945.

Too few clinicians listed under Nurse Practitioner in Hoffman Estates have Medicare Part D data for 2024 to compare.

17 active clinicians are listed under Nurse Practitioner with a practice address in Hoffman Estates, IL (4,894 in Illinois).

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

Telehealth indicator in Hoffman Estates

17.6% of these 17 clinicians have the CMS telehealth indicator.

70.6% of these 17 clinicians are listed by CMS as accepting Medicare assignment.

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): 17 records totaling $2,756.47.

Manufacturer Payment Nature Product Type Amount ($)
Mallinckrodt Hospital Products Inc.
Consulting Fee
Cash or cash equivalent
TERLIVAZ General $720.00
Salix Pharmaceuticals, a division of Bausch Health US, LLC
Consulting Fee
Cash or cash equivalent
XIFAXAN General $525.00
Salix Pharmaceuticals, a division of Bausch Health US, LLC
Food and Beverage
In-kind items and services
XIFAXAN General $149.35
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $147.77
Mallinckrodt Hospital Products Inc.
Food and Beverage
In-kind items and services
TERLIVAZ General $144.51
Mirum Pharmaceuticals, Inc.
Food and Beverage
Cash or cash equivalent
Livmarli General $142.19
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $140.54
ABBVIE INC.
Food and Beverage
In-kind items and services
MAVYRET General $120.33
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Wegovy General $119.21
Salix Pharmaceuticals, a division of Bausch Health US, LLC
Food and Beverage
In-kind items and services
XIFAXAN General $118.06
Salix Pharmaceuticals, a division of Bausch Health US, LLC
Food and Beverage
In-kind items and services
XIFAXAN General $115.54
Mallinckrodt Hospital Products Inc.
Food and Beverage
In-kind items and services
TERLIVAZ General $107.68
ABBVIE INC.
Food and Beverage
In-kind items and services
MAVYRET General $70.25
Gilead Sciences, Inc.
Food and Beverage
In-kind items and services
— General $62.25
Mallinckrodt Hospital Products Inc.
Food and Beverage
In-kind items and services
TERLIVAZ General $58.07
ABBVIE INC.
Education
In-kind items and services
MAVYRET General $9.65
ABBVIE INC.
Food and Beverage
In-kind items and services
EMBLAVEO General $6.07

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 2021–2023 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, 2022–2024; 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
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
40 34 $88.00 $14.21
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
17 16 $219.00 $79.67
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
16 15 $434.00 $157.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
13 13 $323.00 $111.85
91200 Measurement of liver stiffness
11 11 $207.00 $26.85

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
Furosemide Furosemide 11 630 $70.56 —

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: 2021-10-18
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

License # reported to NPPES IL 209.024170

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

License # reported to NPPES IL 00000

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

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 - NURSE PRACTITIONER

Medicare Enrollment ID

I20211020002072

Enrollment State Jurisdiction

IL

PECOS Control ID

9739577941

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

Northwestern Medical Faculty Foundation

7 Blanchard Cir, Wheaton, IL 601892038

Phone: 6306820500

Northwestern Medical Faculty Foundation

660 N Westmoreland Rd, Lake Forest, IL 600451673

Phone: 3129266146

Northwestern Medical Faculty Foundation

885 Roosevelt Rd, Glen Ellyn, IL 601376141

Northwestern Medical Faculty Foundation

233 S Gary Ave, Bloomingdale, IL 601082213

Phone: 6303584414

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

235 S Gary Ave, Bloomingdale, IL 601082213

Phone: 6308939600

Northwestern Medical Faculty Foundation

636 Raymond Dr, Naperville, IL 605639789

Phone: 6304162300

Northwestern Medical Faculty Foundation

675 N Saint Clair St, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

2635 Church Rd, Aurora, IL 605028943

Phone: 6303156900

Clinicians Sharing This Practice Address or Phone

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

36 listed
Dr. James Abraham , MD

Internal Medicine - Gastroenterology

NPI 1427276732

Doctor of Medicine (M.D.)

Dr. Niraj Ajmere , MD

Internal Medicine - Gastroenterology

NPI 1558309856

Doctor of Medicine (M.D.)

Katie Akers , APN

Nurse Practitioner

NPI 1467920009

Advanced Practice Nurse

Dr. Rafi Ali , MD

Internal Medicine - Gastroenterology

NPI 1437136454

Doctor of Medicine (M.D.)

Dr. Ashish Arora , MD

Internal Medicine - Gastroenterology

NPI 1336157171

Doctor of Medicine (M.D.)

Dr. Asad Aziz , DO

Internal Medicine - Gastroenterology

NPI 1538140082

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History

NPI enumerated October 06, 2021.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from October 2021 to August 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1013679299
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 06, 2021
Last Update: October 18, 2021
Sole Proprietor: No

Other Nurse Practitioners in Hoffman Estates

All Nurse Practitioners in Hoffman Estates

More public profiles in Illinois

Directory navigation, in NPI number order.

Mailing Address

1860 Paysphere Cir

Chicago, IL 606740018

Phone: 6304699200

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.