Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Sarah Yoon , APN-CNP

Nurse Practitioner • Niles, IL

Active NPI 1669808465 Individual Practitioner Female Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

6631 N Milwaukee Ave
Niles, IL 607144416

Call 8476477444 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

6631 N Milwaukee Ave

Niles, IL 607144416

Telephone 8476477444
Organization at the Same NPPES Address or Phone
Rnp Services Llc Facility NPI 1255562674

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: Endeavor Health Medical Group. 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

2012

Medicare patients

184 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 $74,835 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 $51,531 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

16,618 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

$508,457 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: $2,103.08 across 88 records.

By nature of payment

  • Food and Beverage: $2,103.08 across 88 records.

Reporting-company totals (3 largest of 22)

  • Novo Nordisk Inc: $439.28 across 11 records.
  • ABBVIE INC.: $382.04 across 20 records.
  • Otsuka America Pharmaceutical, Inc.: $293.56 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

14 years (graduated 2012)

CMS Doctors and Clinicians data list 2012 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

2013

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)

Sarah Yoon 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 Sarah Yoon 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 Niles and Illinois

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 85% of clinicians listed under Nurse Practitioner in Illinois (2024, 2,561 clinicians with data). Median for this group: 261. Middle half: 101 to 526.

Too few clinicians listed under Nurse Practitioner in Niles have Medicare Part B data for 2024 to compare.

Medicare-allowed amount

A higher Medicare-allowed amount than 85% 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.

Too few clinicians listed under Nurse Practitioner in Niles have Medicare Part B data for 2024 to compare.

Paid by Medicare

A higher Medicare payment amount than 85% 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.

Too few clinicians listed under Nurse Practitioner in Niles have Medicare Part B data for 2024 to compare.

Medicare Part D prescriptions

More 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 Niles 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 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 Niles have Medicare Part D data for 2024 to compare.

7 active clinicians are listed under Nurse Practitioner with a practice address in Niles, IL (4,894 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): 88 records totaling $2,103.08.

Manufacturer Payment Nature Product Type Amount ($)
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Wegovy General $123.95
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Ozempic General $122.23
Otsuka America Pharmaceutical, Inc.
Food and Beverage
In-kind items and services
REXULTI General $119.02
ABBVIE INC.
Food and Beverage
In-kind items and services
UBRELVY General $107.83
ViiV Healthcare Company
Food and Beverage
In-kind items and services
APRETUDE General $33.34
Otsuka America Pharmaceutical, Inc.
Food and Beverage
In-kind items and services
REXULTI General $33.15
Pfizer Inc.
Food and Beverage
In-kind items and services
PREVNAR 20 General $29.96
ABBVIE INC.
Food and Beverage
In-kind items and services
UBRELVY General $29.71
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Rybelsus General $29.62
Sumitomo Pharma America, Inc.
Food and Beverage
In-kind items and services
GEMTESA General $28.72
Eli Lilly and Company
Food and Beverage
In-kind items and services
MOUNJARO General $28.69
Otsuka America Pharmaceutical, Inc.
Food and Beverage
In-kind items and services
REXULTI General $28.63
Boehringer Ingelheim Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
JARDIANCE General $28.22
Sumitomo Pharma America, Inc.
Food and Beverage
In-kind items and services
GEMTESA General $27.38
Eli Lilly and Company
Food and Beverage
In-kind items and services
MOUNJARO General $25.69
Pfizer Inc.
Food and Beverage
In-kind items and services
PREVNAR 20 General $25.59
Pfizer Inc.
Food and Beverage
In-kind items and services
PREVNAR 20 General $25.35
ABBVIE INC.
Food and Beverage
In-kind items and services
VRAYLAR General $25.31
Otsuka America Pharmaceutical, Inc.
Food and Beverage
In-kind items and services
REXULTI General $24.99
Exact Sciences Corporation
Food and Beverage
In-kind items and services
Cologuard Collection Kit General $24.88
Eli Lilly and Company
Food and Beverage
In-kind items and services
JARDIANCE General $24.64
Xeris Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
GVOKE HYPOPEN General $23.93
Xeris Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
GVOKE HYPOPEN General $23.90
Pfizer Inc.
Food and Beverage
In-kind items and services
— General $23.88
Xeris Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
GVOKE HYPOPEN General $23.87

(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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
316 153 $278.90 $113.96
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
200 125 $35.00 $14.57
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
183 112 $202.91 $80.97
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
123 123 $283.00 $115.61
36415 Insertion of needle into vein for collection of blood sample
80 65 $31.00 $8.65
90662 Influenza vaccine split virus, preservative free
44 44 $140.00 $81.60
G0008 Administration of influenza virus vaccine
44 44 $68.00 $33.70
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
22 21 $167.00 $50.31

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
Atorvastatin Calcium Atorvastatin Calcium 638 53,280 $4,106.98 182
Losartan Potassium Losartan Potassium 478 37,450 $2,980.01 122
Metformin Hcl Metformin Hcl 443 36,327 $2,115.08 119
Amlodipine Besylate Amlodipine Besylate 439 35,083 $1,556.79 126
Omeprazole Omeprazole 306 23,679 $1,918.71 83
Simvastatin Simvastatin 303 23,325 $1,138.52 71
Tamsulosin Hcl Tamsulosin Hcl 191 15,666 $2,042.72 54
Metoprolol Succinate Metoprolol Succinate 190 15,555 $1,968.76 47
Lisinopril Lisinopril 177 14,910 $740.34 47
Alendronate Sodium Alendronate Sodium 177 11,612 $904.72 42
Levothyroxine Sodium Levothyroxine Sodium 177 12,404 $1,634.76 38
Gabapentin Gabapentin 153 10,840 $1,553.05 46
Hydrochlorothiazide Hydrochlorothiazide 127 10,162 $474.54 32
Famotidine Famotidine 126 8,400 $802.88 33
Metoprolol Tartrate Metoprolol Tartrate 122 10,680 $730.91 37
Myrbetriq Mirabegron 109 5,820 $83,912.70 22
Pravastatin Sodium Pravastatin Sodium 102 7,740 $728.70 29
Lovastatin Lovastatin 99 7,350 $466.35 27
Carvedilol Carvedilol 95 5,765 $589.53 20
Meloxicam Meloxicam 89 5,945 $124.79 22
Allopurinol Allopurinol 89 5,766 $640.25 18
Glipizide Glipizide 88 7,770 $496.87 27
Losartan-Hydrochlorothiazide Losartan/Hydrochlorothiazide 79 6,240 $739.61 20
Escitalopram Oxalate Escitalopram Oxalate 78 4,350 $443.33 16
Triamcinolone Acetonide Triamcinolone Acetonide 75 1,689 $313.34 56

(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: 2026-05-11
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

License # reported to NPPES IL 209010469

(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 - Adult Health

NUCC Taxonomy Code: 363LA2200X

License # reported to NPPES IL 209.010469
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

I20131114001725

Enrollment State Jurisdiction

IL

PECOS Control ID

5395971691

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

Endeavor Health Medical Group

5215 N California Ave, Chicago, IL 606258564

Endeavor Health Medical Group

2650 Ridge Ave, Evanston, IL 602011700

Clinicians Sharing This Practice Address or Phone

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

1 listed
Michelle Leal , NP

Nurse Practitioner - Family

NPI 1730580721

Nurse Practitioner

Career & Practice History Timeline

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

7 Historical Events
👤
Provider Name / Credentials Updated May 11, 2026

Recorded as SARAH YOON, APN-CNP

âś…
NPI Profile Active September 25, 2013

NPI status registered as active in NPPES database

📍
Practice Location (Initial Record) September 25, 2013

Registered at 6631 N MILWAUKEE AVE, NILES, IL 607144416 (Tel: 8476477444)

📍
Business Mailing Address (Initial Record) September 25, 2013

Registered at 9359 HAMLIN AVE, EVANSTON, IL 602031301 (Tel: 8472356130)

👤
Provider Name / Credentials (Initial Record) September 25, 2013

Recorded as SARAH YOON, NP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 25, 2013

Nurse Practitioner (license number reported to NPPES: IL 209.010469)

🟢
Initial NPI Registration & Enumeration September 25, 2013

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1669808465
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 25, 2013
Last Update: May 11, 2026
Sole Proprietor: No

Other Nurse Practitioners in Niles

Healthcare providers in Niles

Mailing Address

9359 Hamlin Ave

Evanston, IL 602031301

Phone: 8472356130

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.