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DR. YAZAN JAMAL MAZAHREH
NPI 1689806838
Internal Medicine in Elgin, IL

Active since August 20, 2009PECOS EnrolledAccepts Medicare Assignment
1425 N RANDALL RD OFC, ELGIN, IL 60123(224) 783-2525 Get Directions Write a Review

NPPES record last updated: March 27, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 27, 2025, Dec 16, 2021 (2 updates tracked since 2021).

About Dr. Yazan Jamal Mazahreh NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. YAZAN JAMAL MAZAHREH (NPI 1689806838) is an individual internal medicine provider in Elgin, Illinois, licensed in Illinois (125.054074) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and maintains a secondary practice location in Park Ridge.

NPPES Registry Identity

NPI1689806838
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. YAZAN JAMAL MAZAHREH
Location Address1425 N RANDALL RD OFCElgin, IL 60123-2300
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(224) 783-2525
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateAugust 20, 2009
Last NPPES UpdateMarch 27, 20252 updates tracked since enumeration
NPPES CertifiedMarch 27, 2025
✔ NPI 1689806838 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 125.054074
Definition
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.
1425 N RANDALL RD OFC, Elgin, IL 60123
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Secondary Practice Location 1

Location 11775 Dempster StPark Ridge, IL 60068-1143 · Phone (847) 723-8077

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Yazan Jamal Mazahreh is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325211956
PECOS Enrollment IDI20111027000181
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
485 services162 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
154 services142 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
114 services66 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
79 services77 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
17 services16 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Sherman Hospital

Acute Care Hospitals · Elgin, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140030
Location1425 North Randall RoadElgin, IL 60123 · Kane County
Emergency services Birthing friendly

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140223
Location1775 Dempster StPark Ridge, IL 60068 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60123 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
5 suppliers12 claims12 services$15.48 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
5 suppliers12 claims12 services$69.05 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yazan Mazahreh's NPI number?

The NPI number for Yazan Mazahreh is 1689806838. It was assigned to this individual provider in the NPPES registry on August 20, 2009.

Where is Yazan Mazahreh located?

Yazan Mazahreh practices at 1425 N Randall Rd Ofc, Elgin, IL 60123. The listed phone number is (224) 783-2525.

What is Yazan Mazahreh's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Yazan Mazahreh enrolled in Medicare?

Yes. Yazan Mazahreh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Yazan Mazahreh affiliated with any hospitals?

According to CMS data, Yazan Mazahreh is affiliated with Advocate Sherman Hospital and Advocate Lutheran General Hospital.

When was this NPI record last updated?

The NPPES record for Yazan Mazahreh was last updated on March 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.