KRYSTAL ZAREFA AL-HAJ FNP-BC
NPI 1750027793
Nurse Practitioner in Joliet, IL

Q: What is Krystal Al-haj's NPI number?

The NPI number for Krystal Al-haj is 1750027793. It was assigned to this individual provider in the NPPES registry on May 11, 2022.

Q: What is Krystal Al-haj's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Krystal Al-haj was last updated on September 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.

Active since May 11, 2022PECOS EnrolledAccepts Medicare Assignment

301 MADISON ST STE 207, JOLIET, IL 60435(815) 740-1900(815) 729-3294 Get Directions Write a Review

NPPES record last updated: September 15, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Feb 13, 2023, May 11, 2022 (2 updates tracked since 2022).

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About Krystal Zarefa Al-haj Fnp-bc NPPES

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

KRYSTAL ZAREFA AL-HAJ FNP-BC (NPI 1750027793) is an individual nurse practitioner in Joliet, Illinois, licensed in Illinois (209.024661) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Olympia Fields, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1750027793

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameKRYSTAL ZAREFA AL-HAJCredential: FNP-BC

Location Address301 MADISON ST STE 207Joliet, IL 60435-6654

Mailing AddressPo Box 713260Chicago, IL 60677-1260 · (630) 469-9200

Phone(815) 740-1900

Fax(815) 729-3294

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateMay 11, 2022

Last NPPES UpdateSeptember 15, 20232 updates tracked since enumeration

NPPES CertifiedSeptember 15, 2023

✔ NPI 1750027793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209.024661

Definition

(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.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 209.024661 (IL)

301 MADISON ST STE 207, Joliet, IL 60435

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Secondary Practice Location 1

Location 14001 Vollmer RdOlympia Fields, IL 60461-3168 · Phone (708) 481-8883 · Fax (708) 481-2917

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Krystal Zarefa Al-haj Fnp-bc 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 ID6406235662

PECOS Enrollment IDI20220617000578

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.

Medicare Billing Reassignments

Medicare enrollment records show Krystal Al-haj reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Midwest Express Care 2, Inc

18 mi

Urgent Care

40 75TH ST
Willowbrook, IL 60527

Reassigned Medicare billing, Illinois enrollment
410 clinicians in this Medicare group

NPI 1548692890 (630) 400-4060

Harvey Emergency Physicians, PLLC

30 mi

Emergency Medicine

1600 TORRENCE AVE
Calumet City, IL 60409

Reassigned Medicare billing, Illinois enrollment
84 clinicians in this Medicare group

NPI 1184281651 (954) 939-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

365 services288 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.

214 services98 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

127 services116 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

36 services34 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

29 services29 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60435 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

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.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. PARABJIT KAUR APN

Nurse Practitioner