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NAHID ALAVI MD
NPI 1801973649
Internal Medicine - Nephrology in Hoffman Estates, IL

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
1555 BARRINGTON RD STE 3400, HOFFMAN ESTATES, IL 60169(847) 952-9332(847) 952-9338 Get Directions Write a Review

NPPES record last updated: April 28, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 27, 2023, Oct 22, 2020, Aug 23, 2016 (3 updates tracked since 2016).

About Nahid Alavi Md NPPES

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

NAHID ALAVI MD (NPI 1801973649) is an individual nephrology provider in Hoffman Estates, Illinois, licensed in Illinois (036069944) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Alexian Brothers Medical Center 1, and is a graduate of Other (1972).

NPPES Registry Identity

NPI1801973649
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameNAHID ALAVICredential: MD
Location Address1555 BARRINGTON RD STE 3400Hoffman Estates, IL 60169-1023
Mailing Address120 W 22nd StOak Brook, IL 60523-1557 · (630) 573-5000
Phone(847) 952-9332
Fax(847) 952-9338
Sole ProprietorYes
Medical School CMSOtherGraduated 1972
Enumeration DateNovember 1, 2006
Last NPPES UpdateApril 28, 20253 updates tracked since enumeration
NPPES CertifiedApril 28, 2025
✔ NPI 1801973649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in IL · 036069944
Definition
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.
1555 BARRINGTON RD STE 3400, Hoffman Estates, IL 60169
Open in Google Maps ↗

Other Identifiers 1

OtherIL8312007IL · Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

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

Nahid Alavi Md 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 ID2668645060
PECOS Enrollment IDI20111031000594
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

2

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

Nephrology Associates Of Northern Illinois, Ltd.
18 mi
Nephrology
120 W 22ND ST
Oak Brook, IL 60523
  • Reassigned Medicare billing, Illinois enrollment
  • 161 clinicians in this Medicare group
NPI 1134319924 (630) 573-5000
Nani Elk Grove
18 mi
Nephrology
120 W 22ND ST
Oak Brook, IL 60523
  • Reassigned Medicare billing, Illinois enrollment
  • 26 clinicians in this Medicare group
NPI 1154675528 (630) 573-5000

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 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 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.
1,066 services361 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.
239 services195 patients
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.
139 services63 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
68 services41 patients
Home dialysis services per month (20 years or older) 90966
Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.
52 services13 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.
47 services43 patients

Hospital Affiliations CMS Care Compare 2

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

Alexian Brothers Medical Center 1

Acute Care Hospitals · Elk Grove Village, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140258
Location800 Biesterfield RdElk Grove Village, IL 60007 · Cook County
Emergency services Birthing friendly

St Alexius Medical Center

Acute Care Hospitals · Hoffman Estates, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140290
Location1555 N Barrington RdHoffman Estates, IL 60169 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60169 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

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 Nahid Alavi's NPI number?

The NPI number for Nahid Alavi is 1801973649. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Nahid Alavi located?

Nahid Alavi practices at 1555 Barrington Rd Ste 3400, Hoffman Estates, IL 60169. The listed phone number is (847) 952-9332.

What is Nahid Alavi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Nahid Alavi enrolled in Medicare?

Yes. Nahid Alavi 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.

Which organizations bill Medicare for Nahid Alavi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nahid Alavi reassigns Medicare benefits to 2 organizations: Nephrology Associates Of Northern Illinois, Ltd. (Oak Brook, IL) and Nani Elk Grove (Oak Brook, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nahid Alavi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nahid Alavi accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Nahid Alavi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nahid Alavi affiliated with any hospitals?

According to CMS data, Nahid Alavi is affiliated with Alexian Brothers Medical Center 1 and St Alexius Medical Center.

When was this NPI record last updated?

The NPPES record for Nahid Alavi was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.