MAHUM MIRZA DO
NPI 1992333686
Internal Medicine - Rheumatology in Westmont, IL

Q: What is Mahum Mirza's NPI number?

The NPI number for Mahum Mirza is 1992333686. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Q: What is Mahum Mirza's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Mahum Mirza was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since March 30, 2020PECOS EnrolledAccepts Medicare Assignment

801 N CASS AVE STE 150, WESTMONT, IL 60559(630) 268-0200(630) 963-6579 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 18, 2026, Aug 6, 2020, Jun 4, 2020 and 1 more (4 updates tracked since 2020).

On this page

About Mahum Mirza Do NPPES

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

MAHUM MIRZA DO (NPI 1992333686) is an individual rheumatology provider in Westmont, Illinois, licensed in Illinois (036-162479) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Park Ridge, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1992333686

Entity TypeIndividualFemale

Primary Taxonomy207RR0500X

Provider Legal NameMAHUM MIRZACredential: DO

Location Address801 N CASS AVE STE 150Westmont, IL 60559-1121

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

Phone(630) 268-0200

Fax(630) 963-6579

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateMarch 30, 2020

Last NPPES UpdateMay 18, 20264 updates tracked since enumeration

NPPES CertifiedMay 18, 2026

✔ NPI 1992333686 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in IL · 036-162479

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Also ListedInternal MedicineTaxonomy 207R00000X · License 125.075884 (IL)

801 N CASS AVE STE 150, Westmont, IL 60559

Open in Google Maps ↗

Secondary Practice Location 1

Location 11775 Ballard RdPark Ridge, IL 60068-1005 · Phone (847) 318-9340

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

Mahum Mirza Do 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 ID1456709781

PECOS Enrollment IDI20250918001965

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60559 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.

Other Providers at the Same Location NPPES

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

DR. ANNA A STANISLAUS M.D.

Internal Medicine (Rheumatology)

801 N CASS AVE STE 150
WESTMONT, IL 60559

Dupage County (630) 268-0200

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 Mahum Mirza's NPI number?

The NPI number for Mahum Mirza is 1992333686. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Where is Mahum Mirza located?

Mahum Mirza practices at 801 N Cass Ave Ste 150, Westmont, IL 60559. The listed phone number is (630) 268-0200.

What is Mahum Mirza's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Mahum Mirza enrolled in Medicare?

Yes. Mahum Mirza 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.

When was this NPI record last updated?

The NPPES record for Mahum Mirza was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.