1. Home
  2. Directory
  3. NPI Profile

DIANA MAHLIS PA-C
NPI 1851918411
Physician Assistant in Chicago, ILLINOIS

Active since June 30, 2020PECOS Enrolled
4959 WEST BELMONT AVE, CHICAGO, ILLINOIS 60641(773) 930-3642 Get Directions Write a Review

NPPES record last updated: October 4, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 4, 2024, Jun 30, 2020 (2 updates tracked since 2020).

About Diana Mahlis Pa-c NPPES

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

DIANA MAHLIS PA-C (NPI 1851918411) is an individual physician assistant in Chicago, ILLINOIS and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851918411
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameDIANA MAHLISCredential: PA-C
Location Address4959 WEST BELMONT AVEChicago, ILLINOIS 60641
Mailing Address1103 Emerson PlVernon Hills, IL 60061-1011
Phone(773) 930-3642
Sole ProprietorYes
Enumeration DateJune 30, 2020
Last NPPES UpdateOctober 4, 20242 updates tracked since enumeration
NPPES CertifiedOctober 4, 2024
✔ NPI 1851918411 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
4959 WEST BELMONT AVE, Chicago, ILLINOIS 60641
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diana Mahlis Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 60641 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
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 Diana Mahlis's NPI number?

The NPI number for Diana Mahlis is 1851918411. It was assigned to this individual provider in the NPPES registry on June 30, 2020.

Where is Diana Mahlis located?

Diana Mahlis practices at 4959 West Belmont Ave, Chicago, ILLINOIS 60641. The listed phone number is (773) 930-3642.

What is Diana Mahlis's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Diana Mahlis enrolled in Medicare?

Yes. Diana Mahlis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Diana Mahlis was last updated on October 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.