LILLIAN JANE MONTGOMERY DO
NPI 1255893871
Hospitalist in Arlington Heights, IL

Q: What is Lillian Montgomery's NPI number?

The NPI number for Lillian Montgomery is 1255893871. It was assigned to this individual provider in the NPPES registry on April 2, 2019.

Q: What is Lillian Montgomery's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Active since April 02, 2019PECOS EnrolledAccepts Medicare Assignment

800 W CENTRAL RD, ARLINGTON HEIGHTS, IL 60005(847) 618-8400 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 11, 2026, Aug 17, 2023, Apr 2, 2019 (3 updates tracked since 2019).

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About Lillian Jane Montgomery Do NPPES

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

LILLIAN JANE MONTGOMERY DO (NPI 1255893871) is an individual hospitalist provider in Arlington Heights, Illinois, licensed in Illinois (036165421) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1255893871

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameLILLIAN JANE MONTGOMERYCredential: DO

Location Address800 W CENTRAL RDArlington Heights, IL 60005-2349

Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040

Phone(847) 618-8400

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateApril 2, 2019

Last NPPES UpdateMay 11, 20263 updates tracked since enumeration

NPPES CertifiedMay 11, 2026

✔ NPI 1255893871 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in IL · 036165421

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 036165421 (IL)

800 W CENTRAL RD, Arlington Heights, IL 60005

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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

Lillian Jane Montgomery 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 ID2466807532

PECOS Enrollment IDI20231010000507

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 60005 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.

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Other Providers at the Same Location NPPES 20

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

DR. ASAD S MEHDI M.D.

Hospitalist