Lillian Jane Montgomery, DO
Hospitalist Physician · Arlington Heights, IL
Lillian Jane Montgomery, DO is a hospitalist physician with a practice address in Arlington Heights, Illinois, and NPI 1255893871, issued on Apr 2, 2019. Check the license (Illinois 036165421, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Lillian Jane Montgomery
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036165421 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 W Central RD, Arlington Heights, IL 60005
- Phone
- (847) 618-8400
- Enumerated
- Apr 2, 2019
- Record last updated
- May 11, 2026
- Medicare enrollment
- Enrolled (PECOS I20231010000507); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 800 W Central RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lillian Jane Montgomery in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036165421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average hospitalist physician in 2024
12 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $312.31
15 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Women First Specialists SCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lillian Jane Montgomery among 1,535 hospitalist physician records in Illinois
Lillian Jane Montgomery, DO is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 73% of them.
- NPI issued2019 · 73% of these records are older, 21% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2019 · median 2013 among the 1,339 with a school on file
- Record last updated2026 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 hospitalist physician records list a practice address in Arlington Heights
They are 42 of the 2,697 NPPES records with a practice address in Arlington Heights, and 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Arlington Heights → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Madhukar Damera, M.D.Arlington Heights, IL 600051710932025
- Bindu Finnell, MDArlington Heights, IL 600051851327340
- Nathan Holt, M.D.Arlington Heights, IL 600051518127950
- Ahtesham Hyder, MDArlington Heights, IL 600051740207505
- Aurelian Ivan, M.D.Arlington Heights, IL 600051841467743
- Lisa Juarez, MDArlington Heights, IL 600051568625465
- Leo Kanev, MDArlington Heights, IL 600051497748131
- Asad Mehdi, M.D.Arlington Heights, IL 600051003072547
Common questions
What is Lillian Jane Montgomery, DO's NPI number?
Lillian Jane Montgomery, DO's National Provider Identifier (NPI) is 1255893871, issued on Apr 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Lillian Jane Montgomery, DO located?
The NPPES record lists a practice address at 800 W Central RD, Arlington Heights, IL, 60005. Phone: (847) 618-8400. Providers update this record themselves, so call before visiting.
How can I verify Lillian Jane Montgomery, DO's license?
NPPES lists Illinois license number 036165421, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lillian Jane Montgomery, DO prescribe under Medicare Part D?
In 2024, Lillian Jane Montgomery, DO had 12 Medicare Part D claims; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.