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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ZACHARY G OSBORN MD
NPI 1902487291
Psychiatry & Neurology - Neurology in Chicago, IL

Active since April 19, 2021PECOS Enrolled
5841 S MARYLAND AVE, M/C 7082, CHICAGO, IL 60637(773) 702-6840 Get Directions Write a Review

NPPES record last updated: August 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 13, 2026, Apr 19, 2021 (2 updates tracked since 2021).

About Dr. Zachary G Osborn Md NPPES

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

DR. ZACHARY G OSBORN MD (NPI 1902487291) is an individual neurology provider in Chicago, Illinois, licensed in Illinois (036170850) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1902487291
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. ZACHARY G OSBORNCredential: MD
Location Address5841 S MARYLAND AVE, M/C 7082Chicago, IL 60637-1443
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Phone(773) 702-6840
Sole ProprietorNo
Enumeration DateApril 19, 2021
Last NPPES UpdateAugust 13, 20262 updates tracked since enumeration
NPPES CertifiedAugust 13, 2026
✔ NPI 1902487291 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in IL · 036170850
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedPsychiatry & Neurology · EpilepsyTaxonomy 2084E0001X · License 036170850 (IL)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
5841 S MARYLAND AVE, Chicago, IL 60637
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1100 Dr Warren Tuttle DrHarrisburg, IL 62946-2718 · Phone (618) 253-7671 · Fax (618) 252-7274
Location 2305 W Jackson St Ste 103Carbondale, IL 62901-1474 · Phone (618) 351-4972 ext. 65869 · Fax (618) 351-6522

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Zachary G Osborn Md 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 60637 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.

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. DON MARTINEZ M.D.
Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 926-8318
ALEXANDRA DUMITRESCU
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
PELEG HOROWITZ
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
SANDEEP GURBUXANI
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
DR. NIREN GANDRA M.D.
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-0240
ALLIE DAKROUB MD MS
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
SCOTT VASHER MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
DR. NATHAN CHARLES NOWALK M.D.
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200

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 Zachary Osborn's NPI number?

The NPI number for Zachary Osborn is 1902487291. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Where is Zachary Osborn located?

Zachary Osborn practices at 5841 S Maryland Ave M/C 7082, Chicago, IL 60637. The listed phone number is (773) 702-6840.

What is Zachary Osborn's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Zachary Osborn enrolled in Medicare?

Yes. Zachary Osborn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Zachary Osborn was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.