Elizabeth K Mcmasters, MD
Psychiatry · Mchenry, IL
At a glance
4201 W Medical Center Dr, Mchenry, IL 60050
NPPES record updated Jan 28, 2019. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
4201 W Medical Center DrMchenry, IL 60050
Additional reported practice locations
370 Summit StElgin, IL 601203843
Phone: 8476081344
Fax: 8153635707 10350 Haligus Rd Ste 200
Huntley, IL 601429545
Phone: 8153386600
Fax: 8478027265 3701 Doty Rd
Woodstock, IL 600987509
Phone: 8153386600 10400 Haligus Rd
Huntley, IL 601429553
Phone: 8153386600
Education & affiliations
- Medical / professional school
- Northwestern University Feinberg Medical School
- Graduation year
- 1992
- CMS specialties
- Psychiatry
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Northwestern Medicine Central Dupage Hospital Winfield, IL
- Northwestern Medicine Mchenry Mchenry, IL
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Psychiatry
- Taxonomy code
- 2084P0800X
- Enumeration date
- Aug 5, 2006
- Record updated
- Jan 28, 2019
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2084P0800X · Primary
License reported: 036-087029 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4201 W Medical Center DrMchenry, IL 60050
- Phone
- (815) 338-6600
Mailing address
3707 DOTY ROADSTE F - CREDENTIALING
MCHENRY, IL 600508409
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue