ELIZABETH K MCMASTERS (MD) – Psychiatry Physician, NPI 1427067180
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,367 PSYCHIATRY in IL
Provider Addresses for ELIZABETH K MCMASTERS (MD)
370 Summit St
Elgin, IL 601203843
Phone: (847) 608-1344
Fax: (815) 363-5707
Type: Location
10350 Haligus Rd Ste 200
Huntley, IL 601429545
Phone: (815) 338-6600
Fax: (847) 802-7265
Type: Location
3701 Doty Rd
Woodstock, IL 600987509
Phone: (815) 338-6600
Type: Location
10400 Haligus Rd
Huntley, IL 601429553
Phone: (815) 338-6600
Type: Location
Centegra Medical Center, 4201, West Medical Center Drive, McHenry, McHenry County, Illinois, 60050, United States
MCHENRY, IL 60050
Phone: (815) 338-6600
Type: Location
3707, Doty Road, Woodstock, McHenry County, Illinois, 60098, United States
STE F - CREDENTIALING
MCHENRY, IL 600508409
Phone: (815) 206-1068
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-04-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080430000610 | I | Psychiatry | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 204 | 50 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 54 | 46 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 40 | 34 | $0 |
Insurance plans in this area (ZIP 60120)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | IL | |
| Vascular Surgery | IL | |
| - | IL | |
| Nurse Practitioner | IL | |
| - | IL | |
| C H I R O P R A C T I C | IL | |
| Family Practice | IL | |
| Physical Medicine And Rehabilitation | CO | |
| - | IL | |
| Hospitalist, Family Practice | IL |
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