TIMOTHY EDWARD VIERLING (MD) – Obstetrics & Gynecology Physician, NPI 1336250380
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,923 OBSTETRICS/GYNECOLOGY in IL
Provider Addresses for TIMOTHY EDWARD VIERLING (MD)
1051 Perimeter Dr Ste 150
Schaumburg, IL 601735075
Phone: (847) 221-4300
Fax: (847) 221-4396
Type: Location
West Rand Road, Arlington Heights, Wheeling Township, Cook County, Illinois, 60004, United States
ARLINGTON HEIGHTS, IL 600042315
Phone: (847) 221-4900
Fax: (847) 221-4996
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 32 Open Payments records for all available years, with a total value of $765.
Total Amount is formed as General ($765) + Research ($0) + Ownership ($0) = $765.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: ABBVIE INC. ($180).
Total Amount
$765
General + Research + Ownership
Payments
32
Total payment records
General Amount
$765
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $180 |
| Sumitomo Pharma America, Inc. | $99 |
| Organon LLC | $78 |
| SHIELD THERAPEUTICS INC | $76 |
| Hologic Sales and Service, LLC | $40 |
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: 2004-11-23
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 |
|---|---|---|---|---|
| I20041123001133 | I | Obstetrics/Gynecology | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60173)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NY | |
| - | IL | |
| - | IL | |
| - | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Certified Nurse Midwife (Cnm) | IL | |
| - | IL |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.