DR. EFFIE E. SIOMOS (M.D.) – Obstetrics & Gynecology Physician, NPI 1376589572
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
798 OBSTETRICS/GYNECOLOGY in WI
Loading map...
Provider Addresses for DR. EFFIE E. SIOMOS (M.D.)
705, South University Avenue, Beaver Dam, Dodge County, Wisconsin, 53916, United States
SUITE #300
BEAVER DAM, WI 539163053
Phone: (920) 885-6090
Fax: (920) 885-6092
Type: Location
3232 N BALLARD RD STE 100
APPLETON, WI 549118804
Phone: (920) 729-7105
Type: Mailing
225 MEMORIAL DR STE 2030
BERLIN, WI 549231243
Phone: (920) 729-7105
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $183.
Total Amount is formed as General ($183) + Research ($0) + Ownership ($0) = $183.
Last reported payment date: 2024-10-03 • Largest payer in this snapshot: PFIZER INC. ($53).
Total Amount
$183
General + Research + Ownership
Payments
10
Total payment records
General Amount
$183
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $53 |
| Astellas Pharma US Inc | $49 |
| Merck Sharp & Dohme LLC | $35 |
| ABBVIE INC. | $26 |
| Sumitomo Pharma America, Inc. | $20 |
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: 2010-08-16
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 |
|---|---|---|---|---|
| I20100816000475 | I | Obstetrics/Gynecology | WI | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 24 | 21 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 15 | 11 | $0 |
Insurance plans in this area (ZIP 53916)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| - | WI | |
| - | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI |
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.