ESTEFFANIA CRISTINA VILLEGAS SANTAMARIA (MD) – Internal Medicine Physician, NPI 1457804395
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,594 CARDIOVASCULAR DISEASE (CARDIOLOGY) in IL
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Provider Addresses for ESTEFFANIA CRISTINA VILLEGAS SANTAMARIA (MD)
300 S MAPLE AVE APT A6
OAK PARK, IL 603023426
Phone: (312) 404-3841
Type: Mailing
1500, North Fairfield Avenue, Humboldt Park, West Town, Chicago, Cook County, Illinois, 60622, United States
CHICAGO, IL 60608
Phone: (773) 542-2000
Type: Location
403 1st St SE
Belmond, IA 504211201
Phone: (641) 444-3500
Fax: (319) 343-1161
Type: Location
1316 S Main St
Clarion, IA 505252019
Phone: (515) 532-2811
Fax: (515) 532-3119
Type: Location
1215 DUFF AVE
AMES, IA 500105469
Phone: (515) 239-4400
Type: Mailing
1111 DUFF AVE
AMES, IA 500105745
Phone: (515) 239-4472
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 22 Open Payments records for all available years, with a total value of $470.
Total Amount is formed as General ($470) + Research ($0) + Ownership ($0) = $470.
Last reported payment date: 2024-07-03 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($84).
Total Amount
$470
General + Research + Ownership
Payments
22
Total payment records
General Amount
$470
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $84 |
| Lantheus Medical Imaging, Inc. | $58 |
| ABIOMED | $58 |
| Amgen Inc. | $48 |
| Novartis Pharmaceuticals Corporation | $38 |
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: 2023-08-29
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 |
|---|---|---|---|---|
| I20230829003821 | I | Cardiovascular Disease (Cardiology) | IA | 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 |
|---|---|---|---|---|
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 85 | 85 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 62 | 59 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 24 | 23 | $0 |
| 93227 | Electrocardiogram (ecg) 2-day continuous with review by health care professional | 17 | 17 | $0 |
| 93005 | Routine electrocardiogram (ecg) using at least 12 leads with tracing | 16 | 16 | $0 |
Insurance plans in this area (ZIP 60302)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | OH | |
| General Surgery | IA | |
| Clinical Social Worker | IA | |
| Clinical Social Worker | IA | |
| Sleep Medicine, Internal Medicine | IA | |
| - | IA | |
| Emergency Medicine, Family Practice | NE | |
| Mental Health Counselor | IA | |
| Clinical Social Worker | IA | |
| Nurse Practitioner | IA |
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