DR. NATALIE M SELK (MD) – Nephrology Physician, NPI 1881851400
Nephrology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
629 NEPHROLOGY in IL
Provider Addresses for DR. NATALIE M SELK (MD)
120 W 22ND ST STE 200
OAK BROOK, IL 605231563
Phone: (630) 573-5000
Type: Mailing
South Pulaski Road, Evergreen Park, Worth Township, Cook County, Illinois, 60805, United States
EVERGREEN PARK, IL 608051441
Phone: (708) 422-7715
Fax: (708) 422-7816
Type: Mailing
16605 107th St
Orland Park, IL 604679016
Phone: (708) 226-9860
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $272.
Total Amount is formed as General ($272) + Research ($0) + Ownership ($0) = $272.
Last reported payment date: 2024-10-29 • Largest payer in this snapshot: Medtronic, Inc. ($141).
Total Amount
$272
General + Research + Ownership
Payments
8
Total payment records
General Amount
$272
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $141 |
| Ardelyx, Inc. | $85 |
| Horizon Therapeutics plc | $26 |
| Fresenius USA Marketing, 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: 2012-07-23
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 |
|---|---|---|---|---|
| I20120723000824 | I | Nephrology | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 795 | 212 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 320 | 186 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 318 | 41 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 285 | 82 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 118 | 110 | $0 |
Insurance plans in this area (ZIP 60523)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | IL | 90935 | Hemodialysis procedure with one physician evaluation | 200 | 96 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| Nephrology, Internal Medicine | IL | |
| A N E S T H E S I O L O G Y | IL | |
| Internal Medicine | IL | |
| Clinical Social Worker | IL | |
| - | MN | |
| - | IL | |
| - | IL | |
| Hospitalist, Internal Medicine | IL | |
| Physician Assistant | NC |
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.