Natalie Selk, MD
NPI 1881851400 · Nephrology Physician · Evergreen Park, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Selk, MD is a Nephrology Physician provider in Evergreen Park, IL (NPI 1881851400).
Provider details
- NPI number
- 1881851400
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036124950 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,430 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 984 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 317 | $122 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 308 | $108 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 279 | $17 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 239 | $360 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 114 | 50 |
| Hydralazine Hcl | 104 | 37 |
| Amlodipine Besylate | 87 | 31 |
| Allopurinol | 63 | 16 |
| Potassium Citratebrand: Potassium Citrate Er | 55 | 14 |
| Calcitriol | 51 | 15 |
| Nifedipinebrand: Nifedipine Er | 44 | 15 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$85 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 16605 107th StOrland Park, IL 60467-9016Phone: (708) 226-9860
Registry dates
- Enumerated
- 2008-05-21
- Last updated
- 2023-02-03
- Certified
- 2023-02-03
Frequently asked questions
- What is Natalie Selk's NPI number?
- Natalie Selk's National Provider Identifier (NPI) is 1881851400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Selk's specialty?
- Natalie Selk is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Natalie Selk located?
- Natalie Selk's practice location on file with NPPES is 9125 S Pulaski Rd, Evergreen Park, IL 60805-1441.
- What is Natalie Selk's phone number?
- The practice phone number listed in the NPPES registry for Natalie Selk is (708) 422-7715.
- Does Natalie Selk accept Medicare?
- Natalie Selk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Selk's NPI active?
- Yes — Natalie Selk's NPI (1881851400) is active in the NPPES registry as of the last update on 2023-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.