DR. PETER S. YOON (M.D.) – Internal Medicine Physician, NPI 1417905944
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
Provider Addresses for DR. PETER S. YOON (M.D.)
2340 S Highland Ave
Suite 210
Lombard, IL 601485371
Phone: (630) 932-2020
Fax: (630) 932-4688
Type: Location
1860 PAYSPHERE CIR
CHICAGO, IL 606745371
Phone: (630) 469-2000
Type: Mailing
350 S WAUKEGAN RD STE 100&200
DEERFIELD, IL 600155239
Phone: (847) 535-7157
Fax: (224) 271-4332
Type: Location
2340, South Highland Avenue, Highland Hills, Lombard, DuPage County, Illinois, 60148, United States
SUITE 210
LOMBARD, IL 601485371
Phone: (630) 932-2020
Fax: (630) 932-4688
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $15.
Total Amount is formed as General ($15) + Research ($0) + Ownership ($0) = $15.
Last reported payment date: 2023-06-20 • Largest payer in this snapshot: Astellas Pharma US Inc ($15).
Total Amount
$15
General + Research + Ownership
Payments
1
Total payment records
General Amount
$15
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Astellas Pharma US Inc | $15 |
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: 2005-05-02
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 |
|---|---|---|---|---|
| I20050502000905 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 407 | 317 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 302 | 236 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 180 | 165 | $0 |
| 83036 | Hemoglobin a1c level | 159 | 138 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 140 | 138 | $0 |
Insurance plans in this area (ZIP 60148)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | IL | |
| Physician Assistant | IL | |
| Internal Medicine | IL | |
| Nurse Practitioner | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Physical Therapist In Private Practice | IL |
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