DR. PREETI K PARHAR (MD) – Radiation Oncology Physician, NPI 1164680393
Radiation Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
312 RADIATION ONCOLOGY in IL
Provider Addresses for DR. PREETI K PARHAR (MD)
4455 Weaver Pkwy
Warrenville, IL 60555
Phone: (630) 821-6400
Fax: (888) 543-6118
Type: Location
4455, Weaver Parkway, Warrenville, DuPage County, Illinois, 60555, United States
WARRENVILLE, IL 60555
Phone: (630) 821-6400
Fax: (888) 543-6118
Type: Location
136 Mountainview Blvd
Basking Ridge, NJ 079203444
Phone: (908) 542-3429
Type: Location
3815 HIGHLAND AVE
DOWNERS GROVE, IL 605151500
Phone: (630) 275-2300
Type: Location
Dick's Sporting Goods, 500, Commerce Boulevard, Stroudsburg, Monroe County, Pennsylvania, 18360, United States
OAK BROOK, IL 605238736
Phone: (847) 698-0600
Fax: (847) 698-0601
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2018-07-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20100827000005 | I | Radiation Oncology | NY | TBD |
| I20180728000157 | I | Radiation Oncology | 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 |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 355 | 26 | $0 |
| 77300 | Calculation of radiation therapy dose | 122 | 39 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 120 | 43 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 115 | 55 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 89 | 77 | $0 |
Insurance plans in this area (ZIP 60555)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | IL | |
| Radiation Oncology | NY | |
| Radiation Oncology | IL | |
| - | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| - | IL | |
| Radiation Oncology | IL |
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