MR. TREVOR JOHN PFAENDTNER (D.O) – Family Medicine Physician, NPI 1528485174
Family Medicine Physician
Main info
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MR. TREVOR JOHN PFAENDTNER (D.O)
15900 W 127TH ST.
SUITE 221A
LEMONT, IL 60439
Phone: (312) 421-1016
Fax: (312) 421-1017
Type: Mailing
199 W RAND RD
MT PROSPECT, IL 600561151
Phone: (847) 618-5400
Fax: (847) 540-0371
Type: Mailing
1307 COUNTRYSIDE MANOR PL
CHESTERFIELD, MO 63005
Phone: (702) 428-0094
Fax: (636) 590-1415
Type: Mailing
15900 W. 127TH ST.
SUITE 221A
LEMONT, IL 60439
Phone: (312) 421-1016
Fax: (312) 421-1017
Type: Location
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: 2017-07-24
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 |
|---|---|---|---|---|
| I20170724003039 | I | Family Practice | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60439)
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