MARIA JEFFERSON-WALKER (APRN) – Family Nurse Practitioner, NPI 1831522630
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MARIA JEFFERSON-WALKER (APRN)
1028 E Steger Rd
Crete, IL 604171362
Phone: (708) 672-1600
Type: Location
DEPT 394 PO BOX 1000
MEMPHIS, TN 38148
Phone: (941) 300-4440
Fax: (941) 404-1760
Type: Mailing
4244 N 19TH AVE
PHOENIX, AZ 850155108
Phone: (602) 661-0666
Fax: (877) 869-9199
Type: Location
11834 S OAKLEY AVE
CHICAGO, IL 606434728
Phone: (773) 680-7296
Type: Mailing
10540 S WESTERN AVE STE 103
CHICAGO, IL 606432541
Phone: (773) 985-5734
Fax: (773) 941-5131
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: 2024-09-18
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 |
|---|---|---|---|---|
| I20240918003840 | I | Nurse Practitioner | AZ | 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 60417)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| - | IN | |
| - | IN | |
| - | MI | |
| - | IN | |
| Hematology/Oncology, Internal Medicine | IN | |
| - | IN | |
| Family Practice | IN | |
| - | MI | |
| Internal Medicine | IN |
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