MR. ROBERT LYNN MULLER (MSN RN FNP-C) – Family Nurse Practitioner, NPI 1811084296
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MR. ROBERT LYNN MULLER (MSN RN FNP-C)
Springfield, Boulevard Émile Krieps, Oberkorn, Differdange, Canton Esch-sur-Alzette, 4543, Luxembourg
SPRINGFIELD, MO 658084046
Phone: (417) 269-5712
Fax: (417) 269-7567
Type: Mailing
Cox Medical Center South, 3801, South National Avenue, Springfield, Greene County, Missouri, 65807, United States
SPRINGFIELD, MO 658075210
Phone: (417) 269-7728
Fax: (417) 269-7729
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $497.
Total Amount is formed as General ($497) + Research ($0) + Ownership ($0) = $497.
Last reported payment date: 2024-11-22 • Largest payer in this snapshot: Travere Therapeutics, Inc. ($161).
Total Amount
$497
General + Research + Ownership
Payments
11
Total payment records
General Amount
$497
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-22
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2008-11-12
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 |
|---|---|---|---|---|
| I20081112000282 | I | Nurse Practitioner | MO | 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 |
|---|---|---|---|---|
| 90966 | Home dialysis services per month (20 years or older) | 51 | 19 | $0 |
Insurance plans in this area (ZIP 65808)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E P H R O L O G Y | MO | |
| Nephrology, Internal Medicine | MO | |
| Nephrology, Internal Medicine | AR | |
| Nurse Practitioner | AR | |
| - | MO | |
| Physician Assistant | MO | |
| Certified Clinical Nurse Specialist (Cns) | MO |
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