MARILYN AUSTIN-CLARK – Family Nurse Practitioner, NPI 1164819504
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,299 NURSE PRACTITIONER in OK
Provider Addresses for MARILYN AUSTIN-CLARK
624 E NOBLE AVE
GUTHRIE, OK 730443411
Phone: (405) 471-4914
Mailing address matches the actual address.
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 $115.
Total Amount is formed as General ($115) + Research ($0) + Ownership ($0) = $115.
Last reported payment date: 2024-09-10 • Largest payer in this snapshot: Lexicon Pharmaceuticals, Inc. ($115).
Total Amount
$115
General + Research + Ownership
Payments
1
Total payment records
General Amount
$115
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lexicon Pharmaceuticals, Inc. | $115 |
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: 2024-02-06
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 |
|---|---|---|---|---|
| I20150625001972 | I | Nurse Practitioner | OK | TBD |
| I20240206001519 | I | Nurse Practitioner | TX | 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 |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 14 | 14 | $0 |
| 99441 | Telephone medical discussion with physician, 5-10 minutes | 14 | 13 | $0 |
| 96136 | Administration of psychological or neuropsychological test, first 30 minutes | 12 | 12 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 73044)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Sleep Medicine, Internal Medicine, Pulmonary Disease | OK | |
| Nurse Practitioner | OK | |
| Family Practice | OK |
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