TAMMY ANN WILLINGHAM LOOMIS – Family Nurse Practitioner, NPI 1770937260
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 TAMMY ANN WILLINGHAM LOOMIS
400 NE 12TH ST
GUYMON, OK 739423655
Phone: (405) 387-3838
Fax: (405) 387-3822
Type: Mailing
300 NW 32ND ST
NEWCASTLE, OK 730656300
Phone: (405) 387-3838
Fax: (405) 387-3822
Type: Location
1220 7TH ST
WOODWARD, OK 738013202
Phone: (580) 290-5112
Fax: (580) 254-3136
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 24 Open Payments records for all available years, with a total value of $698.
Total Amount is formed as General ($698) + Research ($0) + Ownership ($0) = $698.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: ABBVIE INC. ($327).
Total Amount
$698
General + Research + Ownership
Payments
24
Total payment records
General Amount
$698
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $327 |
| AstraZeneca Pharmaceuticals LP | $268 |
| Xeris Pharmaceuticals, Inc. | $53 |
| GlaxoSmithKline, LLC. | $30 |
| Novo Nordisk Inc | $20 |
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: 2016-07-07
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 |
|---|---|---|---|---|
| I20160707001113 | I | Nurse Practitioner | OK | 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 |
|---|---|---|---|---|
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 198 | 27 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 188 | 78 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 114 | 70 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 101 | 49 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 64 | 44 | $0 |
Insurance plans in this area (ZIP 73942)
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