DR. ROBERT TRAVIS NEFF (M.D.) – Nephrology Physician, NPI 1710086558
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10 NEPHROLOGY in WY
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Provider Addresses for DR. ROBERT TRAVIS NEFF (M.D.)
419, South Washington Street, Casper, Natrona County, Wyoming, 82601, United States
SUITE 102
CASPER, WY 826012951
Phone: (307) 237-5047
Fax: (307) 235-4017
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 4 Open Payments records for all available years, with a total value of $91.
Total Amount is formed as General ($91) + Research ($0) + Ownership ($0) = $91.
Last reported payment date: 2023-11-16 • Largest payer in this snapshot: Baxter Healthcare ($49).
Total Amount
$91
General + Research + Ownership
Payments
4
Total payment records
General Amount
$91
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Baxter Healthcare | $49 |
| Travere Therapeutics, Inc. | $42 |
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: 2022-05-12
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 |
|---|---|---|---|---|
| I20220512001400 | I | Nephrology | CO | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 343 | 206 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 119 | 59 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 70 | 37 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 54 | 50 | $0 |
| 81000 | Manual urinalysis test with examination using microscope, non-automated | 48 | 48 | $0 |
Insurance plans in this area (ZIP 82601)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | WY | 90966 | Home dialysis services per month, patient 20 years of age or older | 85 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CO | |
| Radiation Oncology | TX | |
| - | CO | |
| Hospitalist, General Practice, Family Practice | CO | |
| Cardiovascular Disease (Cardiology) | NM | |
| Family Practice | OK | |
| Internal Medicine | CO | |
| - | IL | |
| H E M A T O L O G Y/ O N C O L O G Y | TX | |
| Internal Medicine | PA |
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