Robert Travis Neff, M.D.
Nephrology Physician · Casper, WY
Robert Travis Neff, M.D. is a nephrology physician with a practice address in Casper, Wyoming, and NPI 1710086558, issued on Sep 21, 2006. Check the license (Wyoming 8158A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert Travis Neff
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 8158A WY
DR.0068391 CO
Self-reported in NPPES; status is on the state search - Practice location
- 419 S Washington St, Casper, WY 82601
- Phone
- (307) 237-5047
- Enumerated
- Sep 21, 2006
- Record last updated
- May 4, 2022
- Fax
- (307) 235-4017
- Medicare enrollment
- Enrolled (PECOS I20220512001400); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 10 in Wyoming → Look up another NPI →
Also registered at 419 S Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shawn Ficken, PA-CPhysician Assistant1871809699
Verify Robert Travis Neff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 8158ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average nephrology physician in 2024
1,766 Medicare Part D claims for 244 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Lisinopril130 claims
- Losartan Potassium116 claims
- Spironolactone99 claims
- Amlodipine Besylate79 claims
- Calcitriol71 claims
- Allopurinol58 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Catholic Health Initiatives ColoradoDurango, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Travis Neff among 10 nephrology physician records in Wyoming
Robert Travis Neff, M.D. is one of 10 nephrology physician records with a practice address in Wyoming. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 30% of them.
- NPI issued2006 · 30% of these records are older, 50% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Record last updated2022 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Wyoming
There are 10 nephrology physician records in Wyoming.
All 10 in Wyoming → Every provider in Casper → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Eric Sawyers, MDCasper, WY 826011780686188
- Robert Neuwirth, M.D.Gillette, WY 827161891726626
- Lukasz Kiljanek, M.D.Gillette, WY 827181770739641
- Thomas Showers, D.O.Gillette, WY 827181821138272
- Rahul Pawar, MDRock Springs, WY 829011639455090
- Barbara McMullan, MDCheyenne, WY 820091083174601
- Ageselaos Meares, MDCheyenne, WY 820091740264357
- Jean Halpern, MDCheyenne, WY 820011629063094
Common questions
What is Robert Travis Neff, M.D.'s NPI number?
Robert Travis Neff, M.D.'s National Provider Identifier (NPI) is 1710086558, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Travis Neff, M.D. located?
The NPPES record lists a practice address at 419 S Washington St, Casper, WY, 82601. Phone: (307) 237-5047. Providers update this record themselves, so call before visiting.
How can I verify Robert Travis Neff, M.D.'s license?
NPPES lists Wyoming license number 8158A, as entered by the provider. Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Travis Neff, M.D. prescribe under Medicare Part D?
In 2024, Robert Travis Neff, M.D. had 1,766 Medicare Part D claims for 244 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Robert Travis Neff, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.