Quick answers
- Does David Trevarthen accept Medicare assignment?
- Yes. Medicare's clinician data says David Trevarthen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does David Trevarthen see?
- In 2024, CMS data shows 132 Original Medicare patients and 319 services for David Trevarthen. This counts Original Medicare only and measures volume, not quality.
- What is David Trevarthen's NPI number?
- 1225057631. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for David Trevarthen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 132 |
|---|---|
| Services billed to Medicare | 319 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)94 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)44 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)39 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)37 services
- Telephone medical discussion with physician, 11-20 minutes (99442)36 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)32%
- Ischemic heart disease30%
- Diabetes28%
Hospitals where David Trevarthen works
Medicare's Facility Affiliation Data lists David Trevarthen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Hays Medical CenterHays, KS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 170013
- Phillips County HospitalPhillipsburg, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171353
- Rooks County Health CenterPlainville, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171311
- Russell Regional HospitalRussell, KS · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 171350
- University of KS Health System Great Bend CampusGreat Bend, KS · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 170191
Practice locations
Addresses where David Trevarthen is enrolled with Medicare (CMS data updated October 2, 2026).
- 2220 Canterbury Dr, Suite 150Hays, KS 67601 (785) 623‑5774
Group practices
Medicare enrollment lists David Trevarthen as a member of this group (CMS data updated October 2, 2026).
- Hays Medical Center Inc191 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Hays
Clinicians with the same Medicare primary specialty in Hays, KS — not a recommendation.
Other clinicians in Hays Medical Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1974 (52 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1225057631 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians