Quick answers
- Does Clayton A. Allen accept Medicare assignment?
- Yes. Medicare's clinician data says Clayton A. Allen 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 Clayton A. Allen see?
- In 2024, CMS data shows 83 Original Medicare patients and 390 services for Clayton A. Allen. This counts Original Medicare only and measures volume, not quality.
- What is Clayton A. Allen's NPI number?
- 1811471188. 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 Clayton A. Allen, 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 | 83 |
|---|---|
| Services billed to Medicare | 390 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)160 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)32 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)27 services
- Injection of drug or substance under skin or into muscle (96372)25 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)19 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 cholesterol75%
- High blood pressure73%
- Arthritis49%
- Diabetes34%
- Anxiety33%
- Chronic kidney disease23%
Practice locations
Addresses where Clayton A. Allen is enrolled with Medicare (CMS data updated October 2, 2026).
- 520 E 6th StOdessa, TX 79761 (888) 264‑0330
Group practices
Medicare enrollment lists Clayton A. Allen as a member of this group (CMS data updated October 2, 2026).
- Concord Medical Group of Texas PLLC321 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Odessa
Clinicians with the same Medicare primary specialty in Odessa, TX — not a recommendation.
Other clinicians in Concord Medical Group of Texas PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811471188 |
| 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
- 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