Quick answers
- Does Donald P. Marion accept Medicare assignment?
- Yes. Medicare's clinician data says Donald P. Marion 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 Donald P. Marion see?
- In 2024, CMS data shows 55 Original Medicare patients and 155 services for Donald P. Marion. This counts Original Medicare only and measures volume, not quality.
- What is Donald P. Marion's NPI number?
- 1972999498. 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 Donald P. Marion, 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 | 55 |
|---|---|
| Services billed to Medicare | 155 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)19 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)17 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 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 pressure64%
- High cholesterol62%
- Arthritis51%
Practice locations
Addresses where Donald P. Marion is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 22310 FM 529 Rd, Suite 200Cypress, TX 77433 (346) 429‑5639
- 2402 Bay Area Blvd, Suite MHouston, TX 77058 (832) 650‑0604
- 6340 N Eldridge Pkwy, Suite OHouston, TX 77041 (346) 385‑9181
- 6445 FM 1463 Rd, Suite 230Katy, TX 77494 (281) 990‑6890
- 6777 Woodlands Pkwy, Suite 300The Woodlands, TX 77382 (281) 429‑8698
Group practices
Medicare enrollment lists Donald P. Marion as a member of this group (CMS data updated October 2, 2026).
- Doctors Express of the Beaumont Area PA210 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Cypress
Clinicians with the same Medicare primary specialty in Cypress, TX — not a recommendation.
Other clinicians in Doctors Express of the Beaumont Area PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972999498 |
| 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