Quick answers
- Does Pierre M. Diomi accept Medicare assignment?
- Yes. Medicare's clinician data says Pierre M. Diomi 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 Pierre M. Diomi see?
- In 2024, CMS data shows 106 Original Medicare patients and 601 services for Pierre M. Diomi. This counts Original Medicare only and measures volume, not quality.
- What is Pierre M. Diomi's NPI number?
- 1619521051. 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 Pierre M. Diomi, 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 | 106 |
|---|---|
| Services billed to Medicare | 601 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)129 services
- Injection of drug or substance under skin or into muscle (96372)42 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)41 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)40 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)24 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 cholesterol65%
- High blood pressure64%
- Arthritis44%
- Diabetes24%
- Anxiety20%
- Chronic kidney disease19%
Practice locations
Addresses where Pierre M. Diomi is enrolled with Medicare (CMS data updated October 2, 2026).
- 10076 Dumfries Rd, 80aManassas, VA 20110 (703) 424‑9911
- 10078 Dumfries Rd, 80aManassas, VA 20110
Group practices
Medicare enrollment lists Pierre M. Diomi as a member of this group (CMS data updated October 2, 2026).
- Valley Patient Care Inc2 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Manassas
Clinicians with the same Medicare primary specialty in Manassas, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 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) | 1619521051 |
| 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