Quick answers
- Does Colleen J. Mattocks accept Medicare assignment?
- Yes. Medicare's clinician data says Colleen J. Mattocks 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 Colleen J. Mattocks see?
- In 2024, CMS data shows 354 Original Medicare patients and 1,924 services for Colleen J. Mattocks. This counts Original Medicare only and measures volume, not quality.
- What is Colleen J. Mattocks's NPI number?
- 1134387830. 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 Colleen J. Mattocks, 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 | 354 |
|---|---|
| Services billed to Medicare | 1,924 |
| Different services or procedures | 56 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)701 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)422 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)101 services
- Administration of influenza virus vaccine (G0008)94 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)79 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 pressure74%
- Arthritis44%
- Diabetes31%
- Anxiety27%
- Ischemic heart disease21%
Hospitals where Colleen J. Mattocks works
Medicare's Facility Affiliation Data lists Colleen J. Mattocks 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.
- Carilion Medical CenterRoanoke, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490024
- Carilion New River Valley Medical CenterChristiansburg, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490042
- Lewisgale Medical CenterSalem, VA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 490048
Practice locations
Addresses where Colleen J. Mattocks is enrolled with Medicare (CMS data updated October 2, 2026).
- 2900 Lamb Cir, Suite 250Christiansburg, VA 24073 (540) 639‑9071
- 388 Ben Bolt AveTazewell, VA 24651 (276) 988‑2506
Group practices
Medicare enrollment lists Colleen J. Mattocks as a member of these groups (CMS data updated October 2, 2026).
- Carilion Medical Center977 clinicians in the group
- Carilion Healthcare Corporation536 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Christiansburg
Clinicians with the same Medicare primary specialty in Christiansburg, VA — not a recommendation.
Other clinicians in Carilion Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134387830 |
| 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