Quick answers
- Does Holly C. Grigsby accept Medicare assignment?
- Yes. Medicare's clinician data says Holly C. Grigsby 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 Holly C. Grigsby see?
- In 2024, CMS data shows 60 Original Medicare patients and 1,888 services for Holly C. Grigsby. This counts Original Medicare only and measures volume, not quality.
- What is Holly C. Grigsby's NPI number?
- 1326138470. 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 Holly C. Grigsby, 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 | 60 |
|---|---|
| Services billed to Medicare | 1,888 |
| Different services or procedures | 26 |
| 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)124 services
- Insertion of needle into vein for collection of blood sample (36415)76 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)64 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)42 services
- Annual depression screening, 5 to 15 minutes (G0444)33 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%
- Diabetes55%
- Arthritis40%
- Depression33%
- Anxiety30%
Hospitals where Holly C. Grigsby works
Medicare's Facility Affiliation Data lists Holly C. Grigsby 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.
- Indian Path Community HospitalKingsport, TN · Acute Care Hospital · Emergency services: listed by Medicare · CCN 440176
- Johnson City Medical CenterJohnson City, TN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 440063
- Wellmont Holston Valley Medical CenterKingsport, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440017
Practice locations
Addresses where Holly C. Grigsby is enrolled with Medicare (CMS data updated October 2, 2026).
- 4862 Dickenson HwyClintwood, VA 24228
- 4862 Dickenson Hwy, PO Box 1810Clintwood, VA 24228
- 698 Clinchfield St, Suite 2Kingsport, TN 37660
Group practices
Medicare enrollment lists Holly C. Grigsby as a member of this group (CMS data updated October 2, 2026).
- Dominion Health and Fitness, Inc71 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Virginia
Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.
Other clinicians in Dominion Health and Fitness, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326138470 |
| 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