Quick answers
- Does William G. Larsen accept Medicare assignment?
- Yes. Medicare's clinician data says William G. Larsen 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 William G. Larsen see?
- In 2024, CMS data shows 335 Original Medicare patients and 1,018 services for William G. Larsen. This counts Original Medicare only and measures volume, not quality.
- What is William G. Larsen's NPI number?
- 1164483004. 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 William G. Larsen, 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 | 335 |
|---|---|
| Services billed to Medicare | 1,018 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)242 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)189 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)154 services
- Annual depression screening, 5 to 15 minutes (G0444)112 services
- Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)52 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 cholesterol74%
- Arthritis38%
- Diabetes31%
- Chronic kidney disease30%
- Ischemic heart disease25%
Hospitals where William G. Larsen works
Medicare's Facility Affiliation Data lists William G. Larsen 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.
- CaroMont Regional Medical CenterGastonia, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340032
- Novant Health Huntersville Medical CenterHuntersville, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340183
- Novant Health Presbyterian Medical CenterCharlotte, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340053
Practice locations
Addresses where William G. Larsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 7920 Moores Chapel RdCharlotte, NC 28214 (704) 926‑7800
Group practices
Medicare enrollment lists William G. Larsen as a member of this group (CMS data updated October 2, 2026).
- Northwest Family Physicians PA4 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Charlotte
Clinicians with the same Medicare primary specialty in Charlotte, NC — not a recommendation.
Other clinicians in Northwest Family Physicians PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Brody School Of Medicine At East Carolina University |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164483004 |
| 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