Joseph Larson
NPI 1679226021 · Family Nurse Practitioner · Greenville, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Larson is a Family Nurse Practitioner provider in Greenville, SC (NPI 1679226021).
Provider details
- NPI number
- 1679226021
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 25754 (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
275 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 104 | $72 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 63 | $88 |
| Automated Urinalysis Test81003 | 22 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 16 | $41 |
| X-Ray of Chest, 2 Views71046 | 15 | $26 |
| Detection Test By Nucleic Acid for Multiple Types Influenza Virus87502 | 15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 36 | 33 |
| Prednisone | 32 | 32 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 | 19 |
| Cefdinir | 19 | 16 |
| Azithromycin | 17 | 16 |
| Cephalexin | 14 | 13 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-01-26
- Last updated
- 2022-01-26
- Certified
- 2022-01-26
Frequently asked questions
- What is Joseph Larson's NPI number?
- Joseph Larson's National Provider Identifier (NPI) is 1679226021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Larson's specialty?
- Joseph Larson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joseph Larson located?
- Joseph Larson's practice location on file with NPPES is 649a Haywood Rd, Greenville, SC 29607-2719.
- What is Joseph Larson's phone number?
- The practice phone number listed in the NPPES registry for Joseph Larson is (864) 537-0003.
- Does Joseph Larson accept Medicare?
- Joseph Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Larson's NPI active?
- Yes — Joseph Larson's NPI (1679226021) is active in the NPPES registry as of the last update on 2022-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.