Seth Larsen, DO, ABFM, CSCS
NPI 1447633110 · Family Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Seth Larsen, DO, ABFM, CSCS is a Family Medicine Physician provider in Phoenix, AZ (NPI 1447633110).
Provider details
- NPI number
- 1447633110
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO, ABFM, CSCS
- Sex
- Male
- Sole proprietor
- No
- License
- 008324 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
852 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 | 229 | $89 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 125 | $125 |
| Automated Urinalysis Test81003 | 95 | $2 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 94 | $109 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 59 | $163 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 94 | 93 |
| Prednisone | 90 | 88 |
| Ipratropium Bromide | 65 | 63 |
| Cefdinir | 56 | 55 |
| Cephalexin | 38 | 38 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 27 |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 26 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-30
- Last updated
- 2024-10-18
- Certified
- 2024-10-18
Frequently asked questions
- What is Seth Larsen's NPI number?
- Seth Larsen's National Provider Identifier (NPI) is 1447633110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seth Larsen's specialty?
- Seth Larsen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Seth Larsen located?
- Seth Larsen's practice location on file with NPPES is 18404 N Tatum Blvd, Phoenix, AZ 85032-1510.
- What is Seth Larsen's phone number?
- The practice phone number listed in the NPPES registry for Seth Larsen is (602) 485-7475.
- Does Seth Larsen accept Medicare?
- Seth Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Seth Larsen's NPI active?
- Yes — Seth Larsen's NPI (1447633110) is active in the NPPES registry as of the last update on 2024-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.