Katherine Larson, PA C
NPI 1154315133 · Physician Assistant · Crystal, MN
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Larson, PA C is a Physician Assistant provider in Crystal, MN (NPI 1154315133).
Provider details
- NPI number
- 1154315133
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA C
- Sex
- Female
- Sole proprietor
- No
- License
- 9624 (MN)
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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
921 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 328 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 165 | $74 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 114 | $40 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $106 |
| Destruction of Skin Growth, 1-14 Growths17110 | 89 | $95 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 113 | 56 |
| Finasteride | 90 | 31 |
| Betamethasone Dipropionate | 56 | 27 |
| Minoxidil | 48 | 19 |
| Fluocinonide | 41 | 27 |
| Triamcinolone Acetonide | 40 | 32 |
| Fluorouracil | 38 | 36 |
| Dupilumabbrand: Dupixent Pen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$176 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-07
- Last updated
- 2022-01-25
- Certified
- 2022-01-25
Frequently asked questions
- What is Katherine Larson's NPI number?
- Katherine Larson's National Provider Identifier (NPI) is 1154315133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Larson's specialty?
- Katherine Larson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Larson located?
- Katherine Larson's practice location on file with NPPES is 4725 36th Ave N, Crystal, MN 55422-2169.
- What is Katherine Larson's phone number?
- The practice phone number listed in the NPPES registry for Katherine Larson is (218) 208-2058.
- Does Katherine Larson accept Medicare?
- Katherine Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Larson's NPI active?
- Yes — Katherine Larson's NPI (1154315133) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.