Ammon Larsen, M.D.
Dermatology · Loveland, CO
At a glance
4025 St Cloud Dr Ste 110, Loveland, CO 80538-8960
Published activity: Melanoma (skin cancer) excision · Removal of skin lesions · Removal or shaving of skin growth. View counts and coverage
NPPES record updated Sep 3, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
4025 St Cloud Dr Ste 110Loveland, CO 80538-8960
Additional reported practice locations
2121 E Harmony Rd Unit 310Fort Collins, CO 805283403
Phone: 9706670304
Fax: 9706695153 1405 S 8Th Ave Ste 102
Sterling, CO 807514560
Phone: 9708009330
Fax: 7209274301
Education & affiliations
- Medical / professional school
- Pennsylvania State University College Of Medicine
- Graduation year
- 2013
- CMS specialties
- Dermatology
Practice groups
Reported hospital affiliations
- Medical Center Of The Rockies Loveland, CO
- Sterling Regional Medcenter Sterling, CO
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Melanoma (skin cancer) excision | 25 |
| Removal of skin lesions | 1777 |
| Removal or shaving of skin growth | 16 |
| Skin biopsy | 411 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Services other than consulting | $234,015.60 |
| Consulting fee | $29,655.30 |
| Travel and lodging | $14,797.58 |
| Honoraria | $13,200.00 |
| Food and beverage | $7,500.28 |
| Education | $90.00 |
Reporting companies
| Company | Amount |
|---|---|
| GALDERMA LABORATORIES, L.P. | $72,509.32 |
| LILLY USA, LLC | $60,493.28 |
| UCB, INC. | $55,789.30 |
| ABBVIE INC. | $45,455.26 |
| GENZYME CORPORATION | $23,131.90 |
| ORGANON LLC | $15,977.80 |
| LEO PHARMA INC. | $10,090.14 |
| REGENERON HEALTHCARE SOLUTIONS, INC. | $7,650.29 |
| Other reporting companies | $8,161.47 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Dermatology
- Taxonomy code
- 207N00000X
- Enumeration date
- Jul 3, 2013
- Record updated
- Sep 3, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207NS0135X
License reported: 0058495 CO
207N00000X · Primary
License reported: 0058495 CO
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4025 St Cloud Dr Ste 110Loveland, CO 80538-8960
- Phone
- (970) 667-0304
- Fax
- (970) 669-5153
Mailing address
4025 ST CLOUD DR STE 110LOVELAND, CO 805388960
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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