DR. AMMON LARSEN (M.D.) – Dermatology Physician, NPI 1982044012
Dermatology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
364 DERMATOLOGY in CO
Provider Addresses for DR. AMMON LARSEN (M.D.)
1615 FOXTRAIL DR STE 100
LOVELAND, CO 805389087
Phone: (708) 009-3309
Fax: (720) 927-4301
Type: Location
PO BOX 731
LOVELAND, CO 805390731
Phone: (970) 663-2742
Fax: (970) 342-2093
Type: Mailing
3451 MOUNTAIN LION DR
LOVELAND, CO 805378817
Phone: (970) 800-9330
Fax: (720) 927-4301
Type: Location
1405 S 8th Ave Ste 102
Sterling, CO 807514560
Phone: (970) 800-9330
Fax: (720) 927-4301
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 474 Open Payments records for all available years, with a total value of $197,289.
Total Amount is formed as General ($197,289) + Research ($0) + Ownership ($0) = $197,289.
Last reported payment date: 2024-12-26 • Largest payer in this snapshot: ABBVIE INC. ($69,616).
Total Amount
$197,289
General + Research + Ownership
Payments
474
Total payment records
General Amount
$197,289
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $69,616 |
| UCB, Inc. | $40,099 |
| GENZYME CORPORATION | $30,712 |
| Lilly USA, LLC | $19,914 |
| Regeneron Healthcare Solutions, Inc. | $19,292 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-07-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170703000738 | I | Dermatology | CO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 1,802 | 334 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 664 | 465 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 602 | 456 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 443 | 317 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 320 | 271 | $0 |
Insurance plans in this area (ZIP 80538)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Dermatology, Micrographic Dermatologic Surgery (Mds) | CO | |
| Physician Assistant | CO | |
| D E R M A T O L O G Y | TX | |
| Physician Assistant | CO |
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