Ryan Holzwarth, MD
NPI 1437102324 · Dermatology Physician · Chippewa Falls, WI
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Holzwarth, MD is a Dermatology Physician provider in Chippewa Falls, WI (NPI 1437102324).
Provider details
- NPI number
- 1437102324
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 64615 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,284 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) |
|---|---|---|
| Ultrasonic Guidance for Placement of Radiation Therapy FieldsG6001 | 515 | $167 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 1 Treatment Area77280 | 496 | $244 |
| Superficial And/Or Low Voltage Radiation Treatment Delivery77401 | 472 | $37 |
| Therapy Procedure Using Ultraviolet Radiation With Tar Or Petroleum Jelly Application96910 | 419 | $114 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 376 | $86 |
| Biopsy of Related Skin Growth, First Growth11102 | 274 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 178 | 110 |
| Ketoconazole | 162 | 108 |
| Mupirocin | 128 | 115 |
| Triamcinolone Acetonide | 122 | 86 |
| Cephalexin | 53 | 46 |
| Desonide | 51 | 43 |
| Doxycycline Monohydrate | 45 | 28 |
| Prednisone | 38 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (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
Additional practice locations (1)
- 2720 Fairview Ave N Ste 200Roseville, MN 55113-1306Phone: (651) 633-6883Fax: (651) 331-3459
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Frequently asked questions
- What is Ryan Holzwarth's NPI number?
- Ryan Holzwarth's National Provider Identifier (NPI) is 1437102324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Holzwarth's specialty?
- Ryan Holzwarth is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Holzwarth located?
- Ryan Holzwarth's practice location on file with NPPES is 2815 County Highway I, Chippewa Falls, WI 54729-2656.
- What is Ryan Holzwarth's phone number?
- The practice phone number listed in the NPPES registry for Ryan Holzwarth is (715) 438-8255.
- Does Ryan Holzwarth accept Medicare?
- Ryan Holzwarth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Holzwarth's NPI active?
- Yes — Ryan Holzwarth's NPI (1437102324) is active in the NPPES registry as of the last update on 2025-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.