Ronald Hamrick, MD
NPI 1447542162 · Dermatology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Hamrick, MD is a Dermatology Physician provider in Milwaukee, WI (NPI 1447542162).
Provider details
- NPI number
- 1447542162
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 54105 (TN)
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
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
488 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 | 171 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 88 | $121 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 45 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $86 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 40 | $47 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 38 | 17 |
| Clobetasol Propionate | 27 | 12 |
| Hydrocortisone | 17 | 11 |
| Ketoconazole | 17 | — |
| Prednisone | 17 | — |
| Mycophenolate Mofetil | 13 | — |
| Fluorouracil | 12 | 11 |
| Hydroxychloroquine Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$639 across 29 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
Additional practice locations (2)
- 939 E Emerald Ave Ste 705Knoxville, TN 37917-4573Phone: (865) 524-2547Fax: (865) 524-0224
- 1928 Alcoa Hwy Ste 209Knoxville, TN 37920-1504Phone: (865) 524-2547Fax: (865) 524-0224
Registry dates
- Enumerated
- 2011-05-12
- Last updated
- 2020-11-05
- Certified
- 2020-11-05
Frequently asked questions
- What is Ronald Hamrick's NPI number?
- Ronald Hamrick's National Provider Identifier (NPI) is 1447542162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Hamrick's specialty?
- Ronald Hamrick is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Hamrick located?
- Ronald Hamrick's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Ronald Hamrick's phone number?
- The practice phone number listed in the NPPES registry for Ronald Hamrick is (414) 805-5320.
- Does Ronald Hamrick accept Medicare?
- Ronald Hamrick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Hamrick's NPI active?
- Yes — Ronald Hamrick's NPI (1447542162) is active in the NPPES registry as of the last update on 2020-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.