Ronald Liskanich, D.O.
NPI 1245391820 · Procedural Dermatology Physician · Upland, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Liskanich, D.O. is a Procedural Dermatology Physician provider in Upland, CA (NPI 1245391820).
Provider details
- NPI number
- 1245391820
- Entity type
- Individual
- Primary specialty
- Procedural Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A4952 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
3,605 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 | 1,411 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 484 | $93 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 414 | $54 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 393 | $132 |
| Destruction of Skin Growth, 1-14 Growths17110 | 227 | $116 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mupirocin | 156 | 136 |
| Ketoconazole | 143 | 86 |
| Triamcinolone Acetonide | 125 | 90 |
| Clindamycin Phosphate | 56 | 33 |
| Doxycycline Hyclate | 44 | 19 |
| Alclometasone Dipropionate | 38 | 27 |
| Clobetasol Propionate | 38 | 25 |
| Fluorouracil | 30 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,168 across 108 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 (1)
- 954 W Foothill Blvd Ste BUpland, CA 91786Phone: (909) 949-7500Fax: (909) 946-1133
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2018-10-18
Frequently asked questions
- What is Ronald Liskanich's NPI number?
- Ronald Liskanich's National Provider Identifier (NPI) is 1245391820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Liskanich's specialty?
- Ronald Liskanich is listed in the NPPES registry with a primary specialty of Procedural Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Liskanich located?
- Ronald Liskanich's practice location on file with NPPES is 954 W Foothill Blvd Ste B, Upland, CA 91786.
- What is Ronald Liskanich's phone number?
- The practice phone number listed in the NPPES registry for Ronald Liskanich is (909) 949-7500.
- Does Ronald Liskanich accept Medicare?
- Ronald Liskanich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Liskanich's NPI active?
- Yes — Ronald Liskanich's NPI (1245391820) is active in the NPPES registry as of the last update on 2018-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.