William Kubaska, M.D.
NPI 1548345101 · Internal Medicine Physician · Denver, CO
William Kubaska, M.D. is a Internal Medicine Physician provider in Denver, CO (NPI 1548345101).
Provider details
- NPI number
- 1548345101
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35530 (CO)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
708 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 227 | $127 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 180 | $130 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 101 | $9 |
| Urinalysis, Manual Test81002 | 51 | $3 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 47 | $181 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 117 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 606 | 160 |
| Levothyroxine Sodium | 383 | 99 |
| Amlodipine Besylate | 342 | 85 |
| Lisinopril | 260 | 73 |
| Losartan Potassium | 203 | 53 |
| Zolpidem Tartrate | 178 | 44 |
| Escitalopram Oxalate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 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
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2008-03-17
Frequently asked questions
- What is William Kubaska's NPI number?
- William Kubaska's National Provider Identifier (NPI) is 1548345101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kubaska's specialty?
- William Kubaska is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Kubaska located?
- William Kubaska's practice location on file with NPPES is 4545 E 9th Ave, Denver, CO 80220-3901.
- What is William Kubaska's phone number?
- The practice phone number listed in the NPPES registry for William Kubaska is (303) 320-7340.
- Is William Kubaska's NPI active?
- Yes — William Kubaska's NPI (1548345101) is active in the NPPES registry as of the last update on 2008-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.