William Ballas, PA-C
NPI 1902844269 · Surgical Physician Assistant · Centennial, CO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ballas, PA-C is a Surgical Physician Assistant provider in Centennial, CO (NPI 1902844269).
Provider details
- NPI number
- 1902844269
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 1715 (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 176 | 48 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 135 | 46 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 115 | 34 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 101 | 19 |
| Gabapentin | 85 | 29 |
| Buprenorphine | 83 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,120 across 48 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
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2023-03-07
Frequently asked questions
- What is William Ballas's NPI number?
- William Ballas's National Provider Identifier (NPI) is 1902844269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ballas's specialty?
- William Ballas is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Ballas located?
- William Ballas's practice location on file with NPPES is 15530 E. Broncos Parkway, Centennial, CO 80112-7111.
- What is William Ballas's phone number?
- The practice phone number listed in the NPPES registry for William Ballas is (720) 851-2000.
- Does William Ballas accept Medicare?
- William Ballas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ballas's NPI active?
- Yes — William Ballas's NPI (1902844269) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.