Diana Losak, PA-C
NPI 1598008690 · Physician Assistant · Plano, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Losak, PA-C is a Physician Assistant provider in Plano, TX (NPI 1598008690).
Provider details
- NPI number
- 1598008690
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA08206 (TX)
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
13 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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 22 | 22 |
| Mupirocin | 21 | 17 |
| Doxycycline Hyclate | 20 | 12 |
| Desonide | 17 | 13 |
| Dupilumabbrand: Dupixent Pen | 15 | — |
| Clobetasol Propionate | 13 | — |
| Mometasone Furoate | 13 | 13 |
| Doxycycline Monohydrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,480 across 117 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
- 2013-03-27
- Last updated
- 2022-04-05
- Certified
- 2022-04-05
Frequently asked questions
- What is Diana Losak's NPI number?
- Diana Losak's National Provider Identifier (NPI) is 1598008690, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Losak's specialty?
- Diana Losak is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Losak located?
- Diana Losak's practice location on file with NPPES is 4716 Alliance Boulevard, Plano, TX 75093-5389.
- What is Diana Losak's phone number?
- The practice phone number listed in the NPPES registry for Diana Losak is (469) 800-6069.
- Does Diana Losak accept Medicare?
- Diana Losak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Losak's NPI active?
- Yes — Diana Losak's NPI (1598008690) is active in the NPPES registry as of the last update on 2022-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.