Alexus Sieger, PA-C
NPI 1891229464 · Physician Assistant · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexus Sieger, PA-C is a Physician Assistant provider in Pittsburgh, PA (NPI 1891229464).
Provider details
- NPI number
- 1891229464
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- MA058889 (PA)
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 tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 348 | 90 |
| Lamotrigine | 199 | 50 |
| Lacosamide | 138 | 31 |
| Zonisamide | 120 | 27 |
| Oxcarbazepine | 93 | 22 |
| Cenobamatebrand: Xcopri | 84 | 13 |
| Clonazepam | 80 | 15 |
| Topiramate | 62 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-20
- Last updated
- 2021-06-10
- Certified
- 2021-06-10
Frequently asked questions
- What is Alexus Sieger's NPI number?
- Alexus Sieger's National Provider Identifier (NPI) is 1891229464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexus Sieger's specialty?
- Alexus Sieger is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexus Sieger located?
- Alexus Sieger's practice location on file with NPPES is 3471 5th Ave Ste 810, Pittsburgh, PA 15213-3206.
- What is Alexus Sieger's phone number?
- The practice phone number listed in the NPPES registry for Alexus Sieger is (412) 692-4920.
- Does Alexus Sieger accept Medicare?
- Alexus Sieger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexus Sieger's NPI active?
- Yes — Alexus Sieger's NPI (1891229464) is active in the NPPES registry as of the last update on 2021-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.