Mark D'Alesio, MD
NPI 1659063543 · Student in an Organized Health Care Education/Training Program · Pittsburgh, PA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark D'Alesio, MD is a Student in an Organized Health Care Education/Training Program provider in Pittsburgh, PA (NPI 1659063543).
Provider details
- NPI number
- 1659063543
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-05-22
- Last updated
- 2023-06-21
- Certified
- 2023-06-21
Frequently asked questions
- What is Mark D'Alesio's NPI number?
- Mark D'Alesio's National Provider Identifier (NPI) is 1659063543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark D'Alesio's specialty?
- Mark D'Alesio is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Mark D'Alesio located?
- Mark D'Alesio's practice location on file with NPPES is 5200 Centre Ave, Pittsburgh, PA 15232-1300.
- What is Mark D'Alesio's phone number?
- The practice phone number listed in the NPPES registry for Mark D'Alesio is (412) 623-2458.
- Does Mark D'Alesio accept Medicare?
- Mark D'Alesio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark D'Alesio's NPI active?
- Yes — Mark D'Alesio's NPI (1659063543) is active in the NPPES registry as of the last update on 2023-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.