Alexander Castiello, MD
NPI 1780628313 · Anatomic Pathology & Clinical Pathology Physician · Mount Vernon, WA
Provider details
- NPI number
- 1780628313
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 192330 (AK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 3548 Meridian St Ste 101Bellingham, WA 98225-1710Phone: (360) 734-2800Fax: (360) 734-3818
- 3614 Meridian St Ste 100Bellingham, WA 98225-1748Phone: (360) 734-2800Fax: (360) 734-3818
Registry dates
- Enumerated
- 2006-06-15
- Last updated
- 2022-06-14
- Certified
- 2022-06-14
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.