Salvador Alejo, MD PHD
NPI 1366331191 · Clinical Pathology Physician · Saint Louis, MO
Enrolled with Medicare as Order and Referring Only - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Salvador Alejo, MD PHD is a Clinical Pathology Physician provider in Saint Louis, MO (NPI 1366331191).
Provider details
- NPI number
- 1366331191
- Entity type
- Individual
- Primary specialty
- Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 2025025932 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-06-27
- Last updated
- 2025-06-27
- Certified
- 2025-06-27
Frequently asked questions
- What is Salvador Alejo's NPI number?
- Salvador Alejo's National Provider Identifier (NPI) is 1366331191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Salvador Alejo's specialty?
- Salvador Alejo is listed in the NPPES registry with a primary specialty of Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Salvador Alejo located?
- Salvador Alejo's practice location on file with NPPES is 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110-1003.
- What is Salvador Alejo's phone number?
- The practice phone number listed in the NPPES registry for Salvador Alejo is (314) 747-3000.
- Does Salvador Alejo accept Medicare?
- Salvador Alejo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Salvador Alejo's NPI active?
- Yes — Salvador Alejo's NPI (1366331191) is active in the NPPES registry as of the last update on 2025-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.