Henry Slosser, MD
NPI 1881622470 · Anatomic Pathology & Clinical Pathology Physician · Pasadena, CA
Henry Slosser, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Pasadena, CA (NPI 1881622470).
Provider details
- NPI number
- 1881622470
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- WG36885 (CA)
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
19 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-30
- Last updated
- 2013-03-29
Frequently asked questions
- What is Henry Slosser's NPI number?
- Henry Slosser's National Provider Identifier (NPI) is 1881622470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Slosser's specialty?
- Henry Slosser is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Henry Slosser located?
- Henry Slosser's practice location on file with NPPES is 100 W California Blvd, Pasadena, CA 91105-3010.
- What is Henry Slosser's phone number?
- The practice phone number listed in the NPPES registry for Henry Slosser is (626) 397-5000.
- Is Henry Slosser's NPI active?
- Yes — Henry Slosser's NPI (1881622470) is active in the NPPES registry as of the last update on 2013-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.