John Glassco, M.D.
NPI 1669466215 · Anatomic Pathology & Clinical Pathology Physician · Los Angeles, CA
John Glassco, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Los Angeles, CA (NPI 1669466215).
Provider details
- NPI number
- 1669466215
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A41222 (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
20 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
- 2005-09-08
- Last updated
- 2009-06-17
Frequently asked questions
- What is John Glassco's NPI number?
- John Glassco's National Provider Identifier (NPI) is 1669466215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Glassco's specialty?
- John Glassco is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is John Glassco located?
- John Glassco's practice location on file with NPPES is 10833 Le Conte Ave, Los Angeles, CA 90095-3075.
- What is John Glassco's phone number?
- The practice phone number listed in the NPPES registry for John Glassco is (310) 794-1355.
- Is John Glassco's NPI active?
- Yes — John Glassco's NPI (1669466215) is active in the NPPES registry as of the last update on 2009-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.