Charles Kossman, M.D.
NPI 1184799892 · Hematology & Oncology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Hematology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Kossman, M.D. is a Hematology & Oncology Physician provider in San Diego, CA (NPI 1184799892).
Provider details
- NPI number
- 1184799892
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G28857 (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
- 2006-11-21
- Last updated
- 2012-11-08
Frequently asked questions
- What is Charles Kossman's NPI number?
- Charles Kossman's National Provider Identifier (NPI) is 1184799892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Kossman's specialty?
- Charles Kossman is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Kossman located?
- Charles Kossman's practice location on file with NPPES is 5555 Reservoir Dr, San Diego, CA 92120-5134.
- What is Charles Kossman's phone number?
- The practice phone number listed in the NPPES registry for Charles Kossman is (619) 287-9910.
- Does Charles Kossman accept Medicare?
- Charles Kossman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Kossman's NPI active?
- Yes — Charles Kossman's NPI (1184799892) is active in the NPPES registry as of the last update on 2012-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.