Karl Katterjohn, P.A.
NPI 1851340186 · Medical Physician Assistant · Silver Spring, MD
Karl Katterjohn, P.A. is a Medical Physician Assistant provider in Silver Spring, MD (NPI 1851340186).
Provider details
- NPI number
- 1851340186
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- License
- C0000435 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-05-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karl Katterjohn's NPI number?
- Karl Katterjohn's National Provider Identifier (NPI) is 1851340186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Katterjohn's specialty?
- Karl Katterjohn is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karl Katterjohn located?
- Karl Katterjohn's practice location on file with NPPES is 9039 Sligo Creek Pkwy, Silver Spring, MD 20901-3301.
- What is Karl Katterjohn's phone number?
- The practice phone number listed in the NPPES registry for Karl Katterjohn is (301) 792-4484.
- Is Karl Katterjohn's NPI active?
- Yes — Karl Katterjohn's NPI (1851340186) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.