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Jeffrey Knowles, D.C.
NPI 1083756290 · Chiropractor · Carlsbad, CA
Jeffrey Knowles, D.C. is a Chiropractor provider in Carlsbad, CA (NPI 1083756290).
Provider details
- NPI number
- 1083756290
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- DC15531 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(90/100 index)
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
590 Laguna Dr
Carlsbad, CA 92008-1607
Phone: (760) 434-6141
Fax: (760) 434-6150
Street-level locationGet directions
Mailing address
Po Box 368
Carlsbad, CA 92018-0368
Registry dates
- Enumerated
- 2007-02-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jeffrey Knowles's NPI number?
- Jeffrey Knowles's National Provider Identifier (NPI) is 1083756290, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Knowles's specialty?
- Jeffrey Knowles is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Jeffrey Knowles located?
- Jeffrey Knowles's practice location on file with NPPES is 590 Laguna Dr, Carlsbad, CA 92008-1607.
- What is Jeffrey Knowles's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Knowles is (760) 434-6141.
- Is Jeffrey Knowles's NPI active?
- Yes — Jeffrey Knowles's NPI (1083756290) 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.