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David Armstrong, D.C.
NPI 1790805372 · Chiropractor · Rancho Santa Margarita, CA
David Armstrong, D.C. is a Chiropractor provider in Rancho Santa Margarita, CA (NPI 1790805372).
Provider details
- NPI number
- 1790805372
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- DC26268 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(89/100 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
31441 Santa Margarita Pkwy
Suite A#156
Rancho Santa Margarita, CA 92688-1836
Phone: (949) 795-9196
Fax: (949) 583-9018
Approximate (ZIP-level) locationGet directions
Mailing address
31441 Santa Margarita Pkwy
Rancho Santa Margarita, CA 92688-1836
Registry dates
- Enumerated
- 2007-03-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Armstrong's NPI number?
- David Armstrong's National Provider Identifier (NPI) is 1790805372, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Armstrong's specialty?
- David Armstrong is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is David Armstrong located?
- David Armstrong's practice location on file with NPPES is 31441 Santa Margarita Pkwy, Rancho Santa Margarita, CA 92688-1836.
- What is David Armstrong's phone number?
- The practice phone number listed in the NPPES registry for David Armstrong is (949) 795-9196.
- Is David Armstrong's NPI active?
- Yes — David Armstrong's NPI (1790805372) 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.