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Loretta O'Brien, D.C.
NPI 1801828488 · Chiropractor · Pacifica, CA
Loretta O'Brien, D.C. is a Chiropractor provider in Pacifica, CA (NPI 1801828488).
Provider details
- NPI number
- 1801828488
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Female
- Sole proprietor
- Yes
- License
- DC17871 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(91/100 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
420 Old County Rd
Pacifica, CA 94044-3221
Phone: (650) 359-6800
Fax: (650) 359-6850
Street-level locationGet directions
Mailing address
Po Box 371241
Montara, CA 94037-1241
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Loretta O'Brien's NPI number?
- Loretta O'Brien's National Provider Identifier (NPI) is 1801828488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Loretta O'Brien's specialty?
- Loretta O'Brien is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Loretta O'Brien located?
- Loretta O'Brien's practice location on file with NPPES is 420 Old County Rd, Pacifica, CA 94044-3221.
- What is Loretta O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Loretta O'Brien is (650) 359-6800.
- Is Loretta O'Brien's NPI active?
- Yes — Loretta O'Brien's NPI (1801828488) 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.