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Diane Hafner, DC
NPI 1073527420 · Chiropractor · Redwood City, CA
Diane Hafner, DC is a Chiropractor provider in Redwood City, CA (NPI 1073527420).
Provider details
- NPI number
- 1073527420
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Female
- Sole proprietor
- No
- License
- 20209 (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
363 B Main St
Sparc Med
Redwood City, CA 94063
Phone: (650) 780-0575
Fax: (650) 780-0587
Street-level locationGet directions
Mailing address
2015 Hull Ave
Redwood City, CA 94061
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Hafner's NPI number?
- Diane Hafner's National Provider Identifier (NPI) is 1073527420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Hafner's specialty?
- Diane Hafner is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Diane Hafner located?
- Diane Hafner's practice location on file with NPPES is 363 B Main St, Redwood City, CA 94063.
- What is Diane Hafner's phone number?
- The practice phone number listed in the NPPES registry for Diane Hafner is (650) 780-0575.
- Is Diane Hafner's NPI active?
- Yes — Diane Hafner's NPI (1073527420) 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.