OrganizationActive
Ferris Chiropractic, Inc.
NPI 1891837092 · Chiropractor · Sunnyvale, CA
Ferris Chiropractic, Inc. is a Chiropractor organization in Sunnyvale, CA (NPI 1891837092).
Provider details
- NPI number
- 1891837092
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- David Zirkel, President, Owner(408) 736-5590
- License
- DC 20051 (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
519 S Murphy Ave
Sunnyvale, CA 94086-6117
Phone: (408) 736-5590
Fax: (408) 736-1710
Street-level locationGet directions
Mailing address
519 S Murphy Ave
Sunnyvale, CA 94086-6117
Other names (DBA / former)
- Other name
- David A. Zirkel, D.C.
Registry dates
- Enumerated
- 2007-02-13
- Last updated
- 2018-06-21
Frequently asked questions
- What is Ferris Chiropractic, Inc.'s NPI number?
- Ferris Chiropractic, Inc.'s National Provider Identifier (NPI) is 1891837092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ferris Chiropractic, Inc.?
- Ferris Chiropractic, Inc. is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Ferris Chiropractic, Inc. located?
- Ferris Chiropractic, Inc.'s practice location on file with NPPES is 519 S Murphy Ave, Sunnyvale, CA 94086-6117.
- What is Ferris Chiropractic, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Ferris Chiropractic, Inc. is (408) 736-5590.
- Who is the authorized official for Ferris Chiropractic, Inc.?
- The authorized official listed on Ferris Chiropractic, Inc.'s NPPES record is David Zirkel, President, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ferris Chiropractic, Inc.'s NPI active?
- Yes — Ferris Chiropractic, Inc.'s NPI (1891837092) is active in the NPPES registry as of the last update on 2018-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.