William Keith Modenbach, DC
Chiropractor · Walnut Creek, CA
William Keith Modenbach, DC is a chiropractor with a practice address in Walnut Creek, California, and NPI 1720149487, issued on Dec 13, 2006. Check the license (California 19538, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Keith Modenbach
- Credential
- DC
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 19538 CA
Self-reported in NPPES; status is on the state search - Practice location
- 43 Quail Court, Walnut Creek, CA 94596
- Phone
- (925) 944-1478
- Enumerated
- Dec 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Also registered at 43 Quail Court
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Keith Modenbach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 19538Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Keith Modenbach among 11,498 chiropractor records in California
William Keith Modenbach, DC is one of 11,498 chiropractor records with a practice address in California. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 25% of these records are
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 chiropractor records list a practice address in Walnut Creek
They are 60 of the 6,170 NPPES records with a practice address in Walnut Creek, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11,498 in California → Every provider in Walnut Creek → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Jerry Botsford, D.C.Walnut Creek, CA 945961871703983
- Lauren Elkind, DCWalnut Creek, CA 945961023016938
- Lynette Hendricks, D.C.Walnut Creek, CA 945961922218098
- Brandon Holmes, D.C.Walnut Creek, CA 945961275527384
- Sada Anand Miller, D.C.Walnut Creek, CA 945961700815289
- Brenda Parsons, D.C.Walnut Creek, CA 945961265575450
- Earle Paynton, D.C.Walnut Creek, CA 945961952470916
- Susan Salem, DCWalnut Creek, CA 945961801939525
Common questions
What is William Keith Modenbach, DC's NPI number?
William Keith Modenbach, DC's National Provider Identifier (NPI) is 1720149487, issued on Dec 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Keith Modenbach, DC located?
The NPPES record lists a practice address at 43 Quail Court, Walnut Creek, CA, 94596. Phone: (925) 944-1478. Providers update this record themselves, so call before visiting.
How can I verify William Keith Modenbach, DC's license?
NPPES lists California license number 19538, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.