Kathleen Williams, DO
Pulmonary Disease Physician · Weaverville, CA
Kathleen Williams, DO is a pulmonary disease physician with a practice address in Weaverville, California, and NPI 1164480224, issued on May 1, 2006. Check the license (California 20A9620, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Kathleen Williams
- Credential
- DO
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 20A9620 CA
DO25468 OR
Self-reported in NPPES; status is on the state search - Practice location
- 31 Easter Ave, Weaverville, CA 96093
- Phone
- (530) 623-4186
- Enumerated
- May 1, 2006
- Record last updated
- May 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 31 Easter Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Baracco, CNM NPAdvanced Practice Midwife1255429528
- Randall Meredith, M.D.Family Medicine Physician1932177045
- Anna Russell, FNPFamily Nurse Practitioner1003578642
Verify Kathleen Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Kathleen Williams among 1,443 pulmonary disease physician records in California
Kathleen Williams, DO is one of 1,443 pulmonary disease physician records with a practice address in California. 84% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileNo · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,443 in California → Every provider in Weaverville → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Richard Ragsdale, M.D.Red Bluff, CA 960801861493173
- Michael Cleary, M.D.Redding, CA 960011548374952
- Lang Dayton, M.D.Redding, CA 960011619988698
- Nicholas Germano, DORedding, CA 960011801328786
- Muna Omar, MDRedding, CA 960011851670335
- Ronald Reodica, M.DRedding, CA 960011659397537
- Steven Struve, M.D.Redding, CA 960011225040298
- Everett Trevor, MDRedding, CA 960011104931179
Common questions
What is Kathleen Williams, DO's NPI number?
Kathleen Williams, DO's National Provider Identifier (NPI) is 1164480224, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Williams, DO located?
The NPPES record lists a practice address at 31 Easter Ave, Weaverville, CA, 96093. Phone: (530) 623-4186. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Williams, DO's license?
NPPES lists California license number 20A9620, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.