William David Carroll, M.D.
Internal Medicine Physician · Santa Rosa, CA
William David Carroll, M.D. is an internal medicine physician with a practice address in Santa Rosa, California, and NPI 1922005891, issued on Jul 6, 2005. Check the license (California A39947, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William David Carroll
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A39947 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3536 Mendocino Ave, Santa Rosa, CA 95403
- Phone
- (707) 546-2180
- Enumerated
- Jul 6, 2005
- Record last updated
- Feb 7, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (707) 546-2188
- Medicaid ID
- 00A399470 CA
- Entity
- Type 1 · individual
Also registered at 3536 Mendocino Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patrick Caskey, M.D.Ophthalmology Physician1164425914
- Robert Combs, M.D.Cardiovascular Disease Physician1215934948
- Lawrence Cooper, M.D.Internal Medicine Physician1801895602
- Thomas Dunlap, M.D.Cardiovascular Disease Physician1932106002
Verify William David Carroll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A39947Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98 internal medicine physician records list a practice address in Santa Rosa
They are 98 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 98 in Santa Rosa → All 17,696 in California → Every provider in Santa Rosa →
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Common questions
What is William David Carroll, M.D.'s NPI number?
William David Carroll, M.D.'s National Provider Identifier (NPI) is 1922005891, issued on Jul 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William David Carroll, M.D. located?
The NPPES record lists a practice address at 3536 Mendocino Ave, Santa Rosa, CA, 95403. Phone: (707) 546-2180. Providers update this record themselves, so call before visiting.
How can I verify William David Carroll, M.D.'s license?
NPPES lists California license number A39947, 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.