Diane Buchanan, RN
Registered Nurse · Napa, CA
Diane Buchanan, RN is a registered nurse with a practice address in Napa, California, and NPI 1194842609, issued on Mar 22, 2007. Check the license (California 515558, 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
- Diane Buchanan
- Credential
- RN
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- 515558 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2751 Napa Valley Corporate Dr Bldg A, Napa, CA 94558
- Phone
- (707) 253-4727
- Enumerated
- Mar 22, 2007
- Entity
- Type 1 · individual
Also registered at 2751 Napa Valley Corporate Dr Bldg A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martha AlamilloClinical Social Worker1639200801
- Sashareen ArthurMental Health Counselor1891359659
- Jose AvilaMental Health Counselor1457011702
- Elizabeth Cottingham, MDPsychiatry Physician1881773406
- Louis Doan, D.O.Psychiatry Physician1255674982
- Daniel DudleyRehabilitation Practitioner1336908151
Verify Diane Buchanan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 515558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
108 registered nurse records list a Napa practice address
They are 108 of the 3,583 NPPES records with a Napa practice address, and 16,593 registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 108 in Napa → All 16,593 in California → Every provider in Napa →
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- Tiffanne Aaronsen, FNPIndio, CA1568191807
- Bernadette Marie Abadilla, RNMillbrae, CA1154970697
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- Carla Abalos, RNUnion City, CA1669158523
- Caron Faustino Marti AbalosCerritos, CA1811603327
Common questions
What is Diane Buchanan, RN's NPI number?
Diane Buchanan, RN's National Provider Identifier (NPI) is 1194842609, issued on Mar 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diane Buchanan, RN located?
The NPPES record lists a practice address at 2751 Napa Valley Corporate Dr Bldg A, Napa, CA, 94558. Phone: (707) 253-4727. Providers update this record themselves, so call before visiting.
How can I verify Diane Buchanan, RN's license?
NPPES lists California license number 515558, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.