Julia Denniston, RN, IBCLC
Lactation Consultant (Registered Nurse) · Danville, CA
Julia Denniston, RN, IBCLC is a lactation consultant (registered nurse) with a practice address in Danville, California, and NPI 1861600082, issued on May 20, 2007. Check the license (California 392957, 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
- Julia Denniston
- Credential
- RN, IBCLC
- Primary taxonomy
- Lactation Consultant (Registered Nurse) 163WL0100X
- License number
- 392957 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4165 Blackhawk Plaza Cir, Danville, CA 94506
- Phone
- (925) 683-1933
- Enumerated
- May 20, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (925) 935-8491
- Entity
- Type 1 · individual
Also registered at 4165 Blackhawk Plaza Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Berdal, P.T.Physical Therapist1952412298
- Elizabeth Buselli, NPAdult Health Nurse Practitioner1457442089
- Christine Chang, M.D.Internal Medicine Physician1770696056
- Chester Cheng, M.D.Plastic and Reconstructive Surgery Physician1497892640
Verify Julia Denniston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 392957Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Lactation Consultant (Registered Nurse) providers in California
There are 443 lactation consultant (registered nurse) records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other lactation consultant (registered nurse) records in California
- Janet Abelson, RNSan Mateo, CA1518422575
- Sandra Adler KillenFairfax, CA1699488130
- Hillary Aguirre, RN, IBCLC, CDRedlands, CA1871446831
- Amy Aiyegbusi, IBCLCWalnut Creek, CA1275204067
- Deborah Albert, PH.D, BSN, IBCLCNapa, CA1508115247
- Bobbi AllisonBerkeley, CA1952033888
- Tracy Alsup, RN, IBCLCLaguna Hills, CA1649020249
- Alyse Andrade, RN IBCLCSanta Maria, CA1104647403
- Ashley Andrew, IBCLCSimi Valley, CA1114872074
- Breanna Andrews, RN, MSN, PHN, IBCLCCosta Mesa, CA1265325476
Common questions
What is Julia Denniston, RN, IBCLC's NPI number?
Julia Denniston, RN, IBCLC's National Provider Identifier (NPI) is 1861600082, issued on May 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Julia Denniston, RN, IBCLC located?
The NPPES record lists a practice address at 4165 Blackhawk Plaza Cir, Danville, CA, 94506. Phone: (925) 683-1933. Providers update this record themselves, so call before visiting.
How can I verify Julia Denniston, RN, IBCLC's license?
NPPES lists California license number 392957, 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.