Registry data as of Aug 27, 2026

Kathy Natan, IBCLC

Lactation Consultant (Registered Nurse) · Berkeley, CA

Kathy Natan, IBCLC is a lactation consultant (registered nurse) with a practice address in Berkeley, California, and NPI 1437729423, issued on Jun 30, 2021. Check the license (California RN95159940, 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.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1437729423
Name
Kathy Natan
Credential
IBCLC
Primary taxonomy
Lactation Consultant (Registered Nurse) 163WL0100X
License number
RN95159940 CA
Self-reported in NPPES; status is on the state search
Practice location
2450 Ashby Ave RM 1190, Berkeley, CA 94705
Phone
(510) 204-6546
Enumerated
Jun 30, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2450 Ashby Ave RM 1190

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Chelsea AtterburyLactation Consultant (Registered Nurse)1124794813
  2. Cathy Booth, RNC IBCLC CIMILactation Consultant (Registered Nurse)1326619149
  3. Gemilyn Bringas, BSN, RN, PHN, IBCLCLactation Consultant (Registered Nurse)1366013195

Verify Kathy Natan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license RN95159940
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Lactation Consultant (Registered Nurse) providers in California

There are 434 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

  1. Janet Abelson, RNSan Mateo, CA1518422575
  2. Shelby Abramson, FNP, IBCLCChula Vista, CA1598239881
  3. Sandra Adler KillenFairfax, CA1699488130
  4. Hillary Aguirre, RN, IBCLC, CDRedlands, CA1871446831
  5. Amy Aiyegbusi, IBCLCWalnut Creek, CA1275204067
  6. Deborah Albert, PH.D, BSN, IBCLCNapa, CA1508115247
  7. Bobbi AllisonBerkeley, CA1952033888
  8. Tracy Alsup, RN, IBCLCLaguna Hills, CA1649020249
  9. Trina Ammar, RN, IBCLCPacific Grove, CA1972786796
  10. Alyse Andrade, RN IBCLCSanta Maria, CA1104647403

Common questions

What is Kathy Natan, IBCLC's NPI number?

Kathy Natan, IBCLC's National Provider Identifier (NPI) is 1437729423, issued on Jun 30, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Kathy Natan, IBCLC located?

The NPPES record lists a practice address at 2450 Ashby Ave RM 1190, Berkeley, CA, 94705. Phone: (510) 204-6546. Providers update this record themselves, so call before visiting.

How can I verify Kathy Natan, IBCLC's license?

NPPES lists California license number RN95159940, 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.