NPPES file of Aug 9, 2026

Erin Geng, OTR/L, IBCLC

Lactation Consultant (Non-RN) · Castro Valley, CA

Erin Geng, OTR/L, IBCLC is a lactation consultant (non-rn) with a practice address in Castro Valley, California, and NPI 1114349750, issued on Jan 16, 2014. Check the license (California 13782, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114349750
Name
Erin Geng
Credential
OTR/L, IBCLC
Primary taxonomy
Lactation Consultant (Non-RN) 174N00000X
License number
13782 CA
Self-reported in NPPES; status is on the state search
Practice location
20101 Lake Chabot RD, Castro Valley, CA 94546
Phone
(510) 886-3044
Enumerated
Jan 16, 2014
Record last updated
Jan 12, 2023
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 20101 Lake Chabot RD

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

  1. Tania Benjamin, MDPlastic Surgery within the Head & Neck (Otolaryngology) Physician1093276131
  2. Jennifer CaseyEndocrinology, Diabetes & Metabolism Physician1750524575
  3. Mandeep Chadha, AUDAudiologist1346078086
  4. Anthony Chan, M.D.Surgery Physician1285070235
  5. Phassarin Chansakul, MDPediatrics Physician1922413038
  6. Nalurporn Chokrungvaranon, M.D.Endocrinology, Diabetes & Metabolism Physician1922209436

Verify Erin Geng 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 13782
    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.

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Erin Geng among 559 lactation consultant (non-rn) records in California

Erin Geng, OTR/L, IBCLC is one of 559 lactation consultant (non-rn) records with a practice address in California. 0% 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 2014, is newer than 20% of them.

  • NPI issued2014 · 20% of these records are older, 74% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2023 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Lactation Consultant (Non-RN) providers in California

There are 559 lactation consultant (non-rn) records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 lactation consultant (non-rn) records with the nearest ZIP codes

  1. Tamara Thurston, IBCLCLivermore, CA 945501194537035
  2. Djuna Blackmon, IBCLCHayward, CA 945411629343447
  3. Erika CokerHayward, CA 945411740096494
  4. Kohle PermenterLivermore, CA 945511801643424
  5. Danijela Blazevic, IBCLCMartinez, CA 945531902659394
  6. Trina Dixon Goodwin, IBCLCMartinez, CA 945531275386963
  7. Mary Marine, IBCLCMartinez, CA 945531336545771
  8. Amanda McCredie, IBCLCMartinez, CA 945531376216796

Common questions

What is Erin Geng, OTR/L, IBCLC's NPI number?

Erin Geng, OTR/L, IBCLC's National Provider Identifier (NPI) is 1114349750, issued on Jan 16, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Erin Geng, OTR/L, IBCLC located?

The NPPES record lists a practice address at 20101 Lake Chabot RD, Castro Valley, CA, 94546. Phone: (510) 886-3044. Providers update this record themselves, so call before visiting.

How can I verify Erin Geng, OTR/L, IBCLC's license?

NPPES lists California license number 13782, 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.