NPPES file of Aug 9, 2026

Lea Calderon-Guthe

Clinical Social Worker · San Leandro, CA

Lea Calderon-Guthe is a clinical social worker with a practice address in San Leandro, California, and NPI 1083132724, issued on Sep 1, 2017. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083132724
Name
Lea Calderon-Guthe
Primary taxonomy
Clinical Social Worker 1041C0700X
Practice location
16335 E 14TH St, San Leandro, CA 94578
Phone
(510) 481-4500
Enumerated
Sep 1, 2017
Record last updated
Sep 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20221107000383); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 16335 E 14TH St

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

  1. Araceli Piceno-Martinez, LCSWClinical Social Worker1700320637

Verify Lea Calderon-Guthe in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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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Bills Medicare through one group practice

  1. Counseling Service OF Addison County IncMiddlebury, VT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lea Calderon-Guthe among 36,261 clinical social worker records in California

Lea Calderon-Guthe is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 58% of them.

  • NPI issued2017 · 58% of these records are older, 38% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2019 · median 2012 among the 4,008 with a school on file
  • Record last updated2017 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

270 clinical social worker records list a practice address in San Leandro

They are 270 of the 4,976 NPPES records with a practice address in San Leandro, and 36,261 clinical social worker records in California.

The 8 clinical social worker records with the nearest ZIP codes

  1. Sarah Baker, LCSWSan Leandro, CA 945781710050992
  2. Kevin Charles, LCSWSan Leandro, CA 945781174616908
  3. Maria Collins, MSWSan Leandro, CA 945781801969316
  4. Kathryn Coy, LCSWSan Leandro, CA 945781225108285
  5. Alia Dolan, MSWSan Leandro, CA 945781205908746
  6. Emily Fenster, LCSWSan Leandro, CA 945781952473464
  7. Nancy Fey, LCSWSan Leandro, CA 945781225101637
  8. Julie Hess, MSWSan Leandro, CA 945781619046521

Common questions

What is Lea Calderon-Guthe's NPI number?

Lea Calderon-Guthe's National Provider Identifier (NPI) is 1083132724, issued on Sep 1, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Lea Calderon-Guthe located?

The NPPES record lists a practice address at 16335 E 14TH St, San Leandro, CA, 94578. Phone: (510) 481-4500. Providers update this record themselves, so call before visiting.

How can I verify Lea Calderon-Guthe's license?

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. Medicare files from data.cms.gov. 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.