NPPES file of Aug 9, 2026

Mar Ortmann, LCSW

Clinical Social Worker · Alameda, CA

Mar Ortmann, LCSW is a clinical social worker with a practice address in Alameda, California, and NPI 1750535654, issued on Nov 5, 2008. Check the license (California LCS20765, 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
1750535654
Name
Mar Ortmann
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCS20765 CA
Self-reported in NPPES; status is on the state search
Practice location
2233 Santa Clara Ave, Alameda, CA 94501
Phone
(510) 928-6400
Enumerated
Nov 5, 2008
Record last updated
Nov 5, 2008 (not updated in 18 years: call before relying on the address or phone)
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 2233 Santa Clara Ave

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

  1. Barbara McClungMarriage & Family Therapist1528261393
  2. Christina Narensky, PSY.D.Psychologist1598968364
  3. Ellen Odza, M.A., LMFTMarriage & Family Therapist1992740112
  4. Carla Vogel-Stone, PSYDClinical Psychologist1851565832

Verify Mar Ortmann 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 LCS20765
    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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Mar Ortmann among 36,261 clinical social worker records in California

Mar Ortmann, LCSW 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 not. Its NPI, issued in 2008, is newer than 24% of them.

  • NPI issued2008 · 24% of these records are older, 72% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2008 · 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).

55 clinical social worker records list a practice address in Alameda

They are 55 of the 2,492 NPPES records with a practice address in Alameda, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Ebony Brown, MSW, ASWAlameda, CA 945011699908608
  2. Kathleen Cutshall, L.C.S.W.Alameda, CA 945011689867798
  3. Rachel Dacosta, LCSWAlameda, CA 945011821124389
  4. Deborah Fishman, LCSWAlameda, CA 945011740203363
  5. Vanessa GarciaAlameda, CA 945011538454814
  6. Suzy Kim-Tran, LCSWAlameda, CA 945011528254539
  7. Christine Kovach, LCSWAlameda, CA 945011184943904
  8. Paul Malkin, MSWAlameda, CA 945011912917022

Common questions

What is Mar Ortmann, LCSW's NPI number?

Mar Ortmann, LCSW's National Provider Identifier (NPI) is 1750535654, issued on Nov 5, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mar Ortmann, LCSW located?

The NPPES record lists a practice address at 2233 Santa Clara Ave, Alameda, CA, 94501. Phone: (510) 928-6400. Providers update this record themselves, so call before visiting.

How can I verify Mar Ortmann, LCSW's license?

NPPES lists California license number LCS20765, 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.