NPPES file of Aug 9, 2026

Margaret Irene Baum

Addiction (Substance Use Disorder) Counselor · San Mateo, CA

Margaret Irene Baum is an addiction (substance use disorder) counselor with a practice address in San Mateo, California, and NPI 1447129093, issued on Nov 3, 2025. Check the license (California 22839, 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
1447129093
Name
Margaret Irene Baum
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
22839 CA
Self-reported in NPPES; status is on the state search
Practice location
2251 Palm Ave, San Mateo, CA 94403
Phone
(650) 665-4081
Enumerated
Nov 3, 2025
Record last updated
Nov 3, 2025
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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8 nearest addiction (substance use disorder) counselor records → All 27,741 in California → Look up another NPI →

Also registered at 2251 Palm Ave

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

  1. Daniel BancheroAddiction (Substance Use Disorder) Counselor1184220857
  2. Anthony BaroneAddiction (Substance Use Disorder) Counselor1962395335
  3. James BellAddiction (Substance Use Disorder) Counselor1992508360
  4. Erika BodohAddiction (Substance Use Disorder) Counselor1619868866
  5. Heather Borges, SUDRC 21446Addiction (Substance Use Disorder) Counselor1699568543
  6. Carla BradshawAddiction (Substance Use Disorder) Counselor1306645692

Verify Margaret Irene Baum 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 22839    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

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Margaret Irene Baum among 27,741 addiction (substance use disorder) counselor records in California

Margaret Irene Baum is one of 27,741 addiction (substance use disorder) counselor records with a practice address in California. under 1% 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 2025, is newer than 90% of them.

  • NPI issued2025 · 90% of these records are older, 4% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

128 addiction (substance use disorder) counselor records list a practice address in San Mateo

They are 128 of the 3,909 NPPES records with a practice address in San Mateo, and 27,741 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 27,741 in California → Every provider in San Mateo → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Nikki Adams, CAADESan Mateo, CA 944031760617252
  2. Eliseo Amezcua, MASan Mateo, CA 944031033345244
  3. Clara BoydenSan Mateo, CA 944031245465004
  4. Matthew Boyle, CPRPSan Mateo, CA 944031649427394
  5. Maricela CalvilloSan Mateo, CA 944031033457841
  6. Giovanna Giron, CAADESan Mateo, CA 944031023243573
  7. Moises GuerreroSan Mateo, CA 944031649405135
  8. Abby LuceSan Mateo, CA 944031063778074

Common questions

What is Margaret Irene Baum's NPI number?

Margaret Irene Baum's National Provider Identifier (NPI) is 1447129093, issued on Nov 3, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Irene Baum located?

The NPPES record lists a practice address at 2251 Palm Ave, San Mateo, CA, 94403. Phone: (650) 665-4081. Providers update this record themselves, so call before visiting.

How can I verify Margaret Irene Baum's license?

NPPES lists California license number 22839, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.