Alexandra Helenius
Marriage & Family Therapist · San Mateo, CA
Alexandra Helenius is a marriage & family therapist with a practice address in San Mateo, California, and NPI 1033571237, issued on Mar 25, 2016. Check the license (California 89273, 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.
- Name
- Alexandra Helenius
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- 89273 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1510 Fashion Island Blvd, San Mateo, CA 94404
- Phone
- (805) 509-4437
- Enumerated
- Mar 25, 2016
- Record last updated
- Apr 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest marriage & family therapist records → All 59,889 in California → Look up another NPI →
Also registered at 1510 Fashion Island Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Arnold, PH.D.Clinical Psychologist1568639292
- Lianne Avila, M.A.Marriage & Family Therapist1942220447
- Steven Barney, LMFTMarriage & Family Therapist1679597843
- Marite GrandovskisClinical Psychologist1154721488
- Suzanne Hughes, MFTMarriage & Family Therapist1073531414
- Steven Kinstler, MFTIMarriage & Family Therapist1033512769
Verify Alexandra Helenius in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 89273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Alexandra Helenius among 59,889 marriage & family therapist records in California
Alexandra Helenius is one of 59,889 marriage & family therapist records with a practice address in California. 4% 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 2016, is newer than 52% of them.
- NPI issued2016 · 52% of these records are older, 43% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2016 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
348 marriage & family therapist records list a practice address in San Mateo
They are 348 of the 3,909 NPPES records with a practice address in San Mateo, and 59,889 marriage & family therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 59,889 in California → Every provider in San Mateo → Marriage & Family Therapist nationwide →
The 8 marriage & family therapist records with the nearest ZIP codes
- Lianne Avila, M.A.San Mateo, CA 944041942220447
- Steven Barney, LMFTSan Mateo, CA 944041679597843
- Lesley Bethel, MFTSan Mateo, CA 944041356403117
- Wan-Ping Cavigioli, M.A.San Mateo, CA 944041801337456
- Ann Edwards, MFTSan Mateo, CA 944041295859361
- Nancy Gray, M.ED., LMFTFoster City, CA 944041184753741
- Suzanne Hughes, MFTSan Mateo, CA 944041073531414
- Steven Kinstler, MFTISan Mateo, CA 944041033512769
Common questions
What is Alexandra Helenius's NPI number?
Alexandra Helenius's National Provider Identifier (NPI) is 1033571237, issued on Mar 25, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Helenius located?
The NPPES record lists a practice address at 1510 Fashion Island Blvd, San Mateo, CA, 94404. Phone: (805) 509-4437. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Helenius's license?
NPPES lists California license number 89273, 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.