NPPES file of Aug 9, 2026

Mariana Harms, M.S., MFT

Marriage & Family Therapist · Ventura, CA

Mariana Harms, M.S., MFT is a marriage & family therapist with a practice address in Ventura, California, and NPI 1710236005, issued on Sep 3, 2012. 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
1710236005
Name
Mariana Harms
Credential
M.S., MFT
Primary taxonomy
Marriage & Family Therapist 106H00000X
Practice location
1500 Palma Dr FL 2, Ventura, CA 93003
Phone
(805) 617-0171
Enumerated
Sep 3, 2012
Record last updated
Jun 26, 2023
Medicare enrollment
Enrolled (PECOS I20240222004125); accepts Medicare assignment
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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8 nearest marriage & family therapist records → All 59,889 in California → Look up another NPI →

Also registered at 1500 Palma Dr FL 2

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

  1. Janine Flaming, LCSWClinical Social Worker1669156915
  2. Elizabeth Keane, MSW, LCSWClinical Social Worker1992105530
  3. Ashley Moody, MA, AMFT, APCCMarriage & Family Therapist1760165831
  4. Christina MorseMarriage & Family Therapist1215502513
  5. Mark SwansonClinical Social Worker1477154052
  6. Casey Whittemore, LMFTMental Health Counselor1417513276

Verify Mariana Harms 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. Petaluma Health Center IncRohnert Park, CA

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

Mariana Harms among 59,889 marriage & family therapist records in California

Mariana Harms, M.S., MFT 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. Its NPI, issued in 2012, is newer than 37% of them.

  • NPI issued2012 · 37% of these records are older, 59% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated2012 · median 2013 among the 4,574 with a school on file
  • Record last updated2023 · 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).

426 marriage & family therapist records list a practice address in Ventura

They are 426 of the 4,435 NPPES records with a practice address in Ventura, and 59,889 marriage & family therapist records in California.

All 59,889 in California → Every provider in Ventura → Marriage & Family Therapist nationwide →

The 8 marriage & family therapist records with the nearest ZIP codes

  1. Robert BeilinVentura, CA 930031508884529
  2. Ann Davis, LMFTVentura, CA 930031275565301
  3. Dorothy Diehl, MFTVentura, CA 930031942295688
  4. Kimberly Evans, MFTVentura, CA 930031225133374
  5. Laura Hughart-Crutchfield, LMFTVentura, CA 930031720179922
  6. Jeffrey Millstone, LMFTVentura, CA 930031164445623
  7. Cathy Montemayor, MFTVentura, CA 930031689786097
  8. Terrence O'Connor, M.A., MFTVentura, CA 930031972523462

Common questions

What is Mariana Harms, M.S., MFT's NPI number?

Mariana Harms, M.S., MFT's National Provider Identifier (NPI) is 1710236005, issued on Sep 3, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Mariana Harms, M.S., MFT located?

The NPPES record lists a practice address at 1500 Palma Dr FL 2, Ventura, CA, 93003. Phone: (805) 617-0171. Providers update this record themselves, so call before visiting.

How can I verify Mariana Harms, M.S., MFT'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.

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.