Loni Marcus
Professional Counselor · Vista, CA
Loni Marcus is a professional counselor with a practice address in Vista, California, and NPI 1851840250, issued on Sep 26, 2016. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Loni Marcus
- Primary taxonomy
- Professional Counselor 101YP2500X
- Practice location
- 200 Michigan Ave, Vista, CA 92084
- Phone
- (760) 726-4900
- Enumerated
- Sep 26, 2016
- Record last updated
- Sep 26, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (760) 681-0778
- Entity
- Type 1 · individual
8 nearest professional counselor records → All 3,965 in California → Look up another NPI →
Also registered at 200 Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Martha Alaniz-RayonPeer Specialist1285092262
- Breona AllisonCase Manager/Care Coordinator1679963748
- Jannett Angulo, IMFMarriage & Family Therapist1609142181
- Sara AntosProfessional Counselor1477274363
- Adilene Arredondo, M.SProfessional Counselor1447876495
Verify Loni Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Loni Marcus among 3,965 professional counselor records in California
Loni Marcus is one of 3,965 professional counselor 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 25% of them.
- NPI issued2016 · 25% of these records are older, 71% 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 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 professional counselor records list a practice address in Vista
They are 27 of the 2,017 NPPES records with a practice address in Vista, and 3,965 professional counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,965 in California → Every provider in Vista → Professional Counselor nationwide →
The 8 professional counselor records with the nearest ZIP codes
- Sara AntosVista, CA 920841477274363
- Adilene Arredondo, M.SVista, CA 920841447876495
- Gladys BailonVista, CA 920841710473442
- Christine CookVista, CA 920841548821200
- Brandi CooperVista, CA 920841659815504
- Susie GarzaVista, CA 920841578931036
- Lucia Hernandez, MFTVista, CA 920841811068992
- Gabriela MedinaVista, CA 920841528548740
Common questions
What is Loni Marcus's NPI number?
Loni Marcus's National Provider Identifier (NPI) is 1851840250, issued on Sep 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Loni Marcus located?
The NPPES record lists a practice address at 200 Michigan Ave, Vista, CA, 92084. Phone: (760) 726-4900. Providers update this record themselves, so call before visiting.
How can I verify Loni Marcus'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. 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.