1. Home
  2. Directory
  3. California
  4. French Camp
  5. Social Worker
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. SERGIO ALBERTO MARRON LCSW
NPI 1184058471
Social Worker - Clinical in French Camp, CA

Active since August 22, 2013PECOS EnrolledAccepts Medicare Assignment
6505 S MANTHEY RD, FRENCH CAMP, CA 95231(209) 946-3400 Get Directions Write a Review

NPPES record last updated: October 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 14, 2026, Sep 21, 2026, Jul 24, 2019 and 1 more (4 updates tracked since 2019).

About Mr. Sergio Alberto Marron Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. SERGIO ALBERTO MARRON LCSW (NPI 1184058471) is an individual clinical provider in French Camp, California, licensed in California (87188) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1184058471
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. SERGIO ALBERTO MARRONCredential: LCSW
Location Address6505 S MANTHEY RDFrench Camp, CA 95231-9518
Mailing Address6505 S Manthey RdFrench Camp, CA 95231-9518 · (209) 946-3400
Phone(209) 946-3400
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateAugust 22, 2013
Last NPPES UpdateOctober 14, 20264 updates tracked since enumeration
NPPES CertifiedOctober 14, 2026
✔ NPI 1184058471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 87188
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
6505 S MANTHEY RD, French Camp, CA 95231
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Sergio Alberto Marron Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799274882
PECOS Enrollment IDI20251029002233
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Sergio Marron reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Golden Valley Health Center
6.0 mi
Federally Qualified Health Center (FQHC)
302 NORTHGATE DR
Manteca, CA 95336
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Golden Valley Health Centers
  • 440 clinicians in this Medicare group
NPI 1477020121 (209) 239-5299

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95231 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $58.87 – $176.60
Typical copayment $0.00 (range $14.71 – $44.15)
Most-billed visit code NA
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

IVANIA HASLAM ROSADO
Social Worker (Clinical)
6505 S MANTHEY RD
FRENCH CAMP, CA 95231
San Joaquin County (209) 946-3412
ANGELA AIDA HERMESKY RN
Registered Nurse
6505 S MANTHEY RD
FRENCH CAMP, CA 95231
San Joaquin County (916) 664-1517
KHANH HO VUONG MSW
Social Worker
6505 S MANTHEY RD
FRENCH CAMP, CA 95231
San Joaquin County (209) 701-6447
DR. WALTER JAMES VENERABLE III PHD
Psychologist (Addiction (Substance Use Disorder))
6505 S MANTHEY RD
FRENCH CAMP, CA 95231
San Joaquin County (916) 507-5579
QIANXIONG ZHENG MS, RD , CSO
Dietitian, Registered
6505 S MANTHEY RD
FRENCH CAMP, CA 95231
San Joaquin County (209) 851-7324
MALISSA GROVE PSY.D.
Psychologist (Clinical)
6505 S MANTHEY RD
FRENCH CAMP, CA 95231
San Joaquin County (209) 946-3400
DR. YVONNE SHEREE MABUGAT PHARM D
Pharmacist
6505 S MANTHEY RD
FRENCH CAMP, CA 95231
San Joaquin County (209) 851-7302
SIGRID MINES LCSW
Social Worker (Clinical)
6505 S MANTHEY RD
FRENCH CAMP, CA 95231
San Joaquin County (209) 635-2712

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sergio Marron's NPI number?

The NPI number for Sergio Marron is 1184058471. It was assigned to this individual provider in the NPPES registry on August 22, 2013.

Where is Sergio Marron located?

Sergio Marron practices at 6505 S Manthey Rd, French Camp, CA 95231. The listed phone number is (209) 946-3400.

What is Sergio Marron's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Sergio Marron enrolled in Medicare?

Yes. Sergio Marron is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Sergio Marron's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sergio Marron reassigns Medicare benefits to Golden Valley Health Center (Manteca, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sergio Marron's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sergio Marron was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.