Quick answers
- Does Maria S. Mercado accept Medicare assignment?
- Medicare's clinician data says Maria S. Mercado may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Maria S. Mercado see?
- In 2024, CMS data shows 14 Original Medicare patients and 176 services for Maria S. Mercado. This counts Original Medicare only and measures volume, not quality.
- What is Maria S. Mercado's NPI number?
- 1730457128. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Maria S. Mercado, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 14 |
|---|---|
| Services billed to Medicare | 176 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Psychotherapy, 1 hour (90837)151 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
Practice locations
Addresses where Maria S. Mercado is enrolled with Medicare (CMS data updated October 2, 2026).
- 8 Wakeman RdFairfield, CT 06824 (203) 255‑5078
Group practices
Medicare enrollment lists Maria S. Mercado as a member of this group (CMS data updated October 2, 2026).
- Southern Connecticut Christian Counseling Center8 clinicians in the group
Specialties
- Clinical Social Workerprimary
Find other clinicians: Clinical Social Worker, Connecticut →
Other clinical social workers in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, CT — not a recommendation.
Other clinicians in Southern Connecticut Christian Counseling Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| School | Fordham University School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1730457128 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians