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DR. MARY CATHERINE MERCADO PSY,D
NPI 1669806360
Psychologist - Clinical in Vernon, CT

Active since August 29, 2013PECOS Enrolled
53 WINDSOR AVE, VERNON, CT 06066(612) 735-2255 Get Directions Write a Review

NPPES record last updated: October 18, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 18, 2016, Aug 11, 2016 (2 updates tracked since 2016).

About Dr. Mary Catherine Mercado Psy,d NPPES

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

DR. MARY CATHERINE MERCADO PSY,D (NPI 1669806360) is an individual clinical provider in Vernon, Connecticut, licensed in Connecticut (003565) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669806360
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARY CATHERINE MERCADOCredential: PSY,D
Location Address53 WINDSOR AVEVernon, CT 06066-6602
Mailing Address53 Windsor AveVernon, CT 06066-6602
Phone(612) 735-2255
Sole ProprietorYes
Enumeration DateAugust 29, 2013
Last NPPES UpdateOctober 18, 20162 updates tracked since enumeration
✔ NPI 1669806360 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CT · 003565
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
53 WINDSOR AVE, Vernon, CT 06066
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Catherine Mercado Psy,d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Mary Mercado reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Connecticut Mental Health Specialists Inc
19 mi
Psychiatry
270 FARMINGTON AVE, SUITE 309
Farmington, CT 06032
  • Reassigned Medicare billing, Connecticut enrollment
  • 140 clinicians in this Medicare group
NPI 1053362814 (860) 677-5570

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 06066 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
$183.10 typical visit price
range $60.82 – $183.10
Typical copayment $45.77 (range $15.20 – $45.77)
Most-billed visit code 99205
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Mary Mercado's NPI number?

The NPI number for Mary Mercado is 1669806360. It was assigned to this individual provider in the NPPES registry on August 29, 2013.

Where is Mary Mercado located?

Mary Mercado practices at 53 Windsor Ave, Vernon, CT 06066. The listed phone number is (612) 735-2255.

What is Mary Mercado's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Mary Mercado enrolled in Medicare?

Yes. Mary Mercado is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Mercado's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Mercado reassigns Medicare benefits to Connecticut Mental Health Specialists Inc (Farmington, CT). 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 Mary Mercado'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 Mary Mercado was last updated on October 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.