What is Sandra Contreras Martinez's NPI number?

Sandra Contreras Martinez's National Provider Identifier (NPI) is 1497509061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sandra Contreras Martinez's specialty?

Sandra Contreras Martinez is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Sandra Contreras Martinez located?

Sandra Contreras Martinez's practice location on file with NPPES is 637 West Ave Fl 2, Norwalk, CT 06850-4004.

What is Sandra Contreras Martinez's phone number?

The practice phone number listed in the NPPES registry for Sandra Contreras Martinez is (203) 276-6122.

Does Sandra Contreras Martinez accept Medicare?

Sandra Contreras Martinez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Sandra Contreras Martinez's NPI active?

Yes — Sandra Contreras Martinez's NPI (1497509061) is active in the NPPES registry as of the last update on 2025-07-30.

IndividualActiveAccepts Medicare

Sandra Contreras Martinez

NPI 1497509061 · Nurse Practitioner · Norwalk, CT

Sandra Contreras Martinez is a Nurse Practitioner provider in Norwalk, CT (NPI 1497509061).

Provider details

NPI number: 1497509061
Entity type: Individual
Primary specialty: Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Sex: Female
Sole proprietor: No
License: 13403 (CT)

Practice location

637 West Ave Fl 2

Norwalk, CT 06850-4004

Phone: (203) 276-6122

Street-level locationGet directions

More CT providers

Mailing address

637 West Ave Fl 2

Norwalk, CT 06850-4004

Specialties & taxonomies

Nurse PractitionerPrimary363L00000XLicense 13403 (CT)
Physician Assistants & Advanced Practice Nursing Providers

Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(63/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure33% of score
2 yrs in NPPES registry
Profile completeness33% of score
100% of core fields populated
Practice footprint20% of score
1 documented practice location
Open Payments transparency13% of score
Has Open Payments disclosures (2024)

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,038 across 31 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2024-04-11
Last updated: 2025-07-30
Certified: 2025-07-30

Frequently asked questions

What is Sandra Contreras Martinez's NPI number?: Sandra Contreras Martinez's National Provider Identifier (NPI) is 1497509061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Sandra Contreras Martinez's specialty?: Sandra Contreras Martinez is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Sandra Contreras Martinez located?: Sandra Contreras Martinez's practice location on file with NPPES is 637 West Ave Fl 2, Norwalk, CT 06850-4004.
What is Sandra Contreras Martinez's phone number?: The practice phone number listed in the NPPES registry for Sandra Contreras Martinez is (203) 276-6122.
Does Sandra Contreras Martinez accept Medicare?: Sandra Contreras Martinez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Sandra Contreras Martinez's NPI active?: Yes — Sandra Contreras Martinez's NPI (1497509061) is active in the NPPES registry as of the last update on 2025-07-30.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Transparency — industry payments

Frequently asked questions