What is Diana Giordano's NPI number?

Diana Giordano's National Provider Identifier (NPI) is 1124489851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diana Giordano's specialty?

Diana Giordano is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).

Where is Diana Giordano located?

Diana Giordano's practice location on file with NPPES is 132 Mansfield Ave, Willimantic, CT 06226-2027.

What is Diana Giordano's phone number?

The practice phone number listed in the NPPES registry for Diana Giordano is (860) 456-2261.

Does Diana Giordano accept Medicare?

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

Is Diana Giordano's NPI active?

Yes — Diana Giordano's NPI (1124489851) is active in the NPPES registry as of the last update on 2025-04-28.

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Diana Giordano

NPI 1124489851 · Professional Counselor · Willimantic, CT

Diana Giordano is a Professional Counselor provider in Willimantic, CT (NPI 1124489851).

Provider details

NPI number: 1124489851
Entity type: Individual
Primary specialty: Professional CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Practice location

132 Mansfield Ave

Willimantic, CT 06226-2027

Phone: (860) 456-2261

Street-level locationGet directions

More CT providers

Mailing address

2 Waterside Xing Ste 401

Windsor, CT 06095-1588

Specialties & taxonomies

Professional CounselorPrimary101YP2500X
Behavioral Health & Social Service Providers
Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers

Additional practice locations (2)

444 Center St
Manchester, CT 06040
Phone: (860) 731-5522
Fax: (890) 731-5536
1251 S Main St
Middletown, CT 06457-5050
Phone: (860) 346-0771

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

Profile Score

Detailed profile(76/100 index)

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

Registry tenure38% of score
10 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
3 documented practice locations

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.

Enumerated: 2016-03-08
Last updated: 2025-04-28
Certified: 2025-04-28

Frequently asked questions

What is Diana Giordano's NPI number?: Diana Giordano's National Provider Identifier (NPI) is 1124489851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Diana Giordano's specialty?: Diana Giordano is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
Where is Diana Giordano located?: Diana Giordano's practice location on file with NPPES is 132 Mansfield Ave, Willimantic, CT 06226-2027.
What is Diana Giordano's phone number?: The practice phone number listed in the NPPES registry for Diana Giordano is (860) 456-2261.
Does Diana Giordano accept Medicare?: Diana Giordano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Diana Giordano's NPI active?: Yes — Diana Giordano's NPI (1124489851) is active in the NPPES registry as of the last update on 2025-04-28.

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

Additional practice locations (2)

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (2)

Profile Score

Frequently asked questions