Melissa Diaz, M.S.
NPI 1649615246 · Professional Counselor · Zelienople, PA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Diaz, M.S. is a Professional Counselor provider in Zelienople, PA (NPI 1649615246).
Provider details
- NPI number
- 1649615246
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- M.S.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-08
- Last updated
- 2013-05-08
Frequently asked questions
- What is Melissa Diaz's NPI number?
- Melissa Diaz's National Provider Identifier (NPI) is 1649615246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Diaz's specialty?
- Melissa Diaz is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Melissa Diaz located?
- Melissa Diaz's practice location on file with NPPES is 70 W Beaver St, Zelienople, PA 16063-1582.
- What is Melissa Diaz's phone number?
- The practice phone number listed in the NPPES registry for Melissa Diaz is (724) 452-4453.
- Does Melissa Diaz accept Medicare?
- Melissa Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Diaz's NPI active?
- Yes — Melissa Diaz's NPI (1649615246) is active in the NPPES registry as of the last update on 2013-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.