Grettel Martinez, PSY.D
NPI 1134457914 · Psychologist · Miami, FL
Grettel Martinez, PSY.D is a Psychologist provider in Miami, FL (NPI 1134457914).
Provider details
- NPI number
- 1134457914
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Child & Adolescent Psychologist103TC2200X
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
16 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
- 2009-12-06
- Last updated
- 2021-03-22
- Certified
- 2021-03-22
Frequently asked questions
- What is Grettel Martinez's NPI number?
- Grettel Martinez's National Provider Identifier (NPI) is 1134457914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grettel Martinez's specialty?
- Grettel Martinez is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Grettel Martinez located?
- Grettel Martinez's practice location on file with NPPES is 7950 W Flagler St, Miami, FL 33144-2206.
- What is Grettel Martinez's phone number?
- The practice phone number listed in the NPPES registry for Grettel Martinez is (305) 269-3900.
- Is Grettel Martinez's NPI active?
- Yes — Grettel Martinez's NPI (1134457914) is active in the NPPES registry as of the last update on 2021-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.