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Heidi Mattila
NPI 1417423963 · Clinical Psychologist · Bethesda, MD
Heidi Mattila is a Clinical Psychologist provider in Bethesda, MD (NPI 1417423963).
Provider details
- NPI number
- 1417423963
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 06058 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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.
Practice location
4405 E West Hwy Ste 411
Bethesda, MD 20814-4535
Phone: (202) 557-6713
Street-level locationGet directions
Mailing address
1414 21st St Nw
Washington, DC 20036-5901
Additional practice locations (1)
- 801 Roeder Rd Ste 425Silver Spring, MD 20910-4472Phone: (301) 949-4907
Registry dates
- Enumerated
- 2018-10-22
- Last updated
- 2018-10-22
Frequently asked questions
- What is Heidi Mattila's NPI number?
- Heidi Mattila's National Provider Identifier (NPI) is 1417423963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Mattila's specialty?
- Heidi Mattila is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Heidi Mattila located?
- Heidi Mattila's practice location on file with NPPES is 4405 E West Hwy Ste 411, Bethesda, MD 20814-4535.
- What is Heidi Mattila's phone number?
- The practice phone number listed in the NPPES registry for Heidi Mattila is (202) 557-6713.
- Is Heidi Mattila's NPI active?
- Yes — Heidi Mattila's NPI (1417423963) is active in the NPPES registry as of the last update on 2018-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.