Mariam Gregorian, PH.D.
NPI 1336879311 · Clinical Psychologist · Chevy Chase, MD
Mariam Gregorian, PH.D. is a Clinical Psychologist provider in Chevy Chase, MD (NPI 1336879311).
Provider details
- NPI number
- 1336879311
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0810007837 (VA)
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
4 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2022-06-13
- Last updated
- 2022-06-13
- Certified
- 2022-06-13
Frequently asked questions
- What is Mariam Gregorian's NPI number?
- Mariam Gregorian's National Provider Identifier (NPI) is 1336879311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariam Gregorian's specialty?
- Mariam Gregorian is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mariam Gregorian located?
- Mariam Gregorian's practice location on file with NPPES is 6703 Kenwood Forest Ln, Chevy Chase, MD 20815-6501.
- What is Mariam Gregorian's phone number?
- The practice phone number listed in the NPPES registry for Mariam Gregorian is (301) 325-2619.
- Is Mariam Gregorian's NPI active?
- Yes — Mariam Gregorian's NPI (1336879311) is active in the NPPES registry as of the last update on 2022-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.