Marissa Caan, MD
NPI 1093219669 · Psychiatry Physician · Arlington, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Caan, MD is a Psychiatry Physician provider in Arlington, MA (NPI 1093219669).
Provider details
- NPI number
- 1093219669
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 298070 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% 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.
Practice location
Mailing address
Additional practice locations (2)
- 1493 Cambridge StCambridge, MA 02139-1099Phone: (617) 655-1000
- 300 Baker Ave Ste 300Concord, MA 01742-2124Phone: (864) 336-2731Fax: (833) 740-3387
Registry dates
- Enumerated
- 2018-03-20
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Frequently asked questions
- What is Marissa Caan's NPI number?
- Marissa Caan's National Provider Identifier (NPI) is 1093219669, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Caan's specialty?
- Marissa Caan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marissa Caan located?
- Marissa Caan's practice location on file with NPPES is 259 Massachusetts Ave Ofc L3, Arlington, MA 02474-8406.
- What is Marissa Caan's phone number?
- The practice phone number listed in the NPPES registry for Marissa Caan is (617) 458-7361.
- Does Marissa Caan accept Medicare?
- Marissa Caan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Caan's NPI active?
- Yes — Marissa Caan's NPI (1093219669) is active in the NPPES registry as of the last update on 2026-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.