IndividualActive
Marissa Aaron
NPI 1538687827 · Pediatrics Physician · Boston, MA
Marissa Aaron is a Pediatrics Physician provider in Boston, MA (NPI 1538687827).
Provider details
- NPI number
- 1538687827
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 1018771 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
Detailed profile(78/100 index)
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
333 Longwood Ave
Boston, MA 02115-5711
Phone: (617) 355-7476
Fax: (617) 730-0194
Street-level locationGet directions
Mailing address
333 Longwood Ave
Boston, MA 02115-5711
Additional practice locations (2)
- 282 Washington StHartford, CT 06106-3322Phone: (860) 545-9000
- 240 E Huron St Ste 1-200Chicago, IL 60611-2909Phone: (312) 503-7975
Registry dates
- Enumerated
- 2017-09-06
- Last updated
- 2024-11-13
- Certified
- 2024-11-13
Frequently asked questions
- What is Marissa Aaron's NPI number?
- Marissa Aaron's National Provider Identifier (NPI) is 1538687827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Aaron's specialty?
- Marissa Aaron is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Marissa Aaron located?
- Marissa Aaron's practice location on file with NPPES is 333 Longwood Ave, Boston, MA 02115-5711.
- What is Marissa Aaron's phone number?
- The practice phone number listed in the NPPES registry for Marissa Aaron is (617) 355-7476.
- Is Marissa Aaron's NPI active?
- Yes — Marissa Aaron's NPI (1538687827) is active in the NPPES registry as of the last update on 2024-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.