Maryellen Sullivan, NP
NPI 1306812086 · Adult Health Nurse Practitioner · Waltham, MA
Maryellen Sullivan, NP is a Adult Health Nurse Practitioner provider in Waltham, MA (NPI 1306812086).
Provider details
- NPI number
- 1306812086
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 142612 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-02-23
- Last updated
- 2015-09-17
Frequently asked questions
- What is Maryellen Sullivan's NPI number?
- Maryellen Sullivan's National Provider Identifier (NPI) is 1306812086, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryellen Sullivan's specialty?
- Maryellen Sullivan is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maryellen Sullivan located?
- Maryellen Sullivan's practice location on file with NPPES is 950 Winter Street, Waltham, MA 02451.
- What is Maryellen Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Maryellen Sullivan is (781) 472-8787.
- Is Maryellen Sullivan's NPI active?
- Yes — Maryellen Sullivan's NPI (1306812086) is active in the NPPES registry as of the last update on 2015-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.