Mary Whalen, CNP
NPI 1346200946 · Critical Care Neonatal Nurse Practitioner · Worcester, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Whalen, CNP is a Critical Care Neonatal Nurse Practitioner provider in Worcester, MA (NPI 1346200946).
Provider details
- NPI number
- 1346200946
- Entity type
- Individual
- Primary specialty
- Critical Care Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN141276 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-03-27
- Last updated
- 2020-11-10
- Certified
- 2020-11-10
Frequently asked questions
- What is Mary Whalen's NPI number?
- Mary Whalen's National Provider Identifier (NPI) is 1346200946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Whalen's specialty?
- Mary Whalen is listed in the NPPES registry with a primary specialty of Critical Care Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Whalen located?
- Mary Whalen's practice location on file with NPPES is 119 Belmont St, Worcester, MA 01605-2903.
- What is Mary Whalen's phone number?
- The practice phone number listed in the NPPES registry for Mary Whalen is (508) 334-6206.
- Does Mary Whalen accept Medicare?
- Mary Whalen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Whalen's NPI active?
- Yes — Mary Whalen's NPI (1346200946) is active in the NPPES registry as of the last update on 2020-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.