Mary Whitlock, NNP-BC
NPI 1588959670 · Children's Hospital · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Whitlock, NNP-BC is a Children's Hospital provider in Boston, MA (NPI 1588959670).
Provider details
- NPI number
- 1588959670
- Entity type
- Individual
- Primary specialty
- Children's HospitalHospitals
- Credential
- NNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN169645 (MA)
Specialties & taxonomies
Hospitals
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
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 119 Belmont StWorcester, MA 01605-2903Phone: (508) 334-6206Fax: (508) 334-6083
Registry dates
- Enumerated
- 2011-06-16
- Last updated
- 2020-11-16
- Certified
- 2020-11-16
Frequently asked questions
- What is Mary Whitlock's NPI number?
- Mary Whitlock's National Provider Identifier (NPI) is 1588959670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Whitlock's specialty?
- Mary Whitlock is listed in the NPPES registry with a primary specialty of Children's Hospital (Hospitals).
- Where is Mary Whitlock located?
- Mary Whitlock's practice location on file with NPPES is 330 Brookline Ave, Boston, MA 02215.
- What is Mary Whitlock's phone number?
- The practice phone number listed in the NPPES registry for Mary Whitlock is (617) 667-4042.
- Does Mary Whitlock accept Medicare?
- Mary Whitlock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Whitlock's NPI active?
- Yes — Mary Whitlock's NPI (1588959670) is active in the NPPES registry as of the last update on 2020-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.