Rebecca Alleyne Holtzclaw
NPI 1043671415 · Nurse Practitioner · Watertown, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Alleyne Holtzclaw is a Nurse Practitioner provider in Watertown, MA (NPI 1043671415).
Provider details
- NPI number
- 1043671415
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 141869 (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
10 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
- 2016-03-14
- Last updated
- 2016-03-14
Frequently asked questions
- What is Rebecca Alleyne Holtzclaw's NPI number?
- Rebecca Alleyne Holtzclaw's National Provider Identifier (NPI) is 1043671415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Alleyne Holtzclaw's specialty?
- Rebecca Alleyne Holtzclaw is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rebecca Alleyne Holtzclaw located?
- Rebecca Alleyne Holtzclaw's practice location on file with NPPES is 40 Spring St, Watertown, MA 02472-3474.
- What is Rebecca Alleyne Holtzclaw's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Alleyne Holtzclaw is (617) 923-6334.
- Does Rebecca Alleyne Holtzclaw accept Medicare?
- Rebecca Alleyne Holtzclaw is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Alleyne Holtzclaw's NPI active?
- Yes — Rebecca Alleyne Holtzclaw's NPI (1043671415) is active in the NPPES registry as of the last update on 2016-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.