Rachel Bak, CPNP-AC
NPI 1811605561 · Pediatric Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachel Bak, CPNP-AC is a Pediatric Nurse Practitioner provider in Boston, MA (NPI 1811605561).
Provider details
- NPI number
- 1811605561
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP-AC
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN2309262 (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
3 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
- 2022-11-11
- Last updated
- 2024-07-02
- Certified
- 2024-07-02
Frequently asked questions
- What is Rachel Bak's NPI number?
- Rachel Bak's National Provider Identifier (NPI) is 1811605561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachel Bak's specialty?
- Rachel Bak is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rachel Bak located?
- Rachel Bak's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Rachel Bak's phone number?
- The practice phone number listed in the NPPES registry for Rachel Bak is (617) 355-6000.
- Does Rachel Bak accept Medicare?
- Rachel Bak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachel Bak's NPI active?
- Yes — Rachel Bak's NPI (1811605561) is active in the NPPES registry as of the last update on 2024-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.