Robbie Majzner, MD
NPI 1861636060 · Pediatric Hematology & Oncology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robbie Majzner, MD is a Pediatric Hematology & Oncology Physician provider in Boston, MA (NPI 1861636060).
Provider details
- NPI number
- 1861636060
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1016970 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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)
- 300 Longwood AveBoston, MA 02115-5724Phone: (617) 355-6000
Registry dates
- Enumerated
- 2009-05-01
- Last updated
- 2024-08-27
- Certified
- 2024-08-27
Frequently asked questions
- What is Robbie Majzner's NPI number?
- Robbie Majzner's National Provider Identifier (NPI) is 1861636060, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robbie Majzner's specialty?
- Robbie Majzner is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Robbie Majzner located?
- Robbie Majzner's practice location on file with NPPES is 450 Brookline Ave, Boston, MA 02215-5450.
- What is Robbie Majzner's phone number?
- The practice phone number listed in the NPPES registry for Robbie Majzner is (617) 632-3270.
- Does Robbie Majzner accept Medicare?
- Robbie Majzner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robbie Majzner's NPI active?
- Yes — Robbie Majzner's NPI (1861636060) is active in the NPPES registry as of the last update on 2024-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.