Sigurdis Haraldsdottir, M.D.
NPI 1578716924 · Medical Oncology Physician · Boston, MA
Sigurdis Haraldsdottir, M.D. is a Medical Oncology Physician provider in Boston, MA (NPI 1578716924).
Provider details
- NPI number
- 1578716924
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 281614 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 Pasteur DrStanford, CA 94305-2200Phone: (650) 723-4000
Registry dates
- Enumerated
- 2008-10-29
- Last updated
- 2019-11-21
Frequently asked questions
- What is Sigurdis Haraldsdottir's NPI number?
- Sigurdis Haraldsdottir's National Provider Identifier (NPI) is 1578716924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sigurdis Haraldsdottir's specialty?
- Sigurdis Haraldsdottir is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Sigurdis Haraldsdottir located?
- Sigurdis Haraldsdottir's practice location on file with NPPES is 450 Brookline Ave, Boston, MA 02215.
- What is Sigurdis Haraldsdottir's phone number?
- The practice phone number listed in the NPPES registry for Sigurdis Haraldsdottir is (617) 632-2178.
- Is Sigurdis Haraldsdottir's NPI active?
- Yes — Sigurdis Haraldsdottir's NPI (1578716924) is active in the NPPES registry as of the last update on 2019-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.