IndividualActive
Eric Westin, MD
NPI 1134397912 · Medical Oncology Physician · Cambridge, MA
Eric Westin, MD is a Medical Oncology Physician provider in Cambridge, MA (NPI 1134397912).
Provider details
- NPI number
- 1134397912
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0055964 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
40 Landsdowne St
Takeda Pharmaceuticals International Co
Cambridge, MA 02139-4234
Phone: (617) 761-4774
Street-level locationGet directions
Mailing address
40 Landsdowne St
Cambridge, MA 02139-4234
Registry dates
- Enumerated
- 2008-02-14
- Last updated
- 2015-07-13
Frequently asked questions
- What is Eric Westin's NPI number?
- Eric Westin's National Provider Identifier (NPI) is 1134397912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Westin's specialty?
- Eric Westin is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Westin located?
- Eric Westin's practice location on file with NPPES is 40 Landsdowne St, Cambridge, MA 02139-4234.
- What is Eric Westin's phone number?
- The practice phone number listed in the NPPES registry for Eric Westin is (617) 761-4774.
- Is Eric Westin's NPI active?
- Yes — Eric Westin's NPI (1134397912) is active in the NPPES registry as of the last update on 2015-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.