Robert Sumner, MD
NPI 1619000114 · Cardiovascular Disease Physician · Marlborough, MA
Robert Sumner, MD is a Cardiovascular Disease Physician provider in Marlborough, MA (NPI 1619000114).
Provider details
- NPI number
- 1619000114
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 032745 (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
19 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
- 2007-03-13
- Last updated
- 2012-06-22
Frequently asked questions
- What is Robert Sumner's NPI number?
- Robert Sumner's National Provider Identifier (NPI) is 1619000114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Sumner's specialty?
- Robert Sumner is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Sumner located?
- Robert Sumner's practice location on file with NPPES is 28 Lord Rd, Marlborough, MA 01752-4548.
- What is Robert Sumner's phone number?
- The practice phone number listed in the NPPES registry for Robert Sumner is (508) 485-7660.
- Is Robert Sumner's NPI active?
- Yes — Robert Sumner's NPI (1619000114) is active in the NPPES registry as of the last update on 2012-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.