Robert Black, MD
NPI 1689626913 · Nephrology Physician · Worcestor, MA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Black, MD is a Nephrology Physician provider in Worcestor, MA (NPI 1689626913).
Provider details
- NPI number
- 1689626913
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 42763 (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
20 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
- 2006-05-16
- Last updated
- 2020-06-23
- Certified
- 2020-06-23
Frequently asked questions
- What is Robert Black's NPI number?
- Robert Black's National Provider Identifier (NPI) is 1689626913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Black's specialty?
- Robert Black is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Black located?
- Robert Black's practice location on file with NPPES is 123 Summer Street, Worcestor, MA 01608.
- What is Robert Black's phone number?
- The practice phone number listed in the NPPES registry for Robert Black is (508) 363-6126.
- Does Robert Black accept Medicare?
- Robert Black is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Black's NPI active?
- Yes — Robert Black's NPI (1689626913) is active in the NPPES registry as of the last update on 2020-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.