Robert Ferguson, M.D.
NPI 1609857135 · Internal Medicine Physician · Millbury, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Ferguson, M.D. is a Internal Medicine Physician provider in Millbury, MA (NPI 1609857135).
Provider details
- NPI number
- 1609857135
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 57431 (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
- 2005-11-10
- Last updated
- 2009-04-23
Frequently asked questions
- What is Robert Ferguson's NPI number?
- Robert Ferguson's National Provider Identifier (NPI) is 1609857135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Ferguson's specialty?
- Robert Ferguson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Ferguson located?
- Robert Ferguson's practice location on file with NPPES is 65 Canal St, Millbury, MA 01527-3266.
- What is Robert Ferguson's phone number?
- The practice phone number listed in the NPPES registry for Robert Ferguson is (508) 865-9960.
- Does Robert Ferguson accept Medicare?
- Robert Ferguson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Ferguson's NPI active?
- Yes — Robert Ferguson's NPI (1609857135) is active in the NPPES registry as of the last update on 2009-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.