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Gary Grosart, MD
NPI 1689661704 · Internal Medicine Physician · Fairhaven, MA
Gary Grosart, MD is a Internal Medicine Physician provider in Fairhaven, MA (NPI 1689661704).
Provider details
- NPI number
- 1689661704
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40157 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
208 Mill Rd
Fairhaven, MA 02719-5208
Phone: (508) 996-1800
Fax: (508) 992-7906
Street-level locationGet directions
Mailing address
200 Mill Rd
Fairhaven, MA 02719-5252
Registry dates
- Enumerated
- 2005-10-04
- Last updated
- 2020-04-22
- Certified
- 2020-04-22
Frequently asked questions
- What is Gary Grosart's NPI number?
- Gary Grosart's National Provider Identifier (NPI) is 1689661704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Grosart's specialty?
- Gary Grosart is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Grosart located?
- Gary Grosart's practice location on file with NPPES is 208 Mill Rd, Fairhaven, MA 02719-5208.
- What is Gary Grosart's phone number?
- The practice phone number listed in the NPPES registry for Gary Grosart is (508) 996-1800.
- Is Gary Grosart's NPI active?
- Yes — Gary Grosart's NPI (1689661704) is active in the NPPES registry as of the last update on 2020-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.