Dr Craig S Gustafson LLC
NPI 1982737946 · Family Medicine Physician · Ayer, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr Craig S Gustafson LLC is a Family Medicine Physician organization in Ayer, MA (NPI 1982737946).
Provider details
- NPI number
- 1982737946
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Craig Gustafson, Owner(978) 772-0698
- License
- 153873 (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
2 documented practice locations
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
Additional practice locations (1)
- 233 Ayer RdSte 10Harvard, MA 01451-1131Phone: (978) 772-0698
Registry dates
- Enumerated
- 2007-03-13
- Last updated
- 2026-02-10
- Certified
- 2026-02-10
Frequently asked questions
- What is Dr Craig S Gustafson LLC's NPI number?
- Dr Craig S Gustafson LLC's National Provider Identifier (NPI) is 1982737946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr Craig S Gustafson LLC?
- Dr Craig S Gustafson LLC is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dr Craig S Gustafson LLC located?
- Dr Craig S Gustafson LLC's practice location on file with NPPES is 190 Groton Rd, Ayer, MA 01432-1124.
- What is Dr Craig S Gustafson LLC's phone number?
- The practice phone number listed in the NPPES registry for Dr Craig S Gustafson LLC is (978) 772-0698.
- Does Dr Craig S Gustafson LLC accept Medicare?
- Dr Craig S Gustafson LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Dr Craig S Gustafson LLC?
- The authorized official listed on Dr Craig S Gustafson LLC's NPPES record is Craig Gustafson, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr Craig S Gustafson LLC's NPI active?
- Yes — Dr Craig S Gustafson LLC's NPI (1982737946) is active in the NPPES registry as of the last update on 2026-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.