What is John Sullivan's NPI number?

John Sullivan's National Provider Identifier (NPI) is 1225070022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Sullivan's specialty?

John Sullivan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is John Sullivan located?

John Sullivan's practice location on file with NPPES is 172 Middlesex Ave, Wilmington, MA 01887-2737.

What is John Sullivan's phone number?

The practice phone number listed in the NPPES registry for John Sullivan is (978) 658-4432.

Is John Sullivan's NPI active?

Yes — John Sullivan's NPI (1225070022) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Sullivan, M.D.

NPI 1225070022 · Internal Medicine Physician · Wilmington, MA

John Sullivan, M.D. is a Internal Medicine Physician provider in Wilmington, MA (NPI 1225070022).

Provider details

NPI number: 1225070022
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 33493 (MA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 33493 (MA)
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

172 Middlesex Ave

Wilmington, MA 01887-2737

Phone: (978) 658-4432

Fax: (978) 658-5751

Street-level locationGet directions

More MA providers

Mailing address

Po Box 2200

Amherst, NH 03031-4200

Enumerated: 2006-06-13
Last updated: 2007-07-08

Frequently asked questions

What is John Sullivan's NPI number?: John Sullivan's National Provider Identifier (NPI) is 1225070022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Sullivan's specialty?: John Sullivan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is John Sullivan located?: John Sullivan's practice location on file with NPPES is 172 Middlesex Ave, Wilmington, MA 01887-2737.
What is John Sullivan's phone number?: The practice phone number listed in the NPPES registry for John Sullivan is (978) 658-4432.
Is John Sullivan's NPI active?: Yes — John Sullivan's NPI (1225070022) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.