What is William Deighan's NPI number?

William Deighan's National Provider Identifier (NPI) is 1073659538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Deighan's specialty?

William Deighan is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Pathology Dentistry (Dental Providers).

Where is William Deighan located?

William Deighan's practice location on file with NPPES is 37 Bower St, Bangor, ME 04401-4721.

What is William Deighan's phone number?

The practice phone number listed in the NPPES registry for William Deighan is (207) 945-5691.

Is William Deighan's NPI active?

Yes — William Deighan's NPI (1073659538) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

William Deighan, D.M.D.

NPI 1073659538 · Oral and Maxillofacial Pathology Dentistry · Bangor, ME

William Deighan, D.M.D. is a Oral and Maxillofacial Pathology Dentistry provider in Bangor, ME (NPI 1073659538).

Provider details

NPI number: 1073659538
Entity type: Individual
Primary specialty: Oral and Maxillofacial Pathology DentistryDental Providers
Credential: D.M.D.
Sex: Male
Sole proprietor: No
License: 3079 (ME)

Specialties & taxonomies

Oral and Maxillofacial Pathology DentistryPrimary1223P0106XLicense 3079 (ME)
Dental Providers

Profile Score

Detailed profile(90/100 index)

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
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

37 Bower St

Bangor, ME 04401-4721

Phone: (207) 945-5691

Street-level locationGet directions

More ME providers

Mailing address

2566 Kennebec Rd

Newburgh, ME 04444-4947

Enumerated: 2007-01-30
Last updated: 2007-07-08

Frequently asked questions

What is William Deighan's NPI number?: William Deighan's National Provider Identifier (NPI) is 1073659538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Deighan's specialty?: William Deighan is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Pathology Dentistry (Dental Providers).
Where is William Deighan located?: William Deighan's practice location on file with NPPES is 37 Bower St, Bangor, ME 04401-4721.
What is William Deighan's phone number?: The practice phone number listed in the NPPES registry for William Deighan is (207) 945-5691.
Is William Deighan's NPI active?: Yes — William Deighan's NPI (1073659538) 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.