What is Christopher Johnston's NPI number?

Christopher Johnston's National Provider Identifier (NPI) is 1720216245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Christopher Johnston's specialty?

Christopher Johnston is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Christopher Johnston located?

Christopher Johnston's practice location on file with NPPES is 242 Brunswick St, Old Town, ME 04468.

What is Christopher Johnston's phone number?

The practice phone number listed in the NPPES registry for Christopher Johnston is (207) 827-6128.

Is Christopher Johnston's NPI active?

Yes — Christopher Johnston's NPI (1720216245) is active in the NPPES registry as of the last update on 2018-06-27.

IndividualActive

Christopher Johnston, D.O.

NPI 1720216245 · Family Medicine Physician · Old Town, ME

Christopher Johnston, D.O. is a Family Medicine Physician provider in Old Town, ME (NPI 1720216245).

Provider details

NPI number: 1720216245
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: D.O.
Sex: Male
Sole proprietor: No
License: DO2341 (ME)

Practice location

242 Brunswick St

Old Town, ME 04468

Phone: (207) 827-6128

Fax: (207) 827-5533

Street-level locationGet directions

More ME providers

Mailing address

Po Box 1599

Bangor, ME 04402-1599

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense DO2341 (ME)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(86/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
17 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.

Enumerated: 2009-06-23
Last updated: 2018-06-27

Frequently asked questions

What is Christopher Johnston's NPI number?: Christopher Johnston's National Provider Identifier (NPI) is 1720216245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Christopher Johnston's specialty?: Christopher Johnston is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Christopher Johnston located?: Christopher Johnston's practice location on file with NPPES is 242 Brunswick St, Old Town, ME 04468.
What is Christopher Johnston's phone number?: The practice phone number listed in the NPPES registry for Christopher Johnston is (207) 827-6128.
Is Christopher Johnston's NPI active?: Yes — Christopher Johnston's NPI (1720216245) is active in the NPPES registry as of the last update on 2018-06-27.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions