Leslie R. Gass, D.O., Inc.
NPI 1447421862 · Neuromusculoskeletal Medicine & OMM Physician · Portland, ME
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leslie R. Gass, D.O., Inc. is a Neuromusculoskeletal Medicine & OMM Physician organization in Portland, ME (NPI 1447421862).
Provider details
- NPI number
- 1447421862
- Entity type
- Organization
- Primary specialty
- Neuromusculoskeletal Medicine & OMM PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leslie Gass, Physician(207) 773-7330
- License
- 1804 (ME)
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
18 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
Mailing address
Registry dates
- Enumerated
- 2008-03-13
- Last updated
- 2012-04-24
Frequently asked questions
- What is Leslie R. Gass, D.O., Inc.'s NPI number?
- Leslie R. Gass, D.O., Inc.'s National Provider Identifier (NPI) is 1447421862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Leslie R. Gass, D.O., Inc.?
- Leslie R. Gass, D.O., Inc. is classified in the NPPES registry as Neuromusculoskeletal Medicine & OMM Physician (Allopathic & Osteopathic Physicians).
- Where is Leslie R. Gass, D.O., Inc. located?
- Leslie R. Gass, D.O., Inc.'s practice location on file with NPPES is 535 Ocean Ave, Portland, ME 04103-4973.
- What is Leslie R. Gass, D.O., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Leslie R. Gass, D.O., Inc. is (207) 773-7330.
- Does Leslie R. Gass, D.O., Inc. accept Medicare?
- Leslie R. Gass, D.O., Inc. 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 Leslie R. Gass, D.O., Inc.?
- The authorized official listed on Leslie R. Gass, D.O., Inc.'s NPPES record is Leslie Gass, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Leslie R. Gass, D.O., Inc.'s NPI active?
- Yes — Leslie R. Gass, D.O., Inc.'s NPI (1447421862) is active in the NPPES registry as of the last update on 2012-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.