Gregory Emmons, DO
NPI 1639256845 · Hematology & Oncology Physician · Lewiston, ME
Gregory Emmons, DO is a Hematology & Oncology Physician provider in Lewiston, ME (NPI 1639256845).
Provider details
- NPI number
- 1639256845
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2074 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2012-07-10
Frequently asked questions
- What is Gregory Emmons's NPI number?
- Gregory Emmons's National Provider Identifier (NPI) is 1639256845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Emmons's specialty?
- Gregory Emmons is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Emmons located?
- Gregory Emmons's practice location on file with NPPES is 93 Campus Ave, Lewiston, ME 04240-6030.
- What is Gregory Emmons's phone number?
- The practice phone number listed in the NPPES registry for Gregory Emmons is (207) 777-4320.
- Is Gregory Emmons's NPI active?
- Yes — Gregory Emmons's NPI (1639256845) is active in the NPPES registry as of the last update on 2012-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.