Roy Geronimo, APRN
NPI 1356234538 · Acute Care Nurse Practitioner · Portland, ME
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy Geronimo, APRN is a Acute Care Nurse Practitioner provider in Portland, ME (NPI 1356234538).
Provider details
- NPI number
- 1356234538
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Male
- Sole proprietor
- Yes
- License
- RN65387 (ME)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 93 Campus AveLewiston, ME 04240-6030Phone: (207) 777-8100
Registry dates
- Enumerated
- 2025-05-29
- Last updated
- 2025-07-22
- Certified
- 2025-07-22
Frequently asked questions
- What is Roy Geronimo's NPI number?
- Roy Geronimo's National Provider Identifier (NPI) is 1356234538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Geronimo's specialty?
- Roy Geronimo is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Roy Geronimo located?
- Roy Geronimo's practice location on file with NPPES is 175 Fore River Pkwy, Portland, ME 04102-2779.
- What is Roy Geronimo's phone number?
- The practice phone number listed in the NPPES registry for Roy Geronimo is (207) 879-3000.
- Does Roy Geronimo accept Medicare?
- Roy Geronimo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roy Geronimo's NPI active?
- Yes — Roy Geronimo's NPI (1356234538) is active in the NPPES registry as of the last update on 2025-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.