Judit Gellen, M.D.
NPI 1407817406 · Hematology & Oncology Physician · South Portland, ME
Enrolled with Medicare as Practitioner - Hematology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Judit Gellen, M.D. is a Hematology & Oncology Physician provider in South Portland, ME (NPI 1407817406).
Provider details
- NPI number
- 1407817406
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 160490 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-03-29
- Last updated
- 2023-06-07
- Certified
- 2023-06-07
Frequently asked questions
- What is Judit Gellen's NPI number?
- Judit Gellen's National Provider Identifier (NPI) is 1407817406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judit Gellen's specialty?
- Judit Gellen is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Judit Gellen located?
- Judit Gellen's practice location on file with NPPES is 265 Western Ave, South Portland, ME 04106-2458.
- What is Judit Gellen's phone number?
- The practice phone number listed in the NPPES registry for Judit Gellen is (207) 459-1666.
- Does Judit Gellen accept Medicare?
- Judit Gellen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Judit Gellen's NPI active?
- Yes — Judit Gellen's NPI (1407817406) is active in the NPPES registry as of the last update on 2023-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.