Judit Gellen, M.D.
Hematology & Oncology Physician · South Portland, ME
Judit Gellen, M.D. is a hematology & oncology physician with a practice address in South Portland, Maine, and NPI 1407817406, issued on Mar 29, 2006. Check the license on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Judit Gellen
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 160490 NY
Self-reported in NPPES; status is on the state search - Practice location
- 265 Western Ave, South Portland, ME 04106
- Phone
- (207) 459-1666
- Enumerated
- Mar 29, 2006
- Record last updated
- Jun 7, 2023
- Medicaid ID
- 01839183 NY
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 77 in Maine → Look up another NPI →
Also registered at 265 Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Apgar, AG-ACNPAdult Health Nurse Practitioner1366222804
- Megan Bickford, NPAcute Care Nurse Practitioner1023846839
- Noelle Cooper, AGNP-CNurse Practitioner1033633714
- Judith Dickson, AGACNPAcute Care Nurse Practitioner1528825882
- Sarah Ketchum, M.D.Hematology & Oncology Physician1689781536
- Lauren Menard, NPAcute Care Nurse Practitioner1568352458
Verify Judit Gellen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Judit Gellen among 77 hematology & oncology physician records in Maine
Judit Gellen, M.D. is one of 77 hematology & oncology physician records with a practice address in Maine. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 60% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 hematology & oncology physician records list a practice address in South Portland
They are 12 of the 1,143 NPPES records with a practice address in South Portland, and 77 hematology & oncology physician records in Maine.
All 77 in Maine → Every provider in South Portland → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Jason Adler, MDSouth Portland, ME 041061194252148
- Michael Auster, DOSouth Portland, ME 041061164929451
- Brian Cuzzo, MDSouth Portland, ME 041061548828080
- Pamela Egan, M.D.South Portland, ME 041061073874509
- Xiao Hu, MDSouth Portland, ME 041061346731957
- Sarah Ketchum, M.D.South Portland, ME 041061689781536
- Ann Kim, MDSouth Portland, ME 041061457970436
- Thomas Kuczmarski, MDSouth Portland, ME 041061952862815
Common questions
What is Judit Gellen, M.D.'s NPI number?
Judit Gellen, M.D.'s National Provider Identifier (NPI) is 1407817406, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Judit Gellen, M.D. located?
The NPPES record lists a practice address at 265 Western Ave, South Portland, ME, 04106. Phone: (207) 459-1666. Providers update this record themselves, so call before visiting.
How can I verify Judit Gellen, M.D.'s license?
Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Judit Gellen, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.