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DR. JUDIT GELLEN M.D.
NPI 1407817406
Internal Medicine - Hematology & Oncology in South Portland, ME

Active since March 29, 2006PECOS Enrolled
85.21/100
CMS Quality Rating
265 WESTERN AVE, SOUTH PORTLAND, ME 04106(207) 459-1666 Get Directions Write a Review

NPPES record last updated: June 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 7, 2023, Feb 16, 2021 (2 updates tracked since 2021).

About Dr. Judit Gellen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JUDIT GELLEN M.D. (NPI 1407817406) is an individual hematology & oncology provider in South Portland, Maine, licensed in New York (160490) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407817406
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. JUDIT GELLENCredential: M.D.
Location Address265 WESTERN AVESouth Portland, ME 04106-2458
Mailing Address333 E 43rd St Apt 1021New York, NY 10017-4817 · (646) 228-9616
Phone(207) 459-1666
Sole ProprietorNo
Enumeration DateMarch 29, 2006
Last NPPES UpdateJune 7, 20232 updates tracked since enumeration
NPPES CertifiedJune 7, 2023
✔ NPI 1407817406 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in NY · 160490
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 160490 (NY)
265 WESTERN AVE, South Portland, ME 04106
Open in Google Maps ↗

Other Identifiers 1

Medicaid01839183NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Judit Gellen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Judit Gellen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Olean General Hospital
425 mi
General Practice
500 MAIN ST
Olean, NY 14760
  • Reassigned Medicare billing, New York and Pennsylvania enrollments
  • 163 clinicians in this Medicare group
NPI 1033499017 (716) 375-6993
Hrmc, LLC
2,419 mi
Internal Medicine
1799 KIOWA AVE STE 104
Lake Havasu City, AZ 86403
  • Reassigned Medicare billing, Arizona enrollment
  • 70 clinicians in this Medicare group
NPI 1932610482 (928) 505-1030

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$169.96 typical visit price
range $56.28 – $169.96
Typical copayment $42.49 (range $14.07 – $42.49)
Most-billed visit code 99205
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.21/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.39
Promoting Interoperability96
Improvement Activities40
Cost67.66

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEGAN BICKFORD NP
Nurse Practitioner (Acute Care)
265 WESTERN AVE
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-0200
NOELLE CHRISTINE PINTI AGACNP
Nurse Practitioner (Adult Health)
265 WESTERN AVE
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-0200
LAURA APGAR AG-ACNP
Nurse Practitioner (Adult Health)
265 WESTERN AVE
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-0200
AMANDA ROBINSON
Nurse Practitioner (Family)
265 WESTERN AVE
SOUTH PORTLAND, ME 04106
Cumberland County (207) 749-1706
MRS. JUDITH LYNN DICKSON AGACNP
Nurse Practitioner (Acute Care)
265 WESTERN AVE
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-0200
LAUREN KATHRYN ANZALONE MENARD NP
Nurse Practitioner (Acute Care)
265 WESTERN AVE
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-0200
SARAH L KETCHUM M.D.
Internal Medicine (Hematology & Oncology)
265 WESTERN AVE
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-0200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Judit Gellen's NPI number?

The NPI number for Judit Gellen is 1407817406. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Where is Judit Gellen located?

Judit Gellen practices at 265 Western Ave, South Portland, ME 04106. The listed phone number is (207) 459-1666.

What is Judit Gellen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Judit Gellen enrolled in Medicare?

Yes. Judit Gellen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Judit Gellen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Judit Gellen reassigns Medicare benefits to 2 organizations: Olean General Hospital (Olean, NY) and Hrmc, LLC (Lake Havasu City, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Judit Gellen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Judit Gellen was last updated on June 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.