Dr. Judit Gellen, MD
- Medicare services, 2023
- 14
- Part D claims, 2022
- 35
- Industry payments
- $25,303
- Affiliated sites
- 2
- Medical groups
- 4
- Practice address
- 265 Western Ave Ste 2 Suite 2, South Portland, ME 04106
- Practice phone
- Call (207) 661-0200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Maine Medical Partners
Primary care practice · South Portland, Maine
Find Dr. Gellen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Judit Gellen is a hematologist and oncologist in Portland, Maine
Dr. Gellen practices at Maine Medical Partners in South Portland, Maine.
Dr. Gellen's NPI, 1407817406, was assigned on March 29, 2006. Dr. Gellen holds New York license 160490.
- NPI
- 1407817406NPI Registry (opens in a new tab)
- NPI enumeration date
- March 29, 2006
- NPI status
- Active
- Practice phone
- (207) 661-0200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Judit Gellen practices in South Portland and Portland
Dr. Gellen's primary practice is Maine Medical Partners, at 265 Western Ave Ste 2 Suite 2, South Portland, ME 04106. The practice phone is (207) 661-0200. The NPI Registry lists Dr. Gellen's practice address as 22 Bramhall St, Portland, ME 04102.
- Maine Medical PartnersPrimary265 Western Ave Ste 2 Suite 2, South Portland, ME 04106Phone(207) 661-0200
- NPI Registry address22 Bramhall St, Portland, ME 04102 · Cumberland CountyPhone(207) 459-1666
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Judit Gellen is affiliated with 2 sites of care and 4 medical groups
Dr. Gellen's primary practice is Maine Medical Partners in South Portland, Maine. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Gellen to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Judit Gellen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gellen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Maine Medical Partners | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Judit Gellen is one of 70 hematologists and oncologists in Maine
Hematology and oncology is Dr. Gellen's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Gellen is licensed in New York.
Specialties and state licenses
- Hematology and oncology, New YorkPrimary
Hematologists and oncologists near Dr. Gellen
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Judit Gellen billed Medicare for 14 services in 2023
CMS data shows 14 Medicare services from Dr. Gellen across 1 procedure code in 2023, all of them office visits. Medicare paid $862 for them. Every service was in an office.
Dr. Gellen's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 5862023: 1498%
- Drugs given in the office
- 2022: 1352023: 0100%
- Tests and treatments
- 2022: 242023: 0100%
Dr. Gellen compared with the Maine median for hematologists and oncologists, 2023
- Dr. Gellen
- Maine median
- Medicare services
- 14vs 38496% below
- Part D claims
- 35vs 29288% below
Medians across 72 hematologists and oncologists in Maine with Dmand AI profiles that report each measure.
Dr. Gellen's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gellen and other hematologists and oncologists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Judit Gellen's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Gellen's median patient age at 72, with 48% women.
Dr. Gellen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Judit Gellen wrote 35 Medicare Part D claims in 2022
In 2022, Dr. Gellen wrote 35 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $171,309 in total drug cost. In 2021, CMS named 18 claims across 1 drug.
Dr. Gellen's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 182022: 3594%
Drugs named by CMS: 2 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Judit Gellen received $25,303 in industry payments from 2016 to 2023
CMS Open Payments shows 616 general payments to Dr. Gellen from 45 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 37% of the total. Athenex Pharmaceutical Division, LLC paid the most, $3,850.
General payments to Dr. Gellen by program year, 2016 to 2023
General payments to Dr. Gellen by kind, 2016 to 2023
- Food and beverage$8,98837%
- Consulting fees$7,16330%
- Honoraria$3,85016%
- Device or supply loans$1,5156%
- Other$2,56311%
Companies that paid Dr. Gellen the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Judit Gellen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Judit Gellen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Judit Gellen's NPI number?
Dr. Judit Gellen's NPI number is 1407817406. It was assigned on March 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Judit Gellen?
Dr. Judit Gellen is a hematologist and oncologist in Portland, Maine. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Judit Gellen practice?
Dr. Gellen practices at 265 Western Ave Ste 2 Suite 2, South Portland, ME 04106. Dr. Gellen also practices at 22 Bramhall St, Portland, ME 04102. Dr. Gellen's primary practice is Maine Medical Partners in South Portland, Maine. Dmand AI also links Dr. Gellen to 3 medical groups and 1 group practice or clinic.
What is Dr. Judit Gellen's office phone number?
The practice phone on file for Dr. Gellen is (207) 661-0200.
What is Dr. Judit Gellen's medical license number?
Dr. Gellen holds New York license 160490.
What medical group is Dr. Judit Gellen part of?
Dr. Gellen is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Gellen to 3 more medical groups.
Does Dr. Judit Gellen accept Medicare?
Yes. CMS data shows Dr. Gellen billed Medicare for 14 services in 2023.
What services does Dr. Judit Gellen bill to Medicare?
In 2023, Dr. Gellen's most billed Medicare services were office visit, new patient (99203).
What drugs does Dr. Judit Gellen prescribe most?
In 2022 Medicare Part D data, Dr. Gellen's most prescribed drugs by claims were Anastrozole and Revlimid.
Has Dr. Judit Gellen received payments from drug or device companies?
CMS Open Payments shows $25,303 in general payments to Dr. Gellen from 45 companies from 2016 to 2023. The largest total came from Athenex Pharmaceutical Division, LLC.
How long has Dr. Judit Gellen been practicing?
Dr. Gellen graduated from medical school in 1979, 47 years ago.
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