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GENEVIEVE MAQUILAN M.D.
NPI 1003179243
Radiology - Radiation Oncology in New Haven, CT

Active since June 22, 2012PECOS EnrolledAccepts Medicare Assignment
35 PARK ST, NEW HAVEN, CT 06519(203) 200-2100 Get Directions Write a Review

NPPES record last updated: November 29, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Genevieve Maquilan M.d. NPPES

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

GENEVIEVE MAQUILAN M.D. (NPI 1003179243) is an individual radiation oncology provider in New Haven, Connecticut, licensed in Connecticut (75389) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2012).

NPPES Registry Identity

NPI1003179243
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameGENEVIEVE MAQUILANCredential: M.D.
Location Address35 PARK STNew Haven, CT 06519-1110
Mailing Address3 RundelaneBloomfield, CT 06002-1522 · (856) 912-4321
Phone(203) 200-2100
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 2012
Enumeration DateJune 22, 2012
Last NPPES UpdateNovember 29, 2023
NPPES CertifiedNovember 29, 2023
✔ NPI 1003179243 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses✔ Licensed in CT · 75389✔ Licensed in MA · 272246
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
35 PARK ST, New Haven, CT 06519
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Genevieve Maquilan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971892290
PECOS Enrollment IDI20231215002506
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

5

Medicare enrollment records show Genevieve Maquilan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yale University
0.5 mi
Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1124148887 (203) 737-5432
Connecticut Radiation Oncology, P.C.
35 mi
Radiation Oncology
94 WOODLAND ST
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Connecticut Radiation Oncology PC
  • 4 clinicians in this Medicare group
NPI 1720143563 (860) 714-4568
Mass General Brigham Medical Group Western Massachusetts Inc
72 mi
Family Medicine
30 LOCUST ST
Northampton, MA 01060
  • Reassigned Medicare billing, Massachusetts enrollment
  • 539 clinicians in this Medicare group
NPI 1295787919 (413) 582-2898
The General Hospital Corporation
121 mi
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000
Massachusetts General Physicians Organization Inc
121 mi
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287

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

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
126 services19 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
78 services16 patients
Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
61 services15 patients
Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
48 services13 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
20 services14 patients
Complex radiation therapy planning 77263
Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06519 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
$183.10 typical visit price
range $60.82 – $183.10
Typical copayment $45.77 (range $15.20 – $45.77)
Most-billed visit code 99205
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

HAILEY ZIE EVANS MD
Pediatrics (Neonatal-Perinatal Medicine)
35 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 688-4242
BARBARA CMUCHOWSKI
Pharmacist (Oncology)
35 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 200-4444
NESRINE KHOURY PA
Physician Assistant
35 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 200-4716
IAN ELLIOTT KROP MD PHD
Internal Medicine (Medical Oncology)
35 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 200-2328
RACHEL IUDICIANI PA-C
Physician Assistant
35 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (401) 954-9231
DANIELA GIDEA-ADDEO M.D.
Radiology (Radiation Oncology)
35 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 200-2000
DR. SARA ISABEL PAI MD, PHD
Otolaryngology
35 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (855) 476-4569
DR. JING DU
Internal Medicine (Medical Oncology)
35 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-4095

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 Genevieve Maquilan's NPI number?

The NPI number for Genevieve Maquilan is 1003179243. It was assigned to this individual provider in the NPPES registry on June 22, 2012.

Where is Genevieve Maquilan located?

Genevieve Maquilan practices at 35 Park St, New Haven, CT 06519. The listed phone number is (203) 200-2100.

What is Genevieve Maquilan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Genevieve Maquilan enrolled in Medicare?

Yes. Genevieve Maquilan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Genevieve Maquilan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Genevieve Maquilan reassigns Medicare benefits to 5 organizations: Yale University (New Haven, CT), Connecticut Radiation Oncology, P.C. (Hartford, CT), Mass General Brigham Medical Group Western Massachusetts Inc (Northampton, MA), The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). 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 Genevieve Maquilan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Genevieve Maquilan accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Genevieve Maquilan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Genevieve Maquilan was last updated on November 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.