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DR. DANIEL ETHAN BOXER MD
NPI 1043479090
Internal Medicine - Hematology & Oncology in Trumball, CT

Active since June 05, 2008PECOS EnrolledAccepts Medicare Assignment
94.24/100
CMS Quality Rating
5520 PARK AVENUE, GARDEN LEVEL, TRUMBALL, CT 06611(203) 502-8400(203) 845-4897 Get Directions Write a Review

NPPES record last updated: January 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jul 26, 2017 and 1 more (4 updates tracked since 2017).

About Dr. Daniel Ethan Boxer Md NPPES

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

DR. DANIEL ETHAN BOXER MD (NPI 1043479090) is an individual hematology & oncology provider in Trumball, Connecticut, licensed in Connecticut (56291) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1043479090
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. DANIEL ETHAN BOXERCredential: MD
Location Address5520 PARK AVENUE, GARDEN LEVELTrumball, CT 06611
Mailing Address333 Cedar Street, Yale Medical School, Www205New Haven, CT 06510 · (203) 845-4811 · Fax (203) 845-4897
Phone(203) 502-8400
Fax(203) 845-4897
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJune 5, 2008
Last NPPES UpdateJanuary 15, 20254 updates tracked since enumeration
✔ NPI 1043479090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CT · 56291
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.
5520 PARK AVENUE, Trumball, CT 06611
Open in Google Maps ↗

Secondary Practice Location 1

Location 1522 1st AveNew York, NY 10016-6402 · Phone (212) 263-9015

Other Identifiers 1

OtherP00773616DC · Railroad Medicare

Accepted Insurance

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

Dr. Daniel Ethan Boxer Md 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 ID3274689344
PECOS Enrollment IDI20250226002203
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 Reassignment

Medicare enrollment records show Daniel Boxer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yale University
17 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

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 7

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
1,119 services365 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
808 services293 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
82 services58 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
62 services62 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
33 services33 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
17 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06611 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
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

94.24/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.26
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 150 mg J8520
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers11 claims308 services$0.32 avg. paid by Medicare
Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers11 claims616 services$0.68 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
2 suppliers17 claims17 services$11.88 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

MS. KATE HALLISSEY CPNP
Nurse Practitioner (Pediatrics)
5520 PARK AVENUE, PEDIATRIC HEMATOLOGY AND ONCOLOGY
TRUMBULL, CT 06611
Greater Bridgeport Planning Region (203) 785-4640

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 Daniel Boxer's NPI number?

The NPI number for Daniel Boxer is 1043479090. It was assigned to this individual provider in the NPPES registry on June 5, 2008.

Where is Daniel Boxer located?

Daniel Boxer practices at 5520 Park Avenue Garden Level, Trumball, CT 06611. The listed phone number is (203) 502-8400.

What is Daniel Boxer's specialty?

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

Is Daniel Boxer enrolled in Medicare?

Yes. Daniel Boxer 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 organization bills Medicare for Daniel Boxer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Boxer reassigns Medicare benefits to Yale University (New Haven, CT). The 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 Daniel Boxer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daniel Boxer accept?

Health plans from Anthem Blue Cross and Blue Shield list Daniel Boxer 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 Daniel Boxer was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.